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Step 5 Preview
Qwen3.5-27B
Qwen3.5-27B is an open-weight model from Alibaba, released Feb 25, 2026. It ranks #142 of 351 on the LMArena text leaderboard with a rating of 1409. It costs $0.27 per million input tokens and $2.16 per million output tokens, with a 256K-token context window.
- Developer
- Alibaba Qwen
- Released
- Feb 25, 2026
- Context window
- 256K
- Price in / out, per 1M tokens
- $0.27 / $2.16
- Weights
- Open · Apache 2.0
- Inputs
- Text, Images, Video
- Reasoning
- Yes
- Tool use
- Yes
- Hugging Face downloads, 30 days
- 1.7M
- Hugging Face likes
- 1.1K
The rating LMArena published at each update since Feb 26, 2026. Ratings move as votes come in and new models join.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1409 | 142 / 351 | 28.7K |
| CodingLMArena | 1427 | 142 / 346 | 7.9K |
| MathLMArena | 1429 | 105 / 339 | 1.7K |
| Creative writingLMArena | 1363 | 155 / 349 | 4.3K |
| Instruction followingLMArena | 1393 | 141 / 351 | 9.2K |
| Hard promptsLMArena | 1414 | 143 / 351 | 18.1K |
| Multi-turnLMArena | 1410 | 138 / 349 | 4.9K |
| Long queriesLMArena | 1413 | 123 / 330 | 11K |
| ExpertLMArena | 1428 | 123 / 305 | 2.7K |
| Legal and governmentIndustries | 1405 | 152 / 325 | 2.2K |
| Medicine and healthcareIndustries | 1425 | 124 / 325 | 2K |
| Business and financeIndustries | 1399 | 142 / 344 | 5.6K |
| ChineseLanguages | 1478 | 79 / 328 | 2.1K |
| SpanishLanguages | 1407 | 135 / 249 | 939 |
| GermanLanguages | 1393 | 129 / 261 | 451 |
| FrenchLanguages | 1410 | 147 / 252 | 849 |
| JapaneseLanguages | 1346 | 131 / 236 | 226 |
| WebDevLMArena | 1359 | 116 / 124 | 7.8K |
| VisionLMArena | 1241 | 72 / 146 | 30.3K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare Qwen3.5-27B
Alibaba Qwen
Alibaba Cloud’s Qwen team releases a broad family of open-weight models, from small to frontier scale. Founded 2023 (Qwen), based in Hangzhou. qwenlm.github.io
Questions
Who makes Qwen3.5-27B?
Qwen3.5-27B is made by Alibaba Qwen, founded 2023 (Qwen) and based in Hangzhou.
How much does Qwen3.5-27B cost?
$0.27 per million input tokens and $2.16 per million output tokens, at its provider’s list price.
What is Qwen3.5-27B’s context window?
256K tokens (262,144).
How does Qwen3.5-27B rank?
#142 of 351 on LMArena’s text leaderboard, rated 1409 (95% interval 1405–1413) from 28,661 votes, as of Oct 22, 2026.
Is Qwen3.5-27B open source?
Qwen3.5-27B has open weights under the Apache 2.0 license, downloadable from Hugging Face (Qwen/Qwen3.5-27B).