GPT-5.1 Codex Max
Most capable code model with maximum context
ToolsStructured output
Context window
272K
Max output
128K
Input price
$1.25 /1M
Output price
$10.00 /1M
Available routes
The same GPT-5.1 Codex Max runs on 1 route through the Opper gateway. Each route has its own data-handling posture.
| Provider | Region | Zero data retention | Training | Logging | Contract | Input | Output |
|---|---|---|---|---|---|---|---|
| OpenAI | US | Opt-in | No (opt-in) | Up to 30 days for abuse monitoring on stateless endpoints. Stateful endpoints (Conversations, ChatKit, Vector Stores) retain until deleted. | Enterprise | $1.25 | $10.00 |
Human review: Abuse-flagged only