Comprehensive side-by-side LLM comparison
o3-pro offers 155.6K more tokens in context window than GPT-4o. GPT-4o is $87.50 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
OpenAI
This updated version of GPT-4o was released with refinements to its multimodal capabilities and improved performance across text, vision, and audio tasks. Built to incorporate learnings from the initial GPT-4o deployment, it enhanced reliability and accuracy while maintaining the seamless cross-modal reasoning that defines the GPT-4o family.
OpenAI
o3-pro was developed as the flagship reasoning model in the o3 family, designed to deliver maximum reasoning depth and reliability for the most challenging analytical tasks. Built for professionals requiring the highest level of thoughtful problem-solving, it extends reasoning capabilities to handle complex multi-step challenges across diverse domains.
10 months newer

GPT-4o
OpenAI
2024-08-06

o3-pro
OpenAI
2025-06-10
Cost per million tokens (USD)

GPT-4o

o3-pro
Context window and performance specifications
o3-pro
2024-05-31
Available providers and their performance metrics

GPT-4o
Azure
OpenAI


GPT-4o

o3-pro

GPT-4o

o3-pro
o3-pro
OpenAI