OpenAI Codex Mini vs GLM 4.7 Flash

Compare OpenAI Codex Mini by OpenAI against GLM 4.7 Flash by Zhipu AI, context windows of 200K vs 200K, tested across 10 shared challenges. Updated April 2026.

Which is better, OpenAI Codex Mini or GLM 4.7 Flash?

OpenAI Codex Mini and GLM 4.7 Flash are both competitive models. OpenAI Codex Mini costs $1.5/M input tokens vs $0.07/M for GLM 4.7 Flash. Context windows: 200K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between OpenAI Codex Mini and GLM 4.7 Flash

OpenAI Codex Mini is made by openai while GLM 4.7 Flash is from zhipu. OpenAI Codex Mini has a 200K token context window compared to GLM 4.7 Flash's 200K. On pricing, OpenAI Codex Mini costs $1.5/M input tokens vs $0.07/M for GLM 4.7 Flash.

Our Verdict
OpenAI Codex Mini
OpenAI Codex Mini
GLM 4.7 Flash
GLM 4.7 Flash

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

GLM 4.7 Flash is 15x cheaper per token — worth considering if cost matters.

Too close to call
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OpenAI Codex MiniGLM 4.7 Flash

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