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Each item is one event, written from several sources, with a footnote for every fact.

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Release

MiniMax releases self-improving MiniMax-M2.7

In March 2026 MiniMax released MiniMax-M2.7, a model with 229B listed parameters that the company described as its first to take part in its own evolution, and which posted strong scores on machine-learning, coding, science and competition-math benchmarks.

Release

MiniMax releases MiniMax-M2.5 and M2.5-Lightning

In February 2026 MiniMax released MiniMax-M2.5 together with M2.5-Lightning, a variant that runs at 100 tokens per second. MiniMax said the Lightning version costs $0.3 per million input tokens and $2.4 per million output tokens.

Release

MiniMax releases MiniMax-M2 for coding and agents

In late October 2025 MiniMax released MiniMax-M2, a 230-billion-parameter mixture-of-experts model built for coding and AI agents. It scored 61 on the Artificial Analysis Intelligence Index, which MiniMax said ranked first among open-source models.