prices synced 2026-09-21

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Description
OpenAI's frontier reasoning model with 200k token context, optimized for batch processing of complex problems requiring extended chain-of-thought reasoning.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$1.00/$4.00
$5.00/$30.00
Input /1M
$1.00
$5.00
Output /1M
$4.00
$30.00
Cached in /1M
$0.25
$0.5
Context
200K
1M
Δ input since launch
Δ output since launch
Released
Apr 2025
Apr 2026
Status
Provider
OpenAI
OpenAI