AI Model Release Tracker

o3-pro

Released

o3-pro is an AI model released by OpenAI on Tuesday, Jun 10 2025, 55 days after o4-mini-high.

API pricing

InputWhat you pay for everything you send the model — your question, plus any documents or earlier conversation you include with it.
$20.00
OutputWhat you pay for the text the model writes back. It is normally the dearer half: producing an answer costs more than reading one.
$80.00
  • Reasoning or thinking is supported.
USD per 1M tokensEvery price here is for one million tokens. A token is roughly three-quarters of a word, so a million tokens is about 750,000 words of text.Verified August 18, 2026Read from developers.openai.com. Click the check to open the source.

Available from

OpenAI$20.00$80.00200K
USD per 1M tokensEvery price here is for one million tokens. A token is roughly three-quarters of a word, so a million tokens is about 750,000 words of text.Checked October 18, 2026Third-party rates from openrouter.ai, not the lab’s own list price.

Compare o3-pro with

o3-pro

Suggested comparisons

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Frequently asked questions

o3-pro was released by OpenAI on Tuesday, Jun 10 2025.

All OpenAI releases

47 tracked

2022

1 release
GPT-3.5
Nov 30 2022