MiniMax M3 Launch: Open-Weights Model, 1M Context & API Pricing

MINIMAX: a new open-weights model, MiniMax M3, is now available via the API and in MiniMax Agent.

MiniMax M3 scores 59% on SWE Bench Pro (on par with GPT-5.5), supports a context window of up to 1 million tokens thanks to MiniMax Sparse Attention technology, and is multimodal from the start.

MiniMax Agent updates:
1) Persistent memory — the agent remembers information you share
2) Evolving skills — the agent learns as you work together and turns complex tasks into personalized skills.
3) Unified billing system — full integration with Token Plan

API price — $1.2/$4.8 per million tokens, but for the first week there’s a 50% discount for requests up to 512k.