Claude Opus 5.5 vs. GPT-6.1 Sol

Quick Verdict: Route autonomous coding to Claude Opus 5.5 (84.2% SWE-bench Verified), hard scientific reasoning to Claude Opus 5.5 (94.1% GPQA Diamond), and high-volume cost-sensitive workloads to GPT-6.1 Sol.

Claude Opus 5.5 (Anthropic)

94.6 pt

SWE: 84.2% · GPQA: 94.1% · $6.00/1M · Adopt Now

GPT-6.1 Sol (OpenAI)

91.9 pt

SWE: 81.2% · GPQA: 93.2% · $3.50/1M · Adopt Fast Tier

Compare Live on 5-Axis Radar & Cost Calculator