Model pricing
OpenAI: GPT-5.1-Codex API Pricing
OpenAI · 400K context
toolsstructured-outputreasoninglong-contextcodingflagship
Provider prices
Pricing across providers
Prices are shown per 1M tokens with cache pricing, source links, observation dates, and confidence labels.
| Provider | Input / Output | Cached | Source | Observed | Confidence |
|---|---|---|---|---|---|
| OpenRouteropenrouter | $1.25 / $10.00 | $0.13 | Source | 2026-05-12 | high |
Same organization
Related models
Other tracked models from OpenAI.