# MiniMax M3.1 Flash

MiniMax M3.1 Flash is MiniMax's latest language model in our dataset, released Oct 19, 2026. Open weights (MiniMax Community License). MiniMax's low-cost agentic and coding model, announced Oct 19, 2026 at $0.15 input and $0.60 output per 1M tokens, with a public Hugging Face repository under a custom community license. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/minimax-m3-1-flash · JSON: https://theagenticweekly.com/api/models/minimax-m3-1-flash

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | MiniMax |  |
| Released | Oct 19, 2026 | https://www.minimax.io/blog/minimax-m31f |
| API id | `MiniMax-M3.1-Flash` | https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash |
| Context window | 1,000,000 tokens (1M). Stated as 1M tokens. | https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash |
| Input | text, image, video | https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash |
| Output | text | https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash |
| Parameters | ~428B total, 23B active, mixture-of-experts | https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash |
| Licence | MiniMax Community License (open weights). Free for non-commercial use. Commercial use needs a visible "Built with MiniMax M3.1-Flash" credit and a notice to MiniMax; products above US$20M yearly revenue need prior written authorization. | https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash/blob/main/LICENSE |
| Pricing | $0.15 in / $0.6 out per 1M tokens. Flat pricing. | https://www.minimax.io/blog/minimax-m31f |

## Vendor claims and neutral signals

- MiniMax reports 73.7% on DeepSWE v1.1, 76.2 on BankerToolBench, 61.7 on OSWorld V2 and 82% on CyberGym. These are vendor-run figures.

## What we tested

Nothing yet. We have not run MiniMax M3.1 Flash ourselves, so every fact here is Reported from the sources below.

## Not verified, left out

- Context window and modalities come from the Hugging Face card and were not on the blog post.
- MiniMax's blog says weights "will be released later", yet a Hugging Face repository with weights is public; we follow the repository.

## Sources

- [MiniMax blog](https://www.minimax.io/blog/minimax-m31f)
- [Hugging Face model card](https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash)
- [Hugging Face LICENSE](https://huggingface.co/MiniMaxAI/MiniMax-M3.1-Flash/blob/main/LICENSE)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.