GPT-5.6-Sol Beats Fable 5 On Efficiency In Key Coding Benchmarks
Posts on X are circulating benchmark charts that frame GPT-5.6-Sol as cheaper and slightly stronger on software-engineering tasks than Claude/Fable-5.
Posts on X are circulating benchmark charts that claim GPT-5.6-Sol edges out Claude/Fable-5 on coding-agent tests while using fewer tokens and less money per task. A post from @scaling01 framed the comparison as GPT-5.6-Sol "mogging" Fable 5 on two important coding evals, and @rohanpaul_ai added a more specific DeepSWE read: roughly 72% to 73% solved at about $8.40 per task, versus around 70% at roughly $13 to $22 per task for Claude/Fable-5.
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