GPT-5.1-Codex-Max
by OpenAI
· GPT 5 family · released Nov 18, 2025
Closed
Active
Highest tier of OpenAI's GPT-5.1-Codex coding family, capable of running parallel agents across separate cloud VMs for long-running engineering tasks. Set new highs on SWE-bench Verified.
Pricing
Launch price (from Nov 18, 2025)
$1.25 in / $10.00 out per 1M tokens
Current price (since Nov 18, 2025)
$1.25 in / $10.00 out per 1M tokens
| Tier | Effective | In $/M | Out $/M | Cache $/M | Per image | Per second | Source |
|---|---|---|---|---|---|---|---|
| Standard | Nov 18, 2025 – now | $1.25 | $10.00 | - | - | - | - |