OpenAI: o3 Pro

Public pricingIntelligence 81/100Large memoryVisionRéflexion approfondieOutils

OpenAI: o3 Pro est un modèle multimodal conçu pour raisonnement et analyse multimodaux. Il associe la gestion multimodale des entrées et un raisonnement et une planification poussés, un contexte de 200K tokens et un profil premium pour un travail fiable sur raisonnement et analyse multimodaux.

Input

$20.00/1M

Output

$80.00/1M

Cached

$2.00/1M

Batch

$10.00/1M

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What would o3 Pro cost you?

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1,00010,00050,000250,0001M10M

Technical specifications

o3 Pro at a glance.

Memory

200,000

tokens

Max reply

100,000

tokens

Memory tier

Large

an entire book or large codebase

Tokenizer

tiktoken-o200k

Released

Jun 2025

Training cutoff

Jun 2024

Availability

Public pricing

Status

active

Benchmarks

Quality benchmarks

Independent evaluations from public leaderboards. Higher is better.

  • gpqa_diamond

    84.5

What it can do

Capabilities & limits.

  • Understands images
  • Deep step-by-step thinking
  • Uses tools / calls functions
  • Strict JSON output
  • Streams replies
  • Fine-tunable on your data

When to pick o3 Pro

  • Multi-step reasoning, research agents, or hard math.
  • Screenshot analysis, image understanding, or document OCR.
  • Agentic workflows that call tools or APIs.
  • Long documents, full codebases, or extensive chat histories.

When to look elsewhere

  • Very latency-sensitive, real-time apps where every millisecond counts.

Alternatives

Similar models to compare.

FAQ

o3 Pro — the questions we see most.

Pricing, capabilities, alternatives — generated from the same data that powers the calculator above.

Get instant answers from our AI agent

At a typical workload of 50,000 conversations a month with 1,500-token prompts and 800-token replies, o3 Pro costs roughly $4,700 per month. Input is $20.00 /1M tokens and output is $80.00 /1M tokens.
o3 Pro has a 200,000-token context window (large memory — an entire book or large codebase). That means you can fit about 37,500 words of input and history in a single call.
Beyond text generation, o3 Pro supports understanding images, deep step-by-step reasoning, calling functions / tools, strict JSON output. It streams replies by default.
o3 Pro was released in June 2025, with training data cut off around June 2024.
Models in a similar class include GPT-5.2 Pro, GPT-5 Pro, o1. The "Similar models" section below this FAQ links into each.

Still unsure?

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