{ "harness": { "name": "Codex" }, "builder": { "model_name": "GPT-5.6-sol", "reasoning_effort": "xhigh" }, "submitting_organization": "τ-bench team", "submission_date": "2026-08-31", "baseline": true, "scores": { "overall": 22.0, "airline": 49.8, "retail": 59.2, "telecom": 32.9, "banking": 9.0 }, "build_time_min": 47.9, "build_cost_usd": 18.2, "serve_credit_ratio": 0.45 }