
Claude 3 Sonnet
Claude 3 Sonnet is a proprietary model from Anthropic. It ranks #313 of 351 on the LMArena text leaderboard with a rating of 1218.
- Developer
- Anthropic
- Released
- Mar 7, 2024
- Context window
- —
- Price in / out, per 1M tokens
- —
- Weights
- Proprietary
- Inputs
- —
- Reasoning
- —
- Tool use
- —
The rating LMArena published at each update since Mar 7, 2024. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1218 | 313 / 351 | 109.3K |
| CodingLMArena | 1223 | 308 / 346 | 18.9K |
| MathLMArena | 1213 | 304 / 339 | 13.8K |
| Creative writingLMArena | 1186 | 317 / 349 | 15.6K |
| Instruction followingLMArena | 1199 | 311 / 351 | 38.8K |
| Hard promptsLMArena | 1197 | 314 / 351 | 30.7K |
| Multi-turnLMArena | 1227 | 299 / 349 | 17.1K |
| Long queriesLMArena | 1211 | 312 / 330 | 11.9K |
| ExpertLMArena | 1173 | 301 / 305 | 5.6K |
| Legal and governmentIndustries | 1214 | 313 / 325 | 6.1K |
| Medicine and healthcareIndustries | 1188 | 307 / 325 | 5.9K |
| Business and financeIndustries | 1174 | 320 / 344 | 11.9K |
| ChineseLanguages | 1189 | 315 / 328 | 15.6K |
| SpanishLanguages | 1204 | 260 / 249 | 1.4K |
| GermanLanguages | 1204 | 254 / 261 | 3.1K |
| FrenchLanguages | 1229 | 253 / 252 | 1.8K |
| JapaneseLanguages | 1131 | 242 / 236 | 1.8K |
| VisionLMArena | 984 | 154 / 146 | 12.3K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare Claude 3 Sonnet
Anthropic
An AI safety and research company that builds the Claude family of models, known for coding, long context and careful behaviour. Founded 2021, based in San Francisco. anthropic.com
Questions
Who makes Claude 3 Sonnet?
Claude 3 Sonnet is made by Anthropic, founded 2021 and based in San Francisco.
How does Claude 3 Sonnet rank?
#313 of 351 on LMArena’s text leaderboard, rated 1218 (95% interval 1214–1222) from 109,284 votes, as of Oct 22, 2026.
Is Claude 3 Sonnet open source?
No. Claude 3 Sonnet is proprietary and served through its provider’s API.
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