MiniMax LLM Big Open weights

MiniMax M3

165 days since MiniMax announced it · 31 May 2026

MiniMax M3 is an open-weights LLM from MiniMax, announced 31 May 2026. It costs $0.30 per 1M input tokens and $1.20 per 1M output tokens. Its context window is 1M tokens. It has 428B parameters.

Input: $0.30; per 1M tokens
Cache write: —; per 1M tokens
Cache read: $0.06; per 1M tokens
Output: $1.20; per 1M tokens
Context window: 1M; tokens
Parameters: 428B; total

Announcement: minimax.io/blog/minimax-m3
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MiniMax releases M3 open-weight model
31 May 2026

MiniMax · Big · M3

open weights

MiniMax M3 31 May 2026

MiniMax releases M3 open-weight model