Yi is 01.AI’s bilingual open-weight language model family. Yi releases compete at the open frontier on Chinese and English benchmarks and ship under permissive licenses.
See all models from 01.AIModels in family
1
Open weight
0
API only
1
Avg score
63.8
Top benchmark
70.2
Arena Score
Total HF downloads
—
Primary modality
Text
Context window
16K
First release
Sep 2024
Latest release
Sep 2024
Every release in the Yi family, ranked by composite score across benchmarks, popularity, efficiency, and versatility.
| # | Model | Modality | Score | Params | Released |
|---|---|---|---|---|---|
| 1 | Yi LightningAPI | text | BB63.8 | — | Sep 2024 |
When each release shipped, newest first. Useful for tracking version cadence.
Sep 30
Composite grades across this family. Higher is better, blending benchmarks, popularity, and efficiency.
Closed-source releases accessed through 01.AI’s API.
| # | Model | Modality | Score | Params | Released |
|---|---|---|---|---|---|
| 1 | Yi LightningAPI | text | BB63.8 | — | Sep 2024 |
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