UltraChat
by Tsinghua University · open-source · Last verified 2026-03-17
A large-scale, diverse multi-turn conversational dataset with 1.5 million synthesized dialogues spanning questions, information seeking, and creative writing. Generated using ChatGPT with a two-model pipeline to produce high-quality, coherent long-form exchanges for supervised fine-tuning.
https://huggingface.co/datasets/stingning/ultrachat ↗B
B—Above Average
Adoption: B+Quality: AFreshness: B+Citations: B+Engagement: F
Specifications
- License
- CC-BY-NC-4.0
- Pricing
- open-source
- Capabilities
- instruction-tuning, multi-turn-conversations, supervised-fine-tuning
- Integrations
- huggingface-datasets
- Use Cases
- fine-tuning, chatbot-training, dialogue-modeling
- API Available
- No
- Tags
- multi-turn, synthetic, conversations, diverse, large-scale
- Added
- 2026-03-17
- Completeness
- 100%
Index Score
66.2Adoption
78
Quality
80
Freshness
70
Citations
76
Engagement
0
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