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Step 5 Preview
MiniMax-M3.1-Flash
MiniMax-M3.1-Flash is an open-weight model from MiniMax, released Oct 19, 2026. It ranks #17 of 27 on the Vals Index with 53.78%. It costs $0.15 per million input tokens and $0.60 per million output tokens, with a 1M-token context window.
- Developer
- MiniMax
- Released
- Oct 19, 2026
- Context window
- 1M
- Price in / out, per 1M tokens
- $0.15 / $0.60
- Weights
- Open · MiniMax Community License
- Inputs
- Text, Images, Video
- Reasoning
- Yes
- Tool use
- Yes
- Hugging Face downloads, 30 days
- 5.8K
- Hugging Face likes
- 307
Benchmarks
| Benchmark | Score bar | Accuracy | Rank | Cost / test |
|---|---|---|---|---|
| Vals IndexVals AI | 53.78% | 17 / 27 | $0.66 | |
| Terminal-Bench 4.0Coding | 25.25% | 24 / 55 | $0.73 | |
| Vibe Code BenchCoding | 73.94% | 39 / 115 | $1.15 | |
| Finance AgentFinance | 58.83% | 24 / 31 | $0.16 | |
| Finance IndexFinance | 55.91% | 19 / 31 | $0.25 | |
| Tax Agent BenchFinance | 32.14% | 20 / 76 | $0.32 | |
| Legal IndexLaw | 67.07% | 21 / 28 | $0.41 | |
| Legal Research BenchLaw | 34.13% | 46 / 85 | $0.44 |
Vals AI, as of Oct 24, 2026.
LMArena, by category
| Leaderboard | Rating | Rank | Votes |
|---|---|---|---|
| WebDevLMArena | 1589 | 34 / 124 | 2.2K |
LMArena, CC BY 4.0, as of Oct 22, 2026. Where a model is rated at several effort levels, its best is shown.
Compare MiniMax-M3.1-Flash
MiniMax
Builds long-context text, voice and video models, with open-weight releases. Founded 2021, based in Shanghai. minimax.io
Questions
Who makes MiniMax-M3.1-Flash?
MiniMax-M3.1-Flash is made by MiniMax, founded 2021 and based in Shanghai.
How much does MiniMax-M3.1-Flash cost?
$0.15 per million input tokens and $0.60 per million output tokens, at its provider’s list price.
What is MiniMax-M3.1-Flash’s context window?
1M tokens (1,048,576).
Is MiniMax-M3.1-Flash open source?
MiniMax-M3.1-Flash has open weights under the MiniMax Community License license, downloadable from Hugging Face (MiniMaxAI/MiniMax-M3.1-Flash).