MiniMax-M3.1-Flash-Preview API
About
Build advanced reasoning agents with MiniMax-M3.1-Flash-Preview, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers available completely free of charge, native tool calling support. Access MiniMax-M3.1-Flash-Preview via the MiniMax Token Plan (minimax.io) API with up to 512K output tokens.
Capabilities
Input Modalities
textimagevideo
Output Modalities
text
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
512K
Tokens
Pricing
Standard (per 1M tokens)
Input
Free
Output
Free
Caching (per 1M tokens)
Read
Free
Write
Free
Frequently Asked Questions
MiniMax-M3.1-Flash-Preview by MiniMax Token Plan (minimax.io) costs Free per 1M input tokens and Free per 1M output tokens. Cached reads cost Free per 1M tokens. Cache writes cost Free per 1M tokens.
Model Details
ID
MiniMax-M3.1-Flash-Preview
Provider
MiniMax Token Plan (minimax.io)Family
minimax
Release Date
Sep 27, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@ai-sdk/anthropic
Environment Variables
MINIMAX_API_KEY
API Base URL
https://api.minimax.io/anthropic/v1