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GPT-5.1 Codex
ActiveCodex GPT for repository edits, code review, and practical software agents
View current API pricing for this model
Input, output, and cached rates with source and verification time, plus same-workload cost examples.
Input / 1M tokens
$1.25
Output / 1M tokens
$10.00
Record updated 2026-10-05
Modality:LLM
Context:400,000 tokens
Release:Nov 13, 2025
Pricing
Platform
Scope
Input
Output
Details
Official
Standard
$1.25
$10.00
400k context · 128k max output
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