MiniMax · MiniMax M Flash line · lightweight
MiniMax-M3.1-Flash-Preview was released by MiniMax on September 27, 2026, as a lightweight model in the MiniMax M Flash line.
MiniMax's first lighter, closed Flash model; generally available in the API since October 19, 2026 at $0.15 / $0.60 per 1M tokens.
Scores 43 on a combined set of hard tests
Artificial Analysis Intelligence Index v4.3.2 — one score averaging 10 hard tests
43
✦ MiniMax-M3.1-Flash, the generally available version · first model in the line, nothing earlier to compare
Costs developers 15 cents per million input tokens
Price per 1M tokens — what developers pay, input / output
$0.15 / $0.60
✦ price at general availability on October 19, 2026 · first model in the line
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MiniMax-M3.1-Flash-Preview is the current model in this line. The card shows how long it has been since the last release against the line's usual gap and its recent ones — the rhythm, not a date.
Latest: MiniMax-M3.1-Flash-Preview · Sep 27, 2026
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