Follow the rename, and say which 8 GB the name means
Browse files
README.md
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@@ -18,9 +18,13 @@ tags:
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base_model: Lightricks/LTX-2.5
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---
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[](https://buymeacoffee.com/choijjs83q)
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# LTX-2.5 Text Encoder β 4-bit
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> **EN** β I'm a student researching ML quantization. Getting this one done
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> burned through so much in server bills that from here on I'll only be able to
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prompt. Rows 1, 3, 4 and 5 hold together; row 2, the dune, is where the
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compression is visible.
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### Watch the two that matter
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**Forge β the pair holding together.** Deterministic sampler, same seed. Left is
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BF16, right is 4-bit.
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<video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit/resolve/main/samples/compare-det-02.mp4"></video>
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**Dune β the pair that does not.** Same terrain, same sun, same shadow, same
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walk, and a different person.
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<video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit/resolve/main/samples/compare-det-01.mp4"></video>
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Individually, the forge under the vendor's own sampler:
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| BF16 original | 4-bit |
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|---|---|
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| <video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit/resolve/main/samples/bf16-02.mp4"></video> | <video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit/resolve/main/samples/4bit-02.mp4"></video> |
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`samples/README.md` carries the prompts, the per-clip conditioning drift, and
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what these clips do and do not establish. All thirty clips are in `samples/`,
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compilation.
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```bash
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pip install -r <(curl -sL https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit/resolve/main/requirements.txt)
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```
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```python
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from huggingface_hub import hf_hub_download, snapshot_download
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repo = "topabaem/LTX-2.5-Text-Encoder-4bit"
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# The loader ships with the weights; put it on the path before importing it.
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import sys, os
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## Try it
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**[Space: LTX-2.5 Text Encoder 4bit](https://huggingface.co/spaces/topabaem/LTX-2.5-Text-Encoder-4bit-Demo)**
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β text-, image- and video-to-video, running this encoder on ZeroGPU. Measured
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there at 512x320, 25 frames: t2v 53.0 s, i2v 46.9 s, v2v 37.6 s.
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base_model: Lightricks/LTX-2.5
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---
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+
[](https://buymeacoffee.com/choijjs83q)
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# LTX-2.5 Text Encoder β 4-bit, 8 GB
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> **The 8 GB in the name is the file**, not the card. On disk this is 8.46 GB
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> against the original's 26.264 GB. Running it needs about **9.7 GB of VRAM** β
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> an 8 GB card is not enough. See [Memory](#memory--what-the-card-actually-needs).
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> **EN** β I'm a student researching ML quantization. Getting this one done
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> burned through so much in server bills that from here on I'll only be able to
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prompt. Rows 1, 3, 4 and 5 hold together; row 2, the dune, is where the
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compression is visible.
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+

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### Watch the two that matter
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**Forge β the pair holding together.** Deterministic sampler, same seed. Left is
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BF16, right is 4-bit.
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+
<video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit-8GB/resolve/main/samples/compare-det-02.mp4"></video>
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**Dune β the pair that does not.** Same terrain, same sun, same shadow, same
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walk, and a different person.
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<video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit-8GB/resolve/main/samples/compare-det-01.mp4"></video>
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Individually, the forge under the vendor's own sampler:
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| BF16 original | 4-bit |
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|---|---|
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+
| <video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit-8GB/resolve/main/samples/bf16-02.mp4"></video> | <video controls width="100%" src="https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit-8GB/resolve/main/samples/4bit-02.mp4"></video> |
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`samples/README.md` carries the prompts, the per-clip conditioning drift, and
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what these clips do and do not establish. All thirty clips are in `samples/`,
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compilation.
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```bash
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pip install -r <(curl -sL https://huggingface.co/topabaem/LTX-2.5-Text-Encoder-4bit-8GB/resolve/main/requirements.txt)
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```
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```python
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from huggingface_hub import hf_hub_download, snapshot_download
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repo = "topabaem/LTX-2.5-Text-Encoder-4bit-8GB"
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# The loader ships with the weights; put it on the path before importing it.
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import sys, os
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## Try it
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**[Space: LTX-2.5 Text Encoder 4bit](https://huggingface.co/spaces/topabaem/LTX-2.5-Text-Encoder-4bit-8GB-Demo)**
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β text-, image- and video-to-video, running this encoder on ZeroGPU. Measured
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there at 512x320, 25 frames: t2v 53.0 s, i2v 46.9 s, v2v 37.6 s.
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