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Data from public sources. May not reflect real-time pricing.

OpenAIMay 16, 2025

Codex Mini

Codex Mini is a fine-tuned version of o4-mini specifically for use in Codex CLI.

Context Window
200K
tokens
Max Output
100K
tokens
Released
May 16, 2025
Arena Rank
—

Capabilities

👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation

Pricing Comparison

RouterInput / 1MOutput / 1MCached Input / 1M
Vercel AI$1.50$6.00—

Model IDs

Tags

reasoningvisionfile-inputtool-useimplicit-caching
Compare with another model

Compare with…

GPT-5.1 InstantGPT 5.1 ThinkingGPT 5.2 Codex

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