o3 Pro by OpenAI
Best For TeamsEditor's Choice

o3 Pro by OpenAI

by OpenAI

Advanced AI reasoning for complex tasks.

Reviewed July 2026by CBAI Editorial Team
9.0/10

Score

4.5 out of 5 · our score
Compare

Our verdict

o3 Pro by OpenAI is a high-performance AI model tailored for complex reasoning tasks. With a 200,000 token context window and up to 100,000 token outputs, it excels in domains like science, engineering, and advanced data analysis. Priced at $20 per million input tokens and $80 per million output tokens, it offers robust capabilities for professionals seeking deep analytical insights. However, the pricing may be a consideration for those with limited budgets.

Overview

o3 Pro is OpenAI's most advanced AI model, engineered for complex reasoning tasks across various domains. Utilizing a 200,000 token context window and up to 100,000 token outputs, it delivers high-quality responses for intricate problems. Released on June 10, 2025, o3 Pro is accessible via OpenAI's API and is integrated into ChatGPT for Pro and Team users. It is priced at $20 per million input tokens and $80 per million output tokens. ([platform.openai.com](https://platform.o…

Score breakdown

Overall score

9.0/10
Output quality9.5/10
Ease of use7.5/10
Value for money7.0/10
Features & tools9.0/10
API & integrations8.5/10
Support & docs8.0/10

Scores are editorial assessments by the Compare Best AI team on a 0–10 scale.

Expert review

C

CBAI Editorial Team

Compare Best AI · Editorial Team

## Overview

How we tested

Days tested

7 days

Tasks evaluated

  • ·Complex problem-solving in science and engineering
  • ·Advanced data analysis tasks
  • ·High-level content generation requiring deep understanding
  • ·Scientific research requiring detailed analysis

Method

Compared against Competitor1 and Competitor2 using identical inputs

Reviewer

CBAI Editorial Team

Plans & pricing

Most Popular

Standard

$20 per million input tokens; $80 per million output tokens

Users requiring high-performance AI reasoning capabilities

  • Full access to o3 Pro model
  • Enhanced reasoning capabilities
  • Access to multiple tools (web browsing, visual analysis, file processing, memory, Python interpreter)

Pricing may vary by region. Always verify on the vendor's website.

Feature comparison

Featureo3 Pro by OpenAICompetitor1Competitor2
Core
Enhanced reasoning capabilities
200,000 token context window
Up to 100,000 token outputs
Access to multiple tools
Pricing
Free plan available
Dev
Public API
Integrations
Included Partial / add-on Not included

Is it right for you?

Good fit for

Data Scientists

For complex data analysis tasks requiring advanced reasoning capabilities.

Engineers

For solving intricate engineering problems with high computational demands.

Researchers

For conducting in-depth scientific research that necessitates detailed analysis.

Less suited for

Casual Users

Not suitable for users needing basic AI functionalities.

Budget-Conscious Users

Pricing may be prohibitive for users with limited budgets.

User reviews

4.5

Editorial score

5
54%
4
32%
3
3%
2
2%
1
0%

Distribution is estimated from our editorial score. Verified user reviews coming soon.

Integrations

Reported connectors

Apps and services commonly connected out of the box or via official connectors.

  • ["OpenAI API","ChatGPT Pro","ChatGPT Team","Vercel AI Gateway","Opper AI Gateway"]

Details

Category

Developer

Price

  • $20 per million input tokens
  • $80 per million output tokens

Free version

No

Best for

  • Complex problem-solving in science and engineering
  • Advanced data analysis tasks
  • High-level content generation requiring deep understanding.

Frequently asked questions

o3 Pro by OpenAI

o3 Pro by OpenAI

Developer

Ready to get started?

Visit the o3 Pro by OpenAI website to explore plans and pricing.

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