MiniMax M3.1 Flash (Reasoning)
by MiniMax
MiniMax M3.1 Flash (Reasoning) is a reasoning model from MiniMax, released on October 19, 2026. It has a 1M-token context window and can generate up to 524K output tokens. API pricing is $0.15 per 1M input tokens and $0.6 per 1M output tokens. It ranks #29 of 247 models by Intelligence Score with a score of 48.4.
MiniMax M3.1 Flash is the flash successor in the MiniMax M3 family, released 2026-10-19. It is a multimodal reasoning model with a 1M-token context window, native image and video input, and text output. Thinking is always on (cannot be disabled) with effort levels low/medium/high/xhigh/max (default max). Described as open-weight with weights to be released later; no Hugging Face checkpoint is available yet. The anonymous "Space Bunny" model was an early version. Available via the MiniMax API (Anthropic-compatible and OpenAI-compatible endpoints), M Plan, and MiniMax Code.
Key specs
| Provider | MiniMax |
|---|---|
| Release date | 2026-10-19 |
| License | proprietary |
| Context window | 1M tokens |
| Max output | 524K tokens |
| Input price | $0.15 / 1M tokens |
| Output price | $0.6 / 1M tokens |
| Intelligence Score | 48.4 |
| Coding index | 38.8 |
| Output speed | 202 tokens/s |
| Time to first token | 2.17 s |
Quick answers
What is the context window of MiniMax M3.1 Flash (Reasoning)?
MiniMax M3.1 Flash (Reasoning) has a context window of 1M tokens, with a maximum output of 524K tokens per response.
How much does MiniMax M3.1 Flash (Reasoning) cost?
MiniMax M3.1 Flash (Reasoning) costs $0.15 per 1M input tokens and $0.6 per 1M output tokens through the API.
Is MiniMax M3.1 Flash (Reasoning) open source?
No. MiniMax M3.1 Flash (Reasoning) is a proprietary model from MiniMax (proprietary license).
When was MiniMax M3.1 Flash (Reasoning) released?
MiniMax released MiniMax M3.1 Flash (Reasoning) on October 19, 2026.
How does MiniMax M3.1 Flash (Reasoning) compare to Claude Opus 5.5 (Reasoning)?
MiniMax M3.1 Flash (Reasoning) scores 48.4 on the Intelligence Score versus 59.9 for Claude Opus 5.5 (Reasoning), the current #1. Input pricing is $0.15 vs $4 per 1M tokens.
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More models from MiniMax
- MiniMax M3 (Reasoning) — MiniMax