OpenAI: GPT-5.1-Codex-Max
openai/gpt-5.1-codex-max
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
Modalities
In / Out Price
$1.25 / $10 per 1M
Context
400K
Released
Dec 4, 2025
Knowledge Cutoff
—
Uptime
Share of successful requests per carrier, measured over the last 5 minutes, 30 minutes and day. When one carrier dips, the router fails over to the next.
Carriers
1
Best carrier, 30m
—
Healthy now
1 / 1
| Provider | Status | Last 5m | Last 30m | Last day |
|---|---|---|---|---|
 Azure | Operational | — | — | 100.00% |