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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

Runway releases Gen-4.5

On 1 December 2025 Runway released Gen-4.5, a text-to-video model that reached the top of the Artificial Analysis leaderboard at 1,247 Elo, with claimed gains in physics, scene composition, character expression and controllability.