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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

o3 Pro is OpenAI's high-compute reasoning variant in the o-series, trained with reinforcement learning to perform extended chain-of-thought processing on complex problems.

OpenAI's frontier model for complex professional workloads. 1M token context, text + image input, native computer use.

I/O price /1M

$10.00/$40.00

$5.00/$30.00

Input /1M

$10.00

$5.00

Output /1M

$40.00

$30.00

Cached in /1M

—

$0.5

Context

200K

Δ input since launch

—

Δ output since launch

—

Released

Jun 2025

Apr 2026

Status

—

Provider

OpenAI