Comprehensive side-by-side LLM comparison
Claude Opus 4 leads with 41.7% higher average benchmark score. Claude Opus 4 is available on 4 providers. Overall, Claude Opus 4 is the stronger choice for coding tasks.
Anthropic
Claude Opus 4 is a multimodal language model developed by Anthropic. It achieves strong performance with an average score of 64.6% across 9 benchmarks. It excels particularly in MMMLU (88.8%), TAU-bench Retail (81.4%), GPQA (79.6%). It supports a 328K token context window for handling large documents. The model is available through 4 API providers. As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2025, it represents Anthropic's latest advancement in AI technology.
OpenAI
o1-pro is a multimodal language model developed by OpenAI. This model demonstrates exceptional performance with an average score of 82.5% across 2 benchmarks. It excels particularly in AIME 2024 (86.0%), GPQA (79.0%). As a multimodal model, it can process and understand text, images, and other input formats seamlessly. Released in 2024, it represents OpenAI's latest advancement in AI technology.
5 months newer
o1-pro
OpenAI
2024-12-17
Claude Opus 4
Anthropic
2025-05-22
Context window and performance specifications
Average performance across 10 common benchmarks
Claude Opus 4
o1-pro
o1-pro
2023-09-30
Available providers and their performance metrics
Claude Opus 4
Anthropic
Bedrock
ZeroEval
Claude Opus 4
o1-pro
Claude Opus 4
o1-pro
o1-pro