Provider, China

# 01.AI models

> 01.AI's highest-ranked model is Yi-Lightning, #209 on the Noometry Index as of October 2026. Noometry tracks 5 01.AI models, 3 with open weights. Benchmarks, prices and context windows for every 01.AI model.
- Canonical page: https://noometry.com/providers/01-ai
- Last updated: 2026-10-10
- Title: 01.AI AI Models Ranked (October 2026) | Noometry

01.AI's highest-ranked model is Yi-Lightning, #209 on the Noometry Index as of October 2026. Noometry tracks 5 01.AI models, 3 with open weights.

Last verified October 10, 2026

[www.01.ai](https://www.01.ai)

01.AI models
|  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 209 | 01.AI [Yi-Lightning](https://noometry.com/models/yi-lightning) | [01.AI](https://noometry.com/providers/01-ai) | Proprietary | — | 37.1 | — | — | — | — |
| 289 | 01.AI [Yi-1.5-34B](https://noometry.com/models/yi-1-5-34b) | [01.AI](https://noometry.com/providers/01-ai) | Open | — | 30.6 | — | — | — | — |
| 329 | 01.AI [Yi-34B](https://noometry.com/models/yi-34b) | [01.AI](https://noometry.com/providers/01-ai) | Open | — | 27.8 | — | — | — | — |
|  | 01.AI [Yi 6B](https://noometry.com/models/yi-6b) | [01.AI](https://noometry.com/providers/01-ai) | Open | — | Not ranked | — | — | — | — |
|  | 01.AI [Yi-Large](https://noometry.com/models/yi-large) | [01.AI](https://noometry.com/providers/01-ai) | Proprietary | — | Not ranked | — | — | — | — |

## 01.AI's best vs other flagships

-   [Yi-Lightning vs Qwen3.8 Max](https://noometry.com/compare/qwen3-8-max-vs-yi-lightning)
-   [Yi-Lightning vs GPT-6 Astra](https://noometry.com/compare/gpt-6-astra-vs-yi-lightning)
-   [Yi-Lightning vs Gemini 3.8 Flash](https://noometry.com/compare/gemini-3-8-flash-vs-yi-lightning)
-   [Yi-Lightning vs Claude Fable 5.1](https://noometry.com/compare/claude-fable-5-1-vs-yi-lightning)
-   [Yi-Lightning vs Muse Spark 1.3](https://noometry.com/compare/muse-spark-1-3-vs-yi-lightning)
-   [Yi-Lightning vs Mistral Large 4](https://noometry.com/compare/mistral-large-4-vs-yi-lightning)

## Frequently asked questions

### What is the best 01.AI model?

01.AI's highest-ranked model is Yi-Lightning, #209 on the Noometry Index as of October 2026. Noometry tracks 5 01.AI models, 3 with open weights.