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Codex Mini

Coding-optimized GPT model for repository edits, reviews, and agentic software work

Model facts

Context window
2K tokens
Maximum output
1K tokens
Cheapest paid input
$1.5 per 1M tokens
Cheapest paid output
$6 per 1M tokens
Open weights
no
Providers
2

Capabilities and modalities

reasoning, tool calling, attachments, text.

Observed price history

  • 2026-08-24: $1.5 input / $6 output per 1M tokens

API providers