Sonnet 5.5 called a bad release as GPT-6.1 sol scores higher at 33% lower cost
haider1 · x · 2026-09-30
Citing Artificial Analysis Intelligence Index data, haider1 argues Sonnet 5.5 is a bad release: at medium effort it scored 41 using 19k output tokens vs GPT-6.1 sol's 48 at 8k; at high effort 47/34k vs 50/13k. Cost per task: $0.72 for 6.1 sol max vs $1.08 for Sonnet 5.5 high — 33% cheaper while scoring higher.
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