Claude Sonnet 4.5 vs GPT-5: Claude Wins Coding
A head-to-head comparison finds Anthropic's Claude Sonnet 4.5 outperforms OpenAI's GPT-5 on coding and agentic benchmarks, scoring 77.2% on SWE-bench Verified versus GPT-5's 74.9%, and 50.0% versus 43.8% on Terminal-Benc…