GPT-5.6 sol trails Claude Opus 5 by one point while using far fewer tokens
haider1 · x · 2026-07-26
A benchmark screenshot shows Claude Opus 5 leading DeepSwe, but GPT-5.6 sol is only one point behind while costing less and using nearly half as many output tokens.
The post argues that OpenAI has clearly improved model efficiency, since GPT-5.6 sol delivers near-top performance at a lower cost profile than Opus 5 and Fable 5.
Related event: Claude Opus 5 Leads Coding Benchmark at Higher Cost(3 posts)→
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