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Trinity Large Thinking
Trinity Large Thinking is an open-weight model from Arcee, released Apr 1, 2026. It ranks #215 of 351 on the LMArena text leaderboard with a rating of 1340. It costs $0.25 per million input tokens and $0.80 per million output tokens, with a 256K-token context window.
- Developer
- Arcee AI
- Released
- Apr 1, 2026
- Context window
- 256K
- Price in / out, per 1M tokens
- $0.25 / $0.80
- Weights
- Open · Apache 2.0
- Inputs
- Text
- Reasoning
- Yes
- Tool use
- Yes
- Hugging Face downloads, 30 days
- 2.3K
- Hugging Face likes
- 190
The rating LMArena published at each update since May 1, 2026. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1340 | 215 / 351 | 30.3K |
| CodingLMArena | 1357 | 225 / 346 | 8.5K |
| MathLMArena | 1365 | 202 / 339 | 1.7K |
| Creative writingLMArena | 1308 | 215 / 349 | 4.7K |
| Instruction followingLMArena | 1326 | 210 / 351 | 10.3K |
| Hard promptsLMArena | 1342 | 217 / 351 | 20K |
| Multi-turnLMArena | 1320 | 231 / 349 | 5.6K |
| Long queriesLMArena | 1318 | 232 / 330 | 13.1K |
| ExpertLMArena | 1359 | 191 / 305 | 2.9K |
| Legal and governmentIndustries | 1345 | 213 / 325 | 2.4K |
| Medicine and healthcareIndustries | 1349 | 210 / 325 | 2.3K |
| Business and financeIndustries | 1329 | 211 / 344 | 6.1K |
| ChineseLanguages | 1371 | 206 / 328 | 2.1K |
| SpanishLanguages | 1327 | 205 / 249 | 946 |
| GermanLanguages | 1357 | 164 / 261 | 409 |
| FrenchLanguages | 1366 | 182 / 252 | 1K |
| JapaneseLanguages | 1313 | 154 / 236 | 282 |
| WebDevLMArena | 1238 | 141 / 124 | 1.4K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare Trinity Large Thinking
Arcee AI
Builds small, efficient models for enterprise, open and commercial. Founded 2023, based in San Francisco. arcee.ai
Questions
Who makes Trinity Large Thinking?
Trinity Large Thinking is made by Arcee AI, founded 2023 and based in San Francisco.
How much does Trinity Large Thinking cost?
$0.25 per million input tokens and $0.80 per million output tokens, at its provider’s list price.
What is Trinity Large Thinking’s context window?
256K tokens (262,144).
How does Trinity Large Thinking rank?
#215 of 351 on LMArena’s text leaderboard, rated 1340 (95% interval 1336–1345) from 30,307 votes, as of Oct 22, 2026.
Is Trinity Large Thinking open source?
Trinity Large Thinking has open weights under the Apache 2.0 license, downloadable from Hugging Face (arcee-ai/Trinity-Large-Thinking).