MiniMax M3 (free) API
About
Build advanced reasoning agents with MiniMax M3 (free), 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, open weights architecture. Access MiniMax M3 (free) via the OpenRouter API with up to 944K output tokens.
Capabilities
Input Modalities
textimagevideo
Output Modalities
text
Reasoning
Yes
Structured Output
No
Tool Use
Yes
WeightsOpen
Temperature
Adjustable
Attachment
Supported
Limits
Context Window
1.0M
Tokens
Input Limit
1.0M
Tokens
Max Output
944K
Tokens
Pricing
Standard (per 1M tokens)
Input
Free
Output
Free
Frequently Asked Questions
MiniMax M3 (free) by OpenRouter costs Free per 1M input tokens and Free per 1M output tokens.
Model Details
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1