Comprehensive side-by-side LLM comparison
Both models show comparable benchmark performance. Claude 3.7 Sonnet is available on 4 providers. Both models have their strengths depending on your specific coding needs.
Anthropic
Claude 3.7 Sonnet represents Anthropic's first hybrid reasoning model, capable of producing near-instant responses or extended step-by-step thinking that is visible to users. Developed with particularly strong improvements in coding and front-end web development, it allows users to control thinking budgets and balances real-world task performance with reasoning capabilities for enterprise applications.
OpenAI
o1-pro was developed as an enhanced version of the o1 reasoning model, designed to provide extended reasoning capabilities with greater depth and reliability. Built for professionals and advanced users tackling complex analytical tasks, it offers enhanced thinking time and reasoning quality for the most demanding applications.
2 months newer

o1-pro
OpenAI
2024-12-17

Claude 3.7 Sonnet
Anthropic
2025-02-24
Context window and performance specifications
Average performance across 2 common benchmarks

Claude 3.7 Sonnet

o1-pro
o1-pro
2023-09-30
Available providers and their performance metrics

Claude 3.7 Sonnet
Anthropic
Bedrock
ZeroEval

Claude 3.7 Sonnet

o1-pro

Claude 3.7 Sonnet

o1-pro

o1-pro