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MiniMax M2.1

MiniMax · 2025-12-23 · 228.7B parameters

MiniMax M2.1 is an enhanced version of MiniMax M2, an approximately 230-billion-parameter MoE model activating about 10 billion parameters per token, released in December 2025. It is optimized for agentic software development workflows, adding multilingual code generation support, stronger API and tool integration, improved instruction following, and better performance across continuous coding and agent-driven task execution compared to M2.

Benchmark scores

BenchmarkScore
AA-LCR59.0
AA-LCR v1.167.7
AA-Omniscience Index-32.9
AIME 2024 (avg@8)79.2
AIME 2024-202577.9
AIME 2025 (Artificial Analysis avg@10)82.7
AIME 2025 (avg@8)76.7
ALE-Bench998
Artificial Analysis Omniscience Accuracy21.2
Artificial Analysis Omniscience Hallucination Rate68.5
Artificial Analysis Openness Index27.8
Artificial Analysis Progress Index v1254
BuseyBench SVG4.5
Capability144.1
CaseLaw55.8
CorpFin v258.9
CorpFin v2 - Exact Pages61.3
CorpFin v2 - Max Fitting Context54.3
CorpFin v2 - Shared Max Context61.1
CritPt (avg@5)0.3
Design Arena Overall Code Categories1189
Extended NYT Connections 940 (Quadratic v1)11.2
Extended NYT Connections 940-Puzzle Set22.7
Extended NYT Connections Newest 10024.0
Extended NYT Connections Newest 100 (Quadratic v1)12.8
Fiction.LiveBench - 0 tokens (relevant passages only)87.5
Fiction.LiveBench - 120K tokens21.9
Fiction.LiveBench - 16K tokens52.8
Fiction.LiveBench - 1K tokens75.0
Fiction.LiveBench - 2K tokens77.8
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