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Step 5 Preview
Yi 34B Chat
Yi 34B Chat is an open-weight model from 01.AI. It ranks #353 of 351 on the LMArena text leaderboard with a rating of 1128.
LMArena text1128
Rank#353/351
95% interval1122–1135
Votes15.5K
- Developer
- 01.AI
- Released
- Dec 6, 2023
- Context window
- —
- Price in / out, per 1M tokens
- —
- Weights
- Open · Yi License
- Inputs
- —
- Reasoning
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- Tool use
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LatestYi 34B Chat 1128
The rating LMArena published at each update since Dec 6, 2023. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1128 | 353 / 351 | 15.5K |
| CodingLMArena | 1112 | 358 / 346 | 2.3K |
| MathLMArena | 1114 | 353 / 339 | 2K |
| Creative writingLMArena | 1108 | 352 / 349 | 2.4K |
| Instruction followingLMArena | 1091 | 360 / 351 | 5.1K |
| Hard promptsLMArena | 1103 | 357 / 351 | 3.8K |
| Multi-turnLMArena | 1113 | 349 / 349 | 1.9K |
| Long queriesLMArena | 1093 | 359 / 330 | 1.1K |
| ExpertLMArena | 1061 | 346 / 305 | 559 |
| Legal and governmentIndustries | 1138 | 338 / 325 | 857 |
| Medicine and healthcareIndustries | 1103 | 342 / 325 | 824 |
| Business and financeIndustries | 1089 | 351 / 344 | 1.4K |
| ChineseLanguages | 1176 | 324 / 328 | 1.2K |
| SpanishLanguages | 1070 | 298 / 249 | 218 |
| GermanLanguages | 1042 | 302 / 261 | 381 |
| FrenchLanguages | 1082 | 290 / 252 | 234 |
| JapaneseLanguages | 993 | 270 / 236 | 197 |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare Yi 34B Chat
01.AI
Founded by Kai-Fu Lee, builds the Yi family of bilingual models. Founded 2023, based in Beijing. 01.ai
Questions
Who makes Yi 34B Chat?
Yi 34B Chat is made by 01.AI, founded 2023 and based in Beijing.
How does Yi 34B Chat rank?
#353 of 351 on LMArena’s text leaderboard, rated 1128 (95% interval 1122–1135) from 15,483 votes, as of Oct 22, 2026.
Is Yi 34B Chat open source?
Yi 34B Chat has open weights under the Yi License license.