Comprehensive side-by-side LLM comparison
o3 is $90.00 cheaper per million tokens. Both models have their strengths depending on your specific coding needs.
OpenAI
o3 is a multimodal language model developed by OpenAI. It achieves strong performance with an average score of 67.5% across 22 benchmarks. It excels particularly in COLLIE (98.4%), AIME 2024 (91.6%), ARC-AGI (88.0%). It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
OpenAI
o3-pro is a multimodal language model developed by OpenAI. It supports a 300K token context window for handling large documents. The model is available through 1 API provider. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents OpenAI's latest advancement in AI technology.
1 month newer
o3
OpenAI
2025-04-16
o3-pro
OpenAI
2025-06-10
Cost per million tokens (USD)
o3
o3-pro
Context window and performance specifications
Average performance across 22 common benchmarks
o3
o3-pro
o3
2024-05-31
o3-pro
2024-05-31
Available providers and their performance metrics
o3
OpenAI
o3-pro
o3
o3-pro
o3
o3-pro
OpenAI