OpenAI: GPT-5.1-Codex
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....
Modalities
In / Out Price
$1.25 / $10 per 1M
Context
400K
Released
Nov 13, 2025
Knowledge Cutoff
—
Providers
Different carriers host the same model. Reroute routes each request to the best one on price and uptime, and fails over to the next if a carrier goes down.
| Provider | Context | Input /M | Output /M | Cache read /M | Latency | Throughput | Uptime |
|---|---|---|---|---|---|---|---|
 Azure | 400K | $1.25 | $10 | $0.13 | — | — | 100.00% |