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---
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base_model: tokyotech-llm/Llama-3.1-Swallow-8B-Instruct-v0.3
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license:
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- llama3.1
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- gemma
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language:
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- ja
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- en
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pipeline_tag: text-generation
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tags:
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- counseling
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- dialogue-system
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- score-prediction
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datasets:
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- UEC-InabaLab/KokoroChat
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---
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# ๐ง Llama-3.1-KokoroChat-ScorePrediction: Japanese Counseling Dialogue Scoring Model
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**Llama-3.1-KokoroChat-ScorePrediction** is a large-scale Japanese language model fine-tuned on the **KokoroChat dataset**โa collection of over 6,000 psychological counseling dialogues conducted via **role-play between trained counselors**.
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Unlike response-generation models, this version is trained to **predict client feedback scores** based on the full counseling dialogue history.
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---
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## ๐ก Overview
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- โ
Fine-tuned on **2,601 dialogues** with client feedback scores between **70 and 98**
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- โ
Data collected through **text-based role-play** by trained counselors
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- โ
Covers a wide range of topics: depression, family, school, career, relationships, and more
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- โ
Base Model: [`tokyotech-llm/Llama-3.1-Swallow-8B-Instruct-v0.3`](https://huggingface.co/tokyotech-llm/Llama-3.1-Swallow-8B-Instruct-v0.3)
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---
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## โ๏ธ Usage Example
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```python
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from transformers import AutoModelForCausalLM, AutoTokenizer
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model_id = "UEC-InabaLab/Llama-3.1-KokoroChat-ScorePrediction"
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# Load tokenizer and model
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tokenizer = AutoTokenizer.from_pretrained(model_id)
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model = AutoModelForCausalLM.from_pretrained(model_id, device_map="auto")
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# Set pad_token_id
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if tokenizer.pad_token_id is None:
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tokenizer.pad_token = "[PAD]"
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tokenizer.pad_token_id = tokenizer.convert_tokens_to_ids("[PAD]")
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model.config.pad_token_id = tokenizer.pad_token_id
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# Build dialogue input
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messages = [
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{"role": "system", "content": "ๅฟ็ใซใฆใณใปใชใณใฐใฎไผ่ฉฑใซใคใใฆใ็นๆฐใใคใใฆใใ ใใใ"},
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{"role": "user", "content": "ใซใฆใณใปใฉใผ: ๏ผใใใซใกใฏใใใใใใ้กใใใใใพใใๆ้ใซใชใใพใใใใฏใใใใใฆใใใ ใใพใใ๏ผใ\nใฏใฉใคใขใณใ: ๏ผใใใซใกใฏใใใใใใ้กใใใใใพใใ๏ผใ\nใซใฆใณใปใฉใผ: ใใใซใกใฏใ็ธ่ซๅกใงใใไปๆฅใฏใ็ธ่ซใซๆฅใฆใใ ใใฃใฆใใใใใจใใใใใพใใใฏใใใซใๅนด้ฝขใจๆงๅฅใ็ธ่ซๅ
ๅฎนใๆใใฆใใ ใใใ\nใฏใฉใคใขใณใ: 40ไปฃ.ๅฅณๆงใไปไบใ่พใใใใใใใใใใใจใใใใใชใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใใใฏใๅฐใใงใใญใไปไบใ่พใใใใฆใๆฌกใซไฝใใใใใๆขใใใฆใใใใจใใใใจใงใใใใใ\nใฏใฉใคใขใณใ: ใฏใใใใใงใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใไปใฎใไปไบใ่พใใใใจๆใใใใใฃใใใฏใชใใงใใใใใ\nใฏใฉใคใขใณใ: ่ทๅ ดใฎใใฏใใฉใๅซใง่พใใใใงใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใใใฏๅซใชๆฐๆใกใซใชใใพใใญ่พใใใใชใใฎใ่ช็ถใชใใจใ ใจๆใใพใใฉใใชใใจใใใฃใใฎใใใ่ฉฑใใงใใ็ฏๅฒใงๆใใฆใใใ ใใพใใใ\nใฏใฉใคใขใณใ: ไธๅธใซไฟก้ ผใใฆใชใใจ่จใใใใใใใใซๅๆใใใๅ
่ผฉใใใคใใ็งใฎไปไบใฎ้ใซๅ
ฅใฃใฆใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใใใฏๅทใคใใพใใญไธๅธใๅๅใฎๆนใฏใๅใๆนใงใใใใใ\nใฏใฉใคใขใณใ: ใใใ้ใใพใใไธๅธใฏไธไบบใงใๅใไพกๅค่ฆณใใใฃใๅ
่ผฉใฎๅๅใ๏ผไบบใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใ่ชใใฆใใใใชใใฎใฏๆฌๅฝใซใใคใใใใจใ ใจๆใใพใไปใฎ็ถๆ
ใฏใฉใฎใใใ็ถใใฆใใใฎใงใใใใใ\nใฏใฉใคใขใณใ: ๅ
ฅ็คพใใ10ๅนดใใใใฏ็ตใกใพใใญใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใจใฆใ้ทใๆ้่ทๅ ดใซ่ฒข็ฎใใใใฎใ ใจๆใใพใใใฎ้ใใใฏใใฉใฏใใฃใจ็ถใใฆใใใฎใงใใใใใ\nใฏใฉใคใขใณใ: ไปๆใใจใใใใงใใญใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใจใฆใ้้
ทใช็ฐๅขใ ใจๆใใพใใใฎ็ฐๅขใฎไธญใงใใ่ช่บซใฎๅฝนๅฒใๆใใใใจใใใฆใใใฎใฏใใจใฆใ็ซๆดพใงใไปไบใฎ้ใซๅ
ฅใใใใจใไธไบบๅใฎๆฑใใงใฏใชใใใใง่
นใ็ซใคใจๆใใพใใใใใใใงใใใใใ\nใฏใฉใคใขใณใ: ๆๅใฏ็งใๆ
ฃใใชใใฆใในใฐใใใ ใฃใใฎใงไปๆนใชใใชใจๆใฃใฆใใพใใใใใใๆใใใฆใใใใจใซ้ๅๆใๆใใใใใซใชใใใใใชใใใใใซๅฑ
ใฆใไปๆนใชใใชใจๆใใ่ซฆใใใใใซใชใใ่ปข่ทใๆใใใใใซใชใใพใใใ่จๆญฃ่ปข่ทใ่ใใใใใซใชใใพใใใใงใใใ\nใซใฆใณใปใฉใผ: ่จๆญฃใใใใจใใใใใพใใใใชใใงใใญใใไปไบใซๅฏพใใใ็ๆฏใงไธๅฏงใชๆงๅญใไผใใฃใฆใใพใ้ใซๅ
ฅใใใใใจใใฃใใใฃใฆใใพใใใใๅ
ทไฝ็ใซใฏใฉใใชใใจใงใใใใใ\nใฏใฉใคใขใณใ: ๏ฟฝ๏ฟฝ๏ฟฝ่
ใซใ้ใๆฏๆใๆใซๅไปใฎ็งใซใ้ใ้ ใใฆใใใใใใใฎใซใใพใใๅ
่ผฉใซใ้ใ้ ใใฆใ็ขบ่ชใใใฆใใใ็งใซๅฑใใใใใใคใฌๆ้คใใฆใใฎใซใ็ฎใฎๅใงใใพใใใใคใฌๆ้คใใใใพใใ่ใใใๆใงใๆชๅฃใ้ฐๅฃใ่จใใใใใใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใใใๆๅฐๆชใซๆใใพใโฆ่ใใใใจใใใงๆชๅฃใ้ฐๅฃใๅซใชๆฐๆใกใซใชใใพใใญใใใใชๆใฏใฉใใใฆใใใฎใงใใใใใ\nใฏใฉใคใขใณใ: ใฏใใๆชๅฃใ้ฐๅฃใฏ่ชๅใฎใใจใใใชใใฆใใ่ชๅใฎใใจ่จใใใฆใใใใใซๅใฏๆใฃใฆใใพใฃใใใๅฃฐใใใใฎใๅซใงใใใ\nใซใฆใณใปใฉใผ: ใใใๆฌๅฝใซๅซใชๆฐๆใกใซใชใใพใใญใใใใฃใใใจใใ็คพๅ
ใซ็ธ่ซใๅ ฑๅใงใใๆนใฏใใใฃใใใใพใใใ\nใฏใฉใคใขใณใ: ๆ่ฟใฏใใพใๅงใพใฃใใจๆใใใใใซใชใใใใใใชใใใใซใใใใจ็ฎใฎๅใฎๆฃ่
ใใใจๅคงใใชๅฃฐใง่ฉฑใใใใซใใใจๆฅฝใซใชใใพใใใไธๅธใ1ไบบใใใใชใใฎใงใๅใๅบใๅ ดๆใฏใชใใงใใๅฐใใชใฏใชใใใฏใชใฎใงใ้ฃใใใงใใ\nใซใฆใณใปใฉใผ: ใกใใปใผใธใ้ใชใฃใฆใใพใฃใฆใใฟใพใใใใ่ช่บซใงๅฏพ็ญใใจใฃใฆใใฃใใใใฎใงใใญ่ใใใชใใจใใใใจใงๆฅฝใซใชใใใฎใฏใ็ด ๆตใช็บ่ฆใ ใจๆใใพใใ\nใฏใฉใคใขใณใ: ใฟใใช็ฅใฃใฆใใฆใใๆ้ปใฎไบ่งฃใงใในใซใผใงใใญใใใใใจใใใใใพใใ\nใซใฆใณใปใฉใผ: ใชใใปใฉใๅฐใใชใฏใชใใใฏใ ใจใใใฃใใใ้ใ้ฃใใใงใใญ่พใใใใๆฐๆใกใใจใฆใไผใใฃใฆใใพใใ่พใใๅพไฝใใใใใใใใใใชใใใจใใใใจใงใใใๆฌกใฎไปไบใ่ฆใคใใฆใใ่พใใใใจใ่ใใงใใใใใ\nใฏใฉใคใขใณใ: ่พใใใพใงใซๅผใ็ถใใๅๅนดใปใฉๅฟ
่ฆใชใฎใงใใใใใใใใใจๆใใใใๅใใ ใใใใจๆใฃใฆใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใๅๅนดใจใใใฎใฏ้ทใๆใใฆใใพใใพใใใใใฎ็นใฏใฉใฎใใใซใ่ใใงใใใ\nใฏใฉใคใขใณใ: ็งใๅคใใฃใฆใใชใจๆใใพใใใใ็งใฏๅไป1ไบบใงใใฃใฆใใใฎใงใๆ
ฃใใใพใงใซๆ้ใใใใใฎใงใใใใไปๆนใชใใจ่ซฆใใฆใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใ็็ฑใใใฃใฆๅใๅ
ฅใใฆใใฎใงใใญใใใพใงใ่ฉฑใ่ใใฆใใฆใ้้
ทใช่ทๅ ด็ฐๅขใงใ็ๆฏใซไธๅฏงใซใไปไบใใใใฆใใฆใ่ฒฌไปปๆใฎๅผทใๆนใชใฎใ ใชใจๆใใฆใใพใ่ฒใ
ใ่ฉฑใใใ ใใฃใไธญใงใไปๆฅไธ็ชใ่ฉฑใซใชใใใใใจใฏใชใใงใใใใใ\nใฏใฉใคใขใณใ: ๆฌกใซใใใใใใจใใฟใคใใใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใๆฌกใฎ่ทๅ ดใซ็งปใใใใซใใไปๆฅใฏไธ็ทใซ่ใใใใฆใใ ใใใญใ\nใฏใฉใคใขใณใ: ใ้กใใใใใพใใ\nใซใฆใณใปใฉใผ: ใใกใใใใใใใใใ้กใใใใใพใใใใใใใจใใจใฏใฉใใชใใจใงใใใใๅฅฝใใชใใจใใ็ตฆไธๅพ
้ใใใใใจใชใฉใๅธๆใฏใใใใงใใใ\nใฏใฉใคใขใณใ: ใใซใฟใคใ ใงใชใใฆใๅฎๅฎใใฆใใฆใใใใใใใใฆใใใใใชใจๆใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใๅฎๅฎใจใใใฎใฏๅบๅฎ็ตฆใงใใจใใๆๅณๅใใงใใใใใ\nใฏใฉใคใขใณใ: ใใใงใใญใไปใซไฝใใใใพใใ๏ผ\nใซใฆใณใปใฉใผ: ๆๆใใใฉในๆญฉๅๅถใฎใใใช็ตฆไธๅฝขๆ
ใใใใใใ็ขบ่ชใใใฆใใใ ใใพใใๅบๅฎ็ตฆใฏๆๅใใใฏใฃใใใใใใฎใงๅฎๅฟใงใใพใใญใ\nใฏใฉใคใขใณใ: ใใใงใใญใ\nใซใฆใณใปใฉใผ: ใใไธ็นใใใใใใฏใฉใใชใใจใซๆใใใใฆใใใพใใงใใใใใ\nใฏใฉใคใขใณใ: ๆ่ฌใใใๆใจใใงใใใญใ่ชๅใๆฅฝใใใจๆใใใใ\nใซใฆใณใปใฉใผ: ๅคงไบใชใใจใงใใญๆ่ฌใใใใใๆฅฝใใใจๆใใใใไปไบใซใคใใใจใใขใใใผใทใงใณใใใใใใใงใใญใ\nใฏใฉใคใขใณใ: ใใใงใใญใใขใใใผใทใงใณ้ซใใ็ใ็ใใจๅใใใใงใใ\nใซใฆใณใปใฉใผ: ใใใงใใญใ็ด ๆตใชๅใๆนใ ใจๆใใพใใไปไบใงๆฅฝใใใจๆใใใฎใฏใฉใใชๆใงใใใใใ\nใฏใฉใคใขใณใ: ๆฃ่
ใใใ่ฉฑใใฆไธใใ่ฉฑใใใใฆใๆใๆฅฝใใใจๆใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใใใฎใใใซใๆใใซใชใใฎใงใใญไปใพใงใฎใ่ฉฑใใใใใฃใฆใใใจใใ่ช่บซใฎไธญใงใใใฎใใใซๅใใใใใจใใๅธๆใฏใใใชใใฏใฃใใใใฆใใใใใซๆใใพใใใใใใใใงใใใใใ\nใฏใฉใคใขใณใ: ๅฝขใซใใใฎใใ้ฃใใๆใใพใใ\nใซใฆใณใปใฉใผ: ใใใชใใงใใญใๅฝขใซใใใฎใ้ฃใใใจใๆใใชใใงใใญใใใใใใฐใไปไธใใฆใใใ ใใใๅธๆใใใฃใฆใ๏ฟฝ๏ฟฝใญใผใฏใผใฏใซ่กใฃใใใใใใใงๆขใใฆใฟใใฎใฏใใใใงใใใใใ\nใฏใฉใคใขใณใ: ใฏใใใใใใฆใฟใพใใใใใใจใใใใใพใใใ\nใซใฆใณใปใฉใผ: ใฏใใใใฒใใฃใฆใฟใฆใใ ใใๅ
ใปใฉใใฃใใใฃใฆใใใใขใใใผใทใงใณ้ซใใ้ซใใ็ใ็ใๅใใใใชๅ ดๆใ่ฆใคใใใใจใใๅฟๆดใใฆใใใพใใ"}
|
| 56 |
+
]
|
| 57 |
+
|
| 58 |
+
# Tokenize with chat template
|
| 59 |
+
inputs = tokenizer.apply_chat_template(
|
| 60 |
+
messages,
|
| 61 |
+
add_generation_prompt=True,
|
| 62 |
+
return_tensors="pt"
|
| 63 |
+
).to(model.device)
|
| 64 |
+
|
| 65 |
+
attention_mask = inputs.ne(tokenizer.pad_token_id)
|
| 66 |
+
|
| 67 |
+
# Generate score prediction
|
| 68 |
+
outputs = model.generate(
|
| 69 |
+
inputs,
|
| 70 |
+
attention_mask=attention_mask,
|
| 71 |
+
pad_token_id=tokenizer.pad_token_id,
|
| 72 |
+
max_new_tokens=256
|
| 73 |
+
)
|
| 74 |
+
|
| 75 |
+
# Extract only the newly generated tokens
|
| 76 |
+
response = outputs[0][inputs.shape[-1]:]
|
| 77 |
+
predicted_score = tokenizer.decode(response, skip_special_tokens=True)
|
| 78 |
+
|
| 79 |
+
# Print clean score prediction
|
| 80 |
+
print(predicted_score)
|
| 81 |
+
```
|
| 82 |
+
|
| 83 |
+
---
|
| 84 |
+
|
| 85 |
+
## ๐ ๏ธ Fine-Tuning Details
|
| 86 |
+
|
| 87 |
+
Fine-tuning was performed using **QLoRA** with the following configuration:
|
| 88 |
+
|
| 89 |
+
- **Quantization**: 4-bit NF4 with bfloat16 computation
|
| 90 |
+
- **LoRA target modules**: `q_proj`, `k_proj`, `v_proj`, `o_proj`, `gate_proj`, `up_proj`, `down_proj`
|
| 91 |
+
- **LoRA parameters**:
|
| 92 |
+
- `r = 8`
|
| 93 |
+
- `lora_alpha = 16`
|
| 94 |
+
- `lora_dropout = 0.05`
|
| 95 |
+
|
| 96 |
+
### Dataset Split
|
| 97 |
+
|
| 98 |
+
- **Training Data**: 2,601 dialogues with feedback scores between 70 and 98
|
| 99 |
+
- **Train/Validation Split**: 90% train, 10% validation
|
| 100 |
+
|
| 101 |
+
### Hyperparameter Settings
|
| 102 |
+
|
| 103 |
+
- **Optimizer**: `adamw_8bit`
|
| 104 |
+
- **Warm-up Steps**: `100`
|
| 105 |
+
- **Learning Rate**: `1e-3`
|
| 106 |
+
- **Epochs**: `5`
|
| 107 |
+
- **Batch Size**: `8`
|
| 108 |
+
- **Validation Frequency**: every 400 steps
|
| 109 |
+
|
| 110 |
+
---
|
| 111 |
+
|
| 112 |
+
## ๐ Citation
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| 113 |
+
|
| 114 |
+
If you use this model or dataset, please cite the following paper:
|
| 115 |
+
|
| 116 |
+
```bibtex
|
| 117 |
+
@inproceedings{qi2025kokorochat,
|
| 118 |
+
title = {KokoroChat: A Japanese Psychological Counseling Dialogue Dataset Collected via Role-Playing by Trained Counselors},
|
| 119 |
+
author = {Zhiyang Qi and Takumasa Kaneko and Keiko Takamizo and Mariko Ukiyo and Michimasa Inaba},
|
| 120 |
+
booktitle = {Proceedings of the 63rd Annual Meeting of the Association for Computational Linguistics},
|
| 121 |
+
year = {2025},
|
| 122 |
+
url = {https://github.com/UEC-InabaLab/KokoroChat}
|
| 123 |
+
}
|
| 124 |
+
```
|
| 125 |
+
---
|
| 126 |
+
|
| 127 |
+
## ๐ Related
|
| 128 |
+
|
| 129 |
+
- ๐ **Dataset**:
|
| 130 |
+
- [KokoroChat on Hugging Face Datasets](https://huggingface.co/datasets/UEC-InabaLab/KokoroChat)
|
| 131 |
+
- [KokoroChat on GitHub (UEC-InabaLab)](https://github.com/UEC-InabaLab/KokoroChat)
|
| 132 |
+
- ๐ค **Model Variants**:
|
| 133 |
+
- [Llama-3.1-KokoroChat-Low](https://huggingface.co/UEC-InabaLab/Llama-3.1-KokoroChat-Low): fine-tuned on **3,870 dialogues** with client feedback scores **< 70**
|
| 134 |
+
- [Llama-3.1-KokoroChat-Full](https://huggingface.co/UEC-InabaLab/Llama-3.1-KokoroChat-Full): fine-tuned on **6,471 dialogues** with client feedback scores **โค 98**
|
| 135 |
+
- ๐ **Paper**: [ACL 2025 Paper](https://aclanthology.org/2025.acl-long.608/)
|