MiniMax

MiniMax-M3.1-Flash-Preview

Generally availableProprietary1M contextReasoning

Summary

MiniMax-M3.1-Flash-Preview is a proprietary language model from MiniMax, released on 27 Sept 2026. It accepts text, images and video and generates text, with a 1M-token context window and up to 512K output tokens per response.

Frontier multimodal coding model with 1M context window and tunable thinking depth

Last verified 4 Oct 2026. Every figure on this page links to its source.

Specifications

DeveloperMiniMax
Release date27 Sept 2026 [models.dev]
StatusGenerally available [models.dev]
WeightsProprietary (API only) [models.dev]
Context window1M (1,000,000 tokens) [models.dev]
Max output512K tokens [models.dev]
InputText, images and video [models.dev]
OutputText [models.dev]
Reasoning modeYes [models.dev]
Tool callingYes [models.dev]

MiniMax-M3.1-Flash-Preview API pricing by provider

USD per million tokens. Sorted by input price.

We do not currently track a paid API listing for this model.

Frequently asked questions

What is the context window of MiniMax-M3.1-Flash-Preview?

MiniMax-M3.1-Flash-Preview has a context window of 1,000,000 tokens (1M) and can generate up to 512,000 tokens in a single response, according to models.dev.

Is MiniMax-M3.1-Flash-Preview open source?

No. MiniMax-M3.1-Flash-Preview is a proprietary model; MiniMax has not released its weights.

When was MiniMax-M3.1-Flash-Preview released?

MiniMax released MiniMax-M3.1-Flash-Preview on 27 Sept 2026, according to models.dev.

Change history

No changes detected since we started tracking this model. We re-check every source daily.

Sources