{ "harness": { "name": "Claude Code" }, "builder": { "model_name": "Claude Sonnet 5", "reasoning_effort": "max" }, "submitting_organization": "τ-bench team", "submission_date": "2026-09-02", "baseline": true, "scores": { "overall": 14.9, "airline": 41.9, "retail": 50.2, "telecom": 21.1, "banking": 3.2 }, "build_time_min": 235.5, "build_cost_usd": 30.0, "serve_credit_ratio": 0.76 }