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Independent
OpenChat 3.5
OpenChat 3.5 is an open-weight model. It ranks #365 of 351 on the LMArena text leaderboard with a rating of 1107.
LMArena text1107+0 in 30 days
Rank#365/351
95% interval1099–1115
Votes12.6K
- Developer
- —
- Released
- Nov 8, 2023
- Context window
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- Price in / out, per 1M tokens
- —
- Weights
- Open · Apache-2.0
- Inputs
- —
- Reasoning
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- Tool use
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LatestOpenChat 3.5 1107
The rating LMArena published at each update since Nov 8, 2023. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1107 | 365 / 351 | 12.6K |
| CodingLMArena | 1113 | 355 / 346 | 2K |
| MathLMArena | 1107 | 359 / 339 | 1.7K |
| Creative writingLMArena | 1125 | 344 / 349 | 1.5K |
| Instruction followingLMArena | 1076 | 365 / 351 | 4.4K |
| Hard promptsLMArena | 1085 | 364 / 351 | 3.4K |
| Multi-turnLMArena | 1091 | 358 / 349 | 1.8K |
| Long queriesLMArena | 1093 | 360 / 330 | 414 |
| ExpertLMArena | 1053 | 349 / 305 | 611 |
| Legal and governmentIndustries | 1113 | 349 / 325 | 467 |
| Medicine and healthcareIndustries | 1073 | 348 / 325 | 743 |
| Business and financeIndustries | 1074 | 361 / 344 | 1.2K |
| ChineseLanguages | 1084 | 346 / 328 | 1.5K |
| GermanLanguages | 1060 | 293 / 261 | 268 |
| FrenchLanguages | 1092 | 286 / 252 | 211 |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown (OpenChat 3.5 (0106), OpenChat 3.5).
Compare OpenChat 3.5
Questions
How does OpenChat 3.5 rank?
#365 of 351 on LMArena’s text leaderboard, rated 1107 (95% interval 1099–1115) from 12,637 votes, as of Oct 22, 2026.
Is OpenChat 3.5 open source?
OpenChat 3.5 has open weights under the Apache-2.0 license.