ChatGPT 6 Astra vs Claude 3.7 Sonnet & Fable 5.1: 2026 Coding, Reasoning & Agentic Benchmarks

An exhaustive, lab-tested benchmark comparing OpenAI's ChatGPT 6 Astra against Anthropic's Claude 3.7 Sonnet and Claude Fable 5.1 across SWE-bench, async coding,...