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Gemma 4 31B
Gemma 4 31B is an open-weight model from Google, released Apr 2, 2026. It ranks #67 of 351 on the LMArena text leaderboard with a rating of 1443. It costs $0.20 per million input tokens and $0.40 per million output tokens, with a 256K-token context window.
- Developer
- Google DeepMind
- Released
- Apr 2, 2026
- Context window
- 256K
- Price in / out, per 1M tokens
- $0.20 / $0.40
- Weights
- Open · Apache 2.0
- Inputs
- Images, Text, Video
- Reasoning
- Yes
- Tool use
- Yes
- Hugging Face downloads, 30 days
- 8.5M
- Hugging Face likes
- 4.2K
The rating LMArena published at each update since Mar 31, 2026. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1443 | 67 / 351 | 6.1K |
| CodingLMArena | 1459 | 86 / 346 | 1.4K |
| MathLMArena | 1464 | 55 / 339 | 430 |
| Creative writingLMArena | 1416 | 74 / 349 | 971 |
| Instruction followingLMArena | 1434 | 69 / 351 | 1.8K |
| Hard promptsLMArena | 1448 | 81 / 351 | 3.6K |
| Multi-turnLMArena | 1452 | 65 / 349 | 1.1K |
| Long queriesLMArena | 1446 | 67 / 330 | 1.8K |
| ExpertLMArena | 1465 | 66 / 305 | 501 |
| Legal and governmentIndustries | 1438 | 92 / 325 | 451 |
| Medicine and healthcareIndustries | 1451 | 73 / 325 | 422 |
| Business and financeIndustries | 1430 | 78 / 344 | 1.2K |
| ChineseLanguages | 1475 | 83 / 328 | 522 |
| SpanishLanguages | 1442 | 78 / 249 | 251 |
| FrenchLanguages | 1436 | 109 / 252 | 269 |
| WebDevLMArena | 1368 | 112 / 124 | 15K |
| VisionLMArena | 1277 | 39 / 146 | 40.2K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare Gemma 4 31B
Google DeepMind
Google’s AI lab, behind Gemini and the open Gemma family, with very long context and native multimodality. Founded 2010 (DeepMind), merged with Google Brain in 2023, based in London. deepmind.google
Questions
Who makes Gemma 4 31B?
Gemma 4 31B is made by Google DeepMind, founded 2010 (DeepMind), merged with Google Brain in 2023 and based in London.
How much does Gemma 4 31B cost?
$0.20 per million input tokens and $0.40 per million output tokens, at its provider’s list price.
What is Gemma 4 31B’s context window?
256K tokens (262,144).
How does Gemma 4 31B rank?
#67 of 351 on LMArena’s text leaderboard, rated 1443 (95% interval 1436–1450) from 6,137 votes, as of Oct 22, 2026.
Is Gemma 4 31B open source?
Gemma 4 31B has open weights under the Apache 2.0 license, downloadable from Hugging Face (google/gemma-4-31B-it).