Claude Sonnet 5.5 vs. Gemini 3.8 Flash

Quick Verdict: Route autonomous coding to Claude Sonnet 5.5 (82.9% SWE-bench Verified), hard scientific reasoning to Claude Sonnet 5.5 (91.4% GPQA Diamond), and high-volume cost-sensitive workloads to Gemini 3.8 Flash.

Claude Sonnet 5.5 (Anthropic)

92.8 pt

SWE: 82.9% · GPQA: 91.4% · $3.00/1M · Adopt Now

Gemini 3.8 Flash (Google DeepMind)

89.2 pt

SWE: 77.4% · GPQA: 89.6% · $0.30/1M · Adopt High-Speed

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