MiniMax releases M3.1 Flash for low-cost agent and coding work
The speed, cost and benchmark figures are MiniMax's own and have not been independently rerun. No release date or license for the weights has been published.
What was claimed?
MiniMax released M3.1 Flash on October 19 through its API, its M Plan subscription and MiniMax Code, priced at $0.15 per million input tokens, $0.60 per million output tokens and $0.015 per million cached input tokens. MiniMax says an anonymous model called Space Bunny was an early version, and that weights will be released later.
What does the evidence support?
Company claim, independent confirmation unresolved
MiniMax claims the model is nearly three times faster in online inference than its predecessor and cuts usage costs by 70%, while reporting 73.7% on DeepSWE v1.1. If those claims hold up, the price of capable agent and coding models keeps falling.
What are the limits?
The speed, cost and benchmark figures are MiniMax's own and have not been independently rerun. No release date or license for the weights has been published.
Claim or evidence date: 2026-10-19. Last verified: .
MiniMax · M3.1 Flash: Redefining Agent Performance and Cost ↗
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