MiniMax releases M3.1 Flash, with open weights due October 23
Original title: MiniMax M3.1 Flash shows China's AI price race has no floor in sight
API pricing is $0.15 per million input tokens and $0.60 per million output tokens, with cached input at $0.015.
MiniMax released M3.1 Flash, a reasoning model it says scores 42 on the Artificial Analysis Intelligence Index, 13 points above M3, at less than half the cost per task. It ties GLM-5.3-Flash, edges Gemini 3.8 Flash at 41, and trails Deepseek V4.1 Flash 1017 at 45. Artificial Analysis reports a 93 percent hallucination rate because the model answers every question. Context reaches one million tokens for text and images, and the API is live.
Unconfirmed: Scores, speed, and pricing comparisons come from MiniMax and Artificial Analysis, not an independent audit.
- On Humanity's Last Exam it scores 48 percent, ahead of Deepseek and GLM here.
- Its CritPt physics score is 22 percent across 71 problems.
- Cost per task is about $0.22, and MiniMax says it is three times faster than M3.
- On DeepSWE v1.1 it scores up to 73.7 percent at under $0.30 per task.
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From the original article
2 min read at the-decoder.com
MiniMax's M3. 1 Flash jumps 13 points over its predecessor to 42 on the Artificial Analysis Intelligence Index, at half the cost. It also hits 73.
By Matthias Bastian · the-decoder.com
A short excerpt; the article and its images belong to the publisher. Summary, key facts and assessment above are AI-written from the article and can be wrong.