MiniMax M3 M3.1 Flash Preview
Released on September 27, 2026
Changes from previous version
Adds a Flash preview on the M3 line inside MiniMax Code for shorter coding turns. MiniMax M3 keeps the published API price, benchmark sheet, and open weights.
Release Summary
MiniMax released M3.1 Flash Preview in MiniMax Code on September 27, 2026. The company describes it as a text model for everyday development: quick bug fixes and full feature work, with an emphasis on speed and stability. It is selectable beside MiniMax M3. MiniMax has not published a model card, benchmark table, list price, public API model ID, or weights. The models.dev index lists a 1M-token context and up to 512K output.
Timeline
September 27, 2026
M3.1 Flash Preview released
MiniMax makes M3.1 Flash Preview selectable in MiniMax Code for everyday coding. The public API listing is unchanged.