GPT 5.6 Sol Halves Coding Costs While Matching Previous Performance
jyangballin · x · 2026-08-11
On ProgramBench, while GPT 5.6 Sol's raw test pass rate isn't drastically higher than 5.5, its efficiency has improved significantly. It achieves comparable performance at a fraction of the cost ($6.08 vs. $8.85) and in far fewer turns (42 vs. 82).
Related event: GPT 5.6 Sol Tops ProgramBench, Halving Costs but Showing Python Bias(6 posts)→
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