GPT-5.6 vs Claude for Building Agents: I Ran the Same Agentic Tasks on Both (Benchmarks + Code)
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After GPT-5.6 shipped on July 9, we spent two weeks running the same agentic workloads on both models. The stated improvement that interested us most: tool-call refusal rate dropping below 4% on GPT-5.6, down from approximately 12% on GPT-5.5. For production agent systems, that single number matter…
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- 2026-08-24 05:26 · DEV Community — AI
GPT-5.6 vs Claude for Building Agents: I Ran the Same Agentic Tasks on Both (Benchmarks + Code)