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Step 5 Preview
MiMo-V2.6-Flash
MiMo-V2.6-Flash is an open-weight model from Xiaomi, released Sep 21, 2026. It ranks #48 of 351 on the LMArena text leaderboard with a rating of 1452, and #16 of 27 on the Vals Index with 54.83%. It costs $0.14 per million input tokens and $0.28 per million output tokens, with a 1.1M-token context window.
- Developer
- Xiaomi
- Released
- Sep 21, 2026
- Context window
- 1.1M
- Price in / out, per 1M tokens
- $0.14 / $0.28
- Weights
- Open · MIT
- Inputs
- Text, Images, Video, Audio
- Reasoning
- Yes
- Tool use
- Yes
- Hugging Face downloads, 30 days
- 91K
- Hugging Face likes
- 582
The rating LMArena published at each update since Sep 25, 2026. Ratings move as votes come in and new models join.
Benchmarks
| Benchmark | Score bar | Accuracy | Rank | Cost / test |
|---|---|---|---|---|
| Vals IndexVals AI | 54.83% | 16 / 27 | $0.22 | |
| Terminal-Bench 4.0Coding | 24.24% | 26 / 55 | $0.22 | |
| Vibe Code BenchCoding | 78.96% | 28 / 115 | $0.56 | |
| Code MigrationCoding | 39.55% | 20 / 28 | $0.53 | |
| Finance AgentFinance | 63.32% | 11 / 31 | $0.07 | |
| Finance IndexFinance | 57.15% | 15 / 31 | $0.07 | |
| Tax Agent BenchFinance | 28.51% | 32 / 76 | $0.05 | |
| Legal IndexLaw | 68.99% | 16 / 28 | $0.07 | |
| Legal Research BenchLaw | 37.98% | 40 / 85 | $0.07 | |
| MedCodeMedicine | 41.06% | 58 / 107 | $0.14 / $0.28 | |
| Terminal-Bench ScienceReasoning | 4.29% | 31 / 42 | $0.24 |
Vals AI, as of Oct 24, 2026.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| TextLMArena | 1452 | 48 / 351 | 13.7K |
| CodingLMArena | 1499 | 25 / 346 | 3.2K |
| MathLMArena | 1470 | 48 / 339 | 733 |
| Creative writingLMArena | 1404 | 87 / 349 | 2.7K |
| Instruction followingLMArena | 1449 | 52 / 351 | 4.6K |
| Hard promptsLMArena | 1474 | 43 / 351 | 8.4K |
| Multi-turnLMArena | 1444 | 81 / 349 | 2.1K |
| Long queriesLMArena | 1459 | 52 / 330 | 5.6K |
| ExpertLMArena | 1495 | 31 / 305 | 1.4K |
| Legal and governmentIndustries | 1442 | 81 / 325 | 1.2K |
| Medicine and healthcareIndustries | 1443 | 92 / 325 | 897 |
| Business and financeIndustries | 1451 | 42 / 344 | 2.5K |
| ChineseLanguages | 1507 | 43 / 328 | 1.1K |
| SpanishLanguages | 1452 | 56 / 249 | 527 |
| GermanLanguages | 1455 | 48 / 261 | 230 |
| FrenchLanguages | 1479 | 35 / 252 | 534 |
| JapaneseLanguages | 1355 | 123 / 236 | 270 |
| WebDevLMArena | 1635 | 20 / 124 | 5.7K |
| VisionLMArena | 1256 | 59 / 146 | 3.6K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare MiMo-V2.6-Flash
Xiaomi
Xiaomi’s MiMo models are open reasoning models built for devices and cloud. Founded 2010, based in Beijing. xiaomimimo.github.io
Questions
Who makes MiMo-V2.6-Flash?
MiMo-V2.6-Flash is made by Xiaomi, founded 2010 and based in Beijing.
How much does MiMo-V2.6-Flash cost?
$0.14 per million input tokens and $0.28 per million output tokens, at its provider’s list price.
What is MiMo-V2.6-Flash’s context window?
1.1M tokens (1,050,000).
How does MiMo-V2.6-Flash rank?
#48 of 351 on LMArena’s text leaderboard, rated 1452 (95% interval 1446–1458) from 13,730 votes, as of Oct 22, 2026.
Is MiMo-V2.6-Flash open source?
MiMo-V2.6-Flash has open weights under the MIT license, downloadable from Hugging Face (XiaomiMiMo/MiMo-V2.6-Flash-RL).