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Claude Sonnet 4.5 vs GPT-5.2 (Thinking)

80 head-to-head matchups on identical queries

Claude Sonnet 4.5

8.40

8 Wins 33 Ties 39 Losses

VS

GPT-5.2 (Thinking)

8.71

39 Wins 33 Ties 8 Losses

Metric-by-Metric Comparison