GPT-5.1-Codex

by OpenAI · openai/gpt-5.1-codex

GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....

Input / 1M tokens
$1.25
Output / 1M tokens
$10.00
Context
400K

Specs

Input price$1.25 / 1M tokens
Output price$10.00 / 1M tokens
Cached input$0.13 / 1M tokens
Context window400K tokens
Max output128K tokens
Readstext, image
Writestext
Tool callingYes
ReasoningYes
ListedNov 13, 2025

List prices in USD, updated Oct 30, 2026. Providers may charge differently.

Providers

1 provider serves this model, as of Oct 30, 2026, 18:12 UTC.

Providers serving this model, sorted by price
ProviderContextMax outputInput / 1MOutput / 1MCache read / 1MLatency (median)Throughput (median)SupportsStatus
Azure400K128K$1.25$10.00$0.137.76 s77 tok/sNormal

"Cheapest" is the lowest input plus output price; "Fastest" the highest median throughput. Columns empty for every provider are not shown.