Yi-1.5 (6B, 9B, 34B)
Apache-2.0 refresh of Yi with stronger coding, math, reasoning and instruction following at 6B, 9B and 34B.
Continued pretraining on a larger corpus plus fine-tuning; described by 01.AI as a true Apache-2.0 open release of the series. The company later stopped pretraining its own large models (reported March 2025).
- Date
- Monday, 13 May 2024
- Lab
- 01.AI
- Kind
- open-weights
- Access
- open weights
Date from the Yi README news log. Benchmarks not recorded.
Sources
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