MiniMax M3 vs o3 Mini
Compare MiniMax M3 by MiniMax against o3 Mini by OpenAI, context windows of 1.0M vs 64K, tested across 52 shared challenges. Updated June 2026.
Which is better, MiniMax M3 or o3 Mini?
MiniMax M3 and o3 Mini are both competitive models. MiniMax M3 costs $0.3/M input tokens vs $1.1/M for o3 Mini. Context windows: 1049K vs 64K tokens. Compare their real outputs side by side below.
Key Differences Between MiniMax M3 and o3 Mini
MiniMax M3 is made by minimax while o3 Mini is from openai. MiniMax M3 has a 1049K token context window compared to o3 Mini's 64K. On pricing, MiniMax M3 costs $0.3/M input tokens vs $1.1/M for o3 Mini.
Per 1M tokens
MiniMax M3 is cheaper on both — 3.7× input, 3.7× output
No community votes yet. On paper, MiniMax M3 has the edge — bigger model tier, newer, bigger context window.
MiniMax M3 is 3.7x cheaper per token — worth considering if cost matters.
Style Comparison
MiniMax M3 uses 115.0x more emoji
