OpenAI Codex Mini vs MiniMax M1

Compare OpenAI Codex Mini by OpenAI against MiniMax M1 by MiniMax, context windows of 200K vs 1.0M, tested across 9 shared challenges. Updated April 2026.

Which is better, OpenAI Codex Mini or MiniMax M1?

OpenAI Codex Mini and MiniMax M1 are both competitive models. OpenAI Codex Mini costs $1.5/M input tokens vs $0.3/M for MiniMax M1. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.

Key Differences Between OpenAI Codex Mini and MiniMax M1

OpenAI Codex Mini is made by openai while MiniMax M1 is from minimax. OpenAI Codex Mini has a 200K token context window compared to MiniMax M1's 1000K. On pricing, OpenAI Codex Mini costs $1.5/M input tokens vs $0.3/M for MiniMax M1.

Our Verdict
MiniMax M1
MiniMax M1
OpenAI Codex Mini
OpenAI Codex MiniRunner-up

No community votes yet. On paper, MiniMax M1 has the edge — bigger model tier, newer, bigger context window.

MiniMax M1 is 3.6x cheaper per token — worth considering if cost matters.

Too close to call
vs

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OpenAI Codex MiniMiniMax M1

Some models write identically. You are paying for the brand.

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