{ "harness": { "name": "Codex" }, "builder": { "model_name": "GPT-5.6-terra", "reasoning_effort": "xhigh" }, "submitting_organization": "τ-bench team", "submission_date": "2026-09-01", "baseline": true, "scores": { "overall": 18.0, "airline": 44.5, "retail": 46.6, "telecom": 27.2, "banking": 6.9 }, "build_time_min": 30.0, "build_cost_usd": 7.0, "serve_credit_ratio": 0.38 }