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o1-pro

The o1 series of models are trained with reinforcement learning to think before they answer and perform complex reasoning.

text + image + file → text · made by OpenAI

$150$600per Mtok in / out
OpenAI · 3 sellers

Sold by 5 ways

SellerLaneRate
Microsoft Azure AI cloudbatch$75per Mtok in$300per Mtok outprices.azure.com · read 2026-08-24
Microsoft Azure AI cloudstandard$150per Mtok in$600per Mtok outprices.azure.com · read 2026-08-24
OpenAI apistandard$150per Mtok in$600per Mtok outdevelopers.openai.com · read 2026-08-24
OpenRouter aggregatornot on the seller's list todaybatch$75per Mtok in$300per Mtok outopenrouter.ai · read 2026-08-24
OpenRouter aggregatorstandard$150per Mtok in$600per Mtok outopenrouter.ai · read 2026-08-24

Measured 3 standings

PlaceBoardMetricScore
22ndof 46Enigma eval — Epoch AIAccuracy6.14
33rdof 51Humanity's Last Exam (Epoch AI replication)Accuracy8.12
197thof 244Arc agi — Epoch AIScore (low)23.3

About

o1-pro — a text model from OpenAI, sold by 3 companies from $150 in and $600 out per million tokens, placed 22nd of 46 on Enigma eval — Epoch AI.

It takes text, images and files and returns text, with a context window of 200,000 tokens. It was published in March 2025, trained on material up to September 2023. Its sellers say it can reason step by step. The catalogue files it under reasoning. Three companies sell it. The cheapest is $150 in and $600 out per million tokens at Microsoft Azure AI. Beside the standard rate there is a batch lane. It has been measured on 3 boards, and stands best at 22nd of 46 on Enigma eval — Epoch AI.

Every current figure

Maker
OpenAI
Register
model
Takes
text + image + file
Returns
text
Context
200,000 tokens
Longest answer
100,000 tokens
Published
March 2025
Knowledge to
September 2023
Licence
not read
Sellers
3
Price
$150 in and $600 out per million tokens — Microsoft Azure AI
Boards
3
Best place
22nd of 46 — Enigma eval — Epoch AI

Known as 1 name

openai/o1-pro