GPT-5.3 Codex (xhigh)
GPT-5.3 Codex (xhigh) is developed by OpenAI, released 2026-02-05.
Input price
$1.75 / 1M tok
Output price
$14.00 / 1M tok
Blended price
$4.81 / 1M tok
Intelligence
45.5
Coding
—
Math
—
Speed
128 tok/s
Time to first token
34.39s
Official pricing from OpenAI. Multi-gateway price comparison
(OpenRouter, Together, etc.) is coming soon.
See all of OpenAI's models on its provider page, or browse the full model directory.