GPT-o3
OpenAIArena Rank #2
🤖
OpenAI's next-generation reasoning model succeeding o1. Delivers stronger performance on hard reasoning benchmarks.
Specifications
Context Window
200K
Parameters
Undisclosed
Input Price / 1M tokens
$10.00
Output Price / 1M tokens
$40.00
Release Date
April 16, 2025
Arena Rank
#2
Open Source
No
Best For
Advanced reasoningagentic tasksresearch
Pricing (per 1M tokens)
Input
$10.00
Output
$40.00
Compare GPT-o3
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Frequently Asked Questions
What is GPT-o3?▾
OpenAI's next-generation reasoning model succeeding o1. Delivers stronger performance on hard reasoning benchmarks.
How much does GPT-o3 cost?▾
GPT-o3 costs $10.00 per 1M input tokens and $40.00 per 1M output tokens.
What is GPT-o3 best for?▾
GPT-o3 is best for: Advanced reasoning, agentic tasks, research.
Is GPT-o3 open source?▾
No, GPT-o3 is a proprietary model available through OpenAI's API.