MiniMax makes M3.1 Flash generally available
M3.1 Flash is generally available through the MiniMax API, M Plan and MiniMax Code; weights will follow.
What happened
Event details
MiniMax released M3.1 Flash on October 19, 2026 for coding, agentic work, computer use and cybersecurity. The company reports better inference efficiency and lower agent-task costs. API, M Plan and MiniMax Code access are available. The announcement says weights will follow; performance and cost improvements remain vendor-reported. The existing model record retains its September 27 preview date; this event records general availability.
Assessment
Why it matters
An efficiency and cost iteration within an existing product family, with effects concentrated on its users.
Availability
Access notes
Available through the API, M Plan and MiniMax Code; weights will be released later.