Hugging Face's logo

inclusionAI
/
ZwZ-4B

Image-Text-to-Text
Transformers
Safetensors
English
qwen3_vl
conversational
Model card Files
xet
Community
1
ZwZ-4B
File size: 34,028 Bytes
e39f783
5bb256f
 
e39f783
 
 
 
 
5bb256f
 
 
e39f783
5bb256f
98a57b7
 
 
 
0f0ac2e
98a57b7
 
 
 
 
 
 
3a60dd9
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
98a57b7
90899df
98a57b7
 
7acd034
 
 
 
 
98a57b7
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
0f0ac2e
5e22c5c
98a57b7
 
 
 
 
7acd034
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
 
---
base_model:
- Qwen/Qwen3-VL-4B-Instruct
datasets:
- inclusionAI/ZoomBench
- inclusionAI/ZwZ-RL-VQA
language:
- en
license: apache-2.0
library_name: transformers
pipeline_tag: image-text-to-text
---

# ZwZ-4B

<div align="center">

📃 [Paper](https://arxiv.org/pdf/2602.11858) | 🏠 [Project](https://github.com/inclusionAI/Zooming-without-Zooming) | 🤗 [Collection](https://huggingface.co/collections/inclusionAI/zooming-without-zooming)

</div>

## Model Summary

**ZwZ-4B** is a fine-grained multimodal perception model built upon [Qwen3-VL-4B](https://huggingface.co/Qwen/Qwen3-VL-4B). It is trained using **Region-to-Image Distillation (R2I)** combined with reinforcement learning, enabling superior fine-grained visual understanding in a single forward pass — no inference-time zooming or tool calling required. ZwZ-4B achieves state-of-the-art performance on fine-grained perception benchmarks among open-source models of comparable size.

<div style="font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;max-width:780px;margin:0 auto;padding:12px 0">

<p style="font-size:11px;color:#555;margin-bottom:10px">
<table style="width:100%;border-collapse:collapse;font-size:10px">
<thead>
<tr>
<th style="padding:6px 4px;text-align:left;font-weight:600;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:10px" rowspan="2">Models</th>
<th style="padding:6px 4px;text-align:center;font-weight:600;border-bottom:1px solid #7c3aed;color:#7c3aed;font-size:10px" colspan="8">General Perception</th>
<th style="padding:6px 4px;text-align:center;font-weight:600;border-bottom:1px solid #7c3aed;color:#7c3aed;font-size:10px" colspan="2">Specific Perception</th>
<th style="padding:6px 4px;text-align:center;font-weight:600;border-bottom:1px solid #7c3aed;color:#7c3aed;font-size:10px" colspan="2">OOD Generalization</th>
<th style="padding:6px 4px;text-align:center;font-weight:600;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:10px" rowspan="2">Avg</th>
</tr>
<tr>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">ZoomBench</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">HR-4K</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">HR-8K</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">VStar</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">CV-B.</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">MME-RW-en</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">MME-RW-cn</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px;background:rgba(0,180,0,0.1)">GP-Avg</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">CountQA</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">ColorB.</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">MMStar</th>
<th style="padding:5px 4px;text-align:center;font-weight:500;border-bottom:2px solid #7c3aed;color:#7c3aed;font-size:9px">BabyVision</th>
</tr>
</thead>
<tbody>

<!-- Closed-Source Models -->
<tr><td colspan="14" style="padding:5px 8px;font-weight:600;font-size:9px;color:#7c3aed;border-bottom:1px solid rgba(124,58,237,0.2);background:rgba(124,58,237,0.1);font-style:italic">Closed-Source Models</td></tr>

<tr style="background:rgba(255,240,150,0.15)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">GPT-5.1</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">47.22</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">67.00</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">65.25</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">70.16</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">84.22</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">64.04</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">55.57</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">64.78</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">31.41</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">83.43</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">71.60</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">13.92</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">59.44</td>
</tr>

<tr style="background:rgba(255,240,150,0.15)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Gemini-3-Flash</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">59.29</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">87.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">85.00</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">86.39</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">89.57</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">74.86</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">72.62</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">79.37</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">66.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">85.47</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">83.60</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">34.51</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">75.10</td>
</tr>

<!-- Open-Source Models -->
<tr><td colspan="14" style="padding:5px 8px;font-weight:600;font-size:9px;color:#7c3aed;border-bottom:1px solid rgba(124,58,237,0.2);background:rgba(124,58,237,0.1);font-style:italic">Open-Source Models</td></tr>

<tr style="background:rgba(180,180,180,0.08)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Qwen3-VL-2B</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">41.30</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">71.75</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">70.12</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">72.77</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">78.94</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">59.52</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">60.77</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">65.02</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">22.19</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">76.86</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">60.4</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">12.11</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">56.98</td>
</tr>

<tr style="background:rgba(180,180,180,0.08)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Qwen3-VL-4B</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">40.24</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">78.25</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">72.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">80.10</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">84.95</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">63.47</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">63.63</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">69.07</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">28.14</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">81.63</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">69.73</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">13.66</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">61.52</td>
</tr>

<tr style="background:rgba(180,180,180,0.08)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Qwen2.5-VL-7B</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">42.49</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">71.62</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">67.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">78.53</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">75.34</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">60.80</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">58.30</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">64.99</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">18.91</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">76.36</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">61.93</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">12.89</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">56.82</td>
</tr>

<tr style="background:rgba(180,180,180,0.08)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Qwen3-VL-8B</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">37.87</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">78.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">74.63</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">86.39</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">85.44</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">65.96</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">66.67</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">70.83</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">28.99</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">82.77</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">70.93</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">12.89</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">62.86</td>
</tr>

<tr>
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">MiMo-VL-7B-RL</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">45.09</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">74.38</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">72.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">81.15</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">84.31</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">63.40</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">59.78</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">68.71</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">28.27</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">82.80</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">73.53</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">16.24</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">61.98</td>
</tr>

<tr>
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">MiniCPM-V-4.5 (9B)</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">42.60</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">69.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">63.62</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">70.16</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">80.25</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">58.16</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">56.23</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">62.99</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">23.43</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">79.75</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">67.87</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">14.95</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">56.99</td>
</tr>

<tr>
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">GLM-4.5V (108B)</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">49.23</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">81.63</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">74.88</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">83.25</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">87.59</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">66.04</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">60.71</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">71.90</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">35.93</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">84.59</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">75.87</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">15.72</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">65.04</td>
</tr>

<tr>
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Qwen3-VL-235B-A22B</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">49.11</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>84.50</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>81.62</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">87.96</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">86.72</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">67.07</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">65.29</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">74.61</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>40.58</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>85.62</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>76.33</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>18.30</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">67.55</td>
</tr>

<tr>
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">Kimi-K2.5 (1T)</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>56.33</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">81.87</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">75.38</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">85.86</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>89.18</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>71.51</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>68.40</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">75.50</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>52.81</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>86.61</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>81.80</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>33.25</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>71.18</strong></td>
</tr>

<!-- Our Models -->
<tr><td colspan="14" style="padding:5px 8px;font-weight:600;font-size:9px;color:#7c3aed;border-bottom:1px solid rgba(124,58,237,0.2);background:rgba(124,58,237,0.1);font-style:italic">Our Models</td></tr>

<tr style="background:rgba(100,130,255,0.06)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>ZwZ-2B (Ours)</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">53.49</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">77.00</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">75.38</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">82.72</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">83.36</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">65.61</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">65.39</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">71.85</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">21.60</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">79.37</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">63.40</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">17.78</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">62.28</td>
</tr>

<tr style="background:rgba(100,130,255,0.06)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>ZwZ-4B (Ours)</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">55.74</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">81.75</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">79.50</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>92.67</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><u>87.90</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">68.52</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">68.09</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)"><u>76.31</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">30.82</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">83.08</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">71.13</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">16.24</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">66.86</td>
</tr>

<tr style="background:rgba(100,130,255,0.06)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px"><strong>ZwZ-7B (Ours)</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">55.62</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">75.38</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">73.25</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">88.48</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">79.83</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">66.21</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">66.96</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px;background:rgba(0,180,0,0.08)">72.25</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">20.72</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">80.82</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">63.40</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">15.98</td>
<td style="padding:4px 4px;text-align:center;border-bottom:1px solid rgba(128,128,128,0.15);font-size:10px">62.42</td>
</tr>

<tr style="background:rgba(100,130,255,0.06)">
<td style="padding:4px 4px;padding-left:14px;border-bottom:2px solid #7c3aed;font-size:10px"><strong>ZwZ-8B (Ours)</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><strong>58.11</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><u>84.38</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><strong>82.00</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><u>91.10</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px">87.40</td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><u>69.87</u></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><strong>70.59</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px;background:rgba(0,180,0,0.08)"><strong>77.64</strong></td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px">32.40</td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px">83.59</td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px">73.13</td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px">16.75</td>
<td style="padding:4px 4px;text-align:center;border-bottom:2px solid #7c3aed;font-size:10px"><u>68.12</u></td>
</tr>

</tbody>
</table>
</div>


<div align=center>
<img src="gp_avg_comparison.png" width="90%" alt="avg_comparison"/>
</div>

## Key Features

- **⚡ Single-Pass Efficiency**: Achieves fine-grained perception in one forward pass, eliminating inference-time tool-calling overhead
- **🎯 Superior Accuracy**: State-of-the-art on perception benchmarks among open-source models
- **📈 Broad Improvements**: Enhances not only perception benchmarks but also out-of-distribution generalization on visual reasoning, GUI agent, and AIGC detection

## How It Works

Traditional "Thinking-with-Images" methods zoom into regions of interest during inference, incurring high latency from repeated tool calls and visual re-encoding. **ZwZ** transforms zooming from an inference-time tool into a training-time primitive:

1. **Zoom in** to micro-cropped regions and let strong teacher models (Qwen3-VL-235B, GLM-4.5V) generate high-quality VQA data
2. **Distill** this region-grounded supervision back to the full image with explicit bounding-box overlays
3. **Reinforce** via RL training to enable single-glance fine-grained perception without tool use

## Quickstart

### Installation

```bash
pip install transformers accelerate torch
```

### Inference

```python
from transformers import Qwen3VLForConditionalGeneration, AutoProcessor

# default: Load the model on the available device(s)
model = Qwen3VLForConditionalGeneration.from_pretrained(
    "inclusionAI/ZwZ-4B", dtype="auto", device_map="auto"
)

processor = AutoProcessor.from_pretrained("inclusionAI/ZwZ-4B")

messages = [
    {
        "role": "user",
        "content": [
            {
                "type": "image",
                "image": "https://qianwen-res.oss-cn-beijing.aliyuncs.com/Qwen-VL/assets/demo.jpeg",
            },
            {"type": "text", "text": "Describe this image."},
        ],
    }
]

# Preparation for inference
inputs = processor.apply_chat_template(
    messages,
    tokenize=True,
    add_generation_prompt=True,
    return_dict=True,
    return_tensors="pt"
)
inputs = inputs.to(model.device)

# Inference: Generation of the output
generated_ids = model.generate(**inputs, max_new_tokens=128)
generated_ids_trimmed = [
    out_ids[len(in_ids) :] for in_ids, out_ids in zip(inputs.input_ids, generated_ids)
]
output_text = processor.batch_decode(
    generated_ids_trimmed, skip_special_tokens=True, clean_up_tokenization_spaces=False
)
print(output_text)
```


## Training Data

ZwZ-4B is trained on [inclusionAI/ZwZ-RL-VQA](https://huggingface.co/datasets/inclusionAI/ZwZ-RL-VQA), a 74K-sample Region-to-Image distilled VQA dataset synthesized from diverse image pools (SA-1B, LAION, MetaCLIP, Visual Genome, CC12M, STPLS3D).


## Citation

```bibtex
@article{wei2026zooming,
  title={Zooming without Zooming: Region-to-Image Distillation for Fine-Grained Multimodal Perception},
  author={Wei, Lai and He, Liangbo and Lan, Jun and Dong, Lingzhong and Cai, Yutong and Li, Siyuan and Zhu, Huijia and Wang, Weiqiang and Kong, Linghe and Wang, Yue and Zhang, Zhuosheng and Huang, Weiran},
  journal={arXiv preprint arXiv:2602.11858},
  year={2026}
}
```

## License

This model follows the license of [Qwen3-VL-4B](https://huggingface.co/Qwen/Qwen3-VL-4B). Please refer to the base model's license for usage terms.