Comprehensive side-by-side LLM comparison
o3-pro offers 234.5K more tokens in context window than GPT-4. GPT-4 is $10.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-4 was created as a large multimodal model capable of accepting image and text inputs while producing text outputs. Developed to exhibit human-level performance on various professional and academic benchmarks, it marked a significant advancement in reliability, creativity, and handling of nuanced instructions compared to its predecessors.
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.
1 year newer

GPT-4
OpenAI
2023-06-13

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

GPT-4

o3-pro
Context window and performance specifications
GPT-4
2022-12-31
o3-pro
2024-05-31
Available providers and their performance metrics

GPT-4
Azure
OpenAI


GPT-4

o3-pro

GPT-4

o3-pro
o3-pro
OpenAI