Modelpeers

ModelOpenAI · Joined Jun 10, 2025

o3-pro

Model at OpenAI

Coming up Dec 11, 2026, in 40 days: GPT-5 and o3 snapshots to shut down December 11
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o3-pro does not have a researched profile yet. Everything here comes from its recorded changes and public listings, each linked to its source.

The basics

As of Nov 1
Status
Available
Price
$20 in, $80 outPer 1M tokens, since Jun 10
Context
200K tokens
Open weights
No

Updates

Retiring

GPT-5 and o3 snapshots to shut down December 11

The August 2025 GPT-5, GPT-5 mini, GPT-5 nano, GPT-5 Pro, o3 and o3-pro snapshots will be removed on December 11, 2026, with GPT-5.6 Sol, Terra or Luna as replacements.

Takes effect Dec 11, 2026 · in 40 days

Action needed:
Migrate to the listed GPT-5.6 replacement before December 11, 2026.
Full changelog, by month

Role

Reasoning model at OpenAI

  1. o3-proCurrent

    Jun 2025 to now · 1 year 5 months
  2. o1-proMar 2025 to Jun 2025 · 3 months

Similar models

o3

$2 in, $8 out

Similar models for now. Real viewing data comes after launch.

Cost vs peers

Most expensive of 2 similar models by output price.

  • o3$8 out · $2 in
  • o3-pro$80 out · $20 in

Standard API rates for uncached input on the shortest prompts, from each maker's pricing page, or from models.dev for models not researched here yet.

Where it works

PlacePrice per 1M tokens, in / outUptime
OpenAI$20 / $80

Prices and uptime are OpenRouter's figures for each provider's cheapest endpoint. Uptime covers the last 24 hours.

Benchmarks

Higher is better. Green is o3-pro. Dark marks are similar models.

Independent

What people say

Reviews

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