GPT-5.6 Outperforms Sonnet on DeepSWE at Lower Cost
reach_vb · x · 2026-08-16
Benchmarks indicate GPT-5.6 Luna Max scores 13.3 points higher than Sonnet 5 Max on DeepSWE v1.1 while being 44x cheaper. DeepSWE evaluates coding agents on 113 original, long-horizon engineering tasks.
Related event: GPT-5.6 Luna Max Tops Sonnet 5 Max on DeepSWE at 1/44 the Cost(3 posts)→
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