Compare two models
Select any two models. Input, output, cached, and context rarely move together — the cheaper model on one line isn't always the cheaper one on the next.
Description
OpenAI's lightweight general-purpose model with a 400k token context window, positioned between GPT-5 Nano and the full GPT-5 in the GPT-5 family.
OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.
I/O price /1M
$0.25/$2.00
$5.00/$30.00
Input /1M
$0.25
$5.00
Output /1M
$2.00
$30.00
Cached in /1M
$0.025
$0.5
Context
400K
1M
Δ input since launch
—
—
Δ output since launch
—
—
Released
Aug 2025
Apr 2026
Status
—
—
Provider
OpenAI
OpenAI