feat: add MiniMax-M3 model with 1M token context window

[hjshin-ubob]

Summary

Add MiniMax-M3 model to the models.dev catalog.

Model Details

Field	Value
Name	MiniMax-M3
API ID	minimax-m3
Context Window	1,000,000 tokens
Release Date	June 2026

Capabilities

• Agentic reasoning
• Tool use / function calling
• Coding
• Long-context tasks (1M token context)

References

• MiniMax API Docs: https://platform.minimax.io/docs/api-reference/api-overview
• Community example with minimax-m3: Minimax platfrom create ey token istead of sj and getting error 2049 invalid API key MiniMax-AI/MiniMax-01#69

Notes

• • MiniMax-M3 appears to be API-only (no public weights repo yet, unlike M2/M2.1)
• Pricing is estimated based on M2.7 structure; please verify with official MiniMax pricing before merge
• Uses the existing MiniMax provider configuration (minimax.io API endpoint)

[vinayakkulkarni]

Please can we support MiniMax M3 ? Thanks

[hjshin-ubob]

Hi @vinayakkulkarni! This PR (#1922) is exactly for adding MiniMax-M3 support. The model file has been created and is awaiting review from the maintainers. You can track the progress here: #1922

[rekram1-node]

Closing in favor of: #1940