{ "harness": { "name": "Claude Code" }, "builder": { "model_name": "Claude Opus 5", "reasoning_effort": "max" }, "submitting_organization": "τ-bench team", "submission_date": "2026-08-31", "baseline": true, "scores": { "overall": 23.9, "airline": 55.9, "retail": 72.8, "telecom": 48.2, "banking": 5.9 }, "build_time_min": 216.3, "build_cost_usd": 42.0, "serve_credit_ratio": 0.58 }