Comprehensive side-by-side LLM comparison
o3-pro offers 167.9K more tokens in context window than GPT-4 Turbo. GPT-4 Turbo is $60.00 cheaper per million tokens. o3-pro supports multimodal inputs. Both models have their strengths depending on your specific coding needs.
OpenAI
GPT-4 Turbo was introduced as an optimized version of GPT-4, designed to provide enhanced performance with improved efficiency and an expanded context window. Built with updated knowledge and refined capabilities, it offered developers a more cost-effective way to leverage GPT-4's advanced reasoning while handling longer conversations and documents.
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 Turbo
OpenAI
2024-04-09

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

GPT-4 Turbo

o3-pro
Context window and performance specifications
GPT-4 Turbo
2023-12-31
o3-pro
2024-05-31
Available providers and their performance metrics

GPT-4 Turbo
Azure
OpenAI


GPT-4 Turbo

o3-pro

GPT-4 Turbo

o3-pro
o3-pro
OpenAI