{"_id": {"$oid": "6a2c86a59ede3a3eff37d4b8"}, "test_id": "T1064", "benchmark": "business_letters", "date": "2026-06-04", "tags": {"document-type": ["letter"], "writing": ["typed", "handwritten"], "century": [20], "language": ["de"], "layout": ["prose"], "entry-type": ["person", "location"], "task": ["information-extraction"]}, "contributors": ["eric_decker", "maximilian_hindermann", "lea_kasper", "anthea_alberto", "pema_frick", "jose_luis_losada_palenzuela", "sorin_marti", "elena_spadini"], "hidden": false, "config": {"provider": "openrouter", "model": "qwen/qwen3.7-plus", "dataclass": "Document", "temperature": 0.0, "role_description": "You are a historian with keyword knowledge and an expert in the field of 20th century Swiss history", "prompt_file": "prompt.txt", "legacy_test": false}, "prompt": "            IDENTITY and PURPOSE:\n\n            You are presented with a series of images constituting a historical letter. Your task is to extract the\n            values of the following keys from the letter and return them in a JSON file where the values\n            corresponding to each key should be stored as a list, even if there is only a single value for a\n            key:\n\n            - letter_title: Title of the letter.\n            - sender_persons: Name(s) of the person(s) who wrote the letter.\n            - send_date: The exact or approximate date the letter was written.\n            - receiver_persons: Name(s) of the person(s) who received the letter.\n\n            Take a deep breath and think step by step about how to best accomplish this goal. Map out all the claims\n            and implications on a virtual whiteboard in your mind. Do not use OCR. Use the ISO format YYYY-MM-DD for\n            dates. If a piece of information is not included in the letter, set the value for the corresponding key\n            to \"null\". Do not return anything except the JSON file.\n\n            EXAMPLE:\n\n            {\n                \"letter_title\": [\"Petition for Environmental Protection\"],\n                \"send_date\": [\"1993-03-12\"],\n                \"sender_persons\": [\"Lisa Simpson\"],\n                \"receiver_persons\": [\"Mayor Joe Quimby\", \"Seymour Skinner\"],\n            }\n\n            OUTPUT:", "results": {"text": "{\"metadata\":{\"send_date\":[\"1932-09-16\"],\"letter_title\":[\"null\"],\"sender_persons\":[\"W. Meile-Welti\"],\"receiver_persons\":[\"Herr Dr. Max V\u00f6gelin\",\"Pr\u00e4s. der Basler Personen-Schifffahrtsgesellschaft\"]}}", "model": "qwen/qwen3.7-plus-20260602", "provider": "openrouter", "finish_reason": "stop", "usage": {"input_tokens": 5634, "output_tokens": 235, "total_tokens": 5869, "input_cost_usd": 0.0022536, "output_cost_usd": 0.00037600000000000003, "estimated_cost_usd": 0.0026296}, "duration": 7.706279754638672, "timestamp": "2026-06-04T09:35:06.961930", "parsed": {"metadata": {"send_date": ["1932-09-16"], "letter_title": ["null"], "sender_persons": ["W. Meile-Welti"], "receiver_persons": ["Herr Dr. Max V\u00f6gelin", "Pr\u00e4s. der Basler Personen-Schifffahrtsgesellschaft"], "document_number": "letter50"}}, "conversation_id": "24f388b2-e6e6-4f00-ba50-56f93b1b2627", "score": {"send_date_tp": 1, "send_date_fp": 0, "send_date_fn": 0, "sender_persons_tp": 1, "sender_persons_fp": 0, "sender_persons_fn": 0, "receiver_persons_tp": 0, "receiver_persons_fp": 2, "receiver_persons_fn": 1}, "raw_response": "{\"id\":\"gen-1780558499-q9Exk6GUYjjcH2fSac5z\",\"choices\":[{\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null,\"message\":{\"content\":\"{\\n  \\\"metadata\\\": {\\n    \\\"send_date\\\": [\\n      \\\"1932-09-16\\\"\\n    ],\\n    \\\"letter_title\\\": [\\n      \\\"null\\\"\\n    ],\\n    \\\"sender_persons\\\": [\\n      \\\"W. Meile-Welti\\\"\\n    ],\\n    \\\"receiver_persons\\\": [\\n      \\\"Herr Dr. Max V\u00f6gelin\\\",\\n      \\\"Pr\u00e4s. der Basler Personen-Schifffahrtsgesellschaft\\\"\\n    ]\\n  }\\n}\",\"refusal\":null,\"role\":\"assistant\",\"annotations\":null,\"audio\":null,\"function_call\":null,\"tool_calls\":null,\"parsed\":{\"metadata\":{\"send_date\":[\"1932-09-16\"],\"letter_title\":[\"null\"],\"sender_persons\":[\"W. Meile-Welti\"],\"receiver_persons\":[\"Herr Dr. Max V\u00f6gelin\",\"Pr\u00e4s. der Basler Personen-Schifffahrtsgesellschaft\"]}},\"reasoning\":\"{\\n  \\\"metadata\\\": {\\n    \\\"send_date\\\": [\\n      \\\"1932-09-16\\\"\\n    ],\\n    \\\"letter_title\\\": [\\n      null\\n    ],\\n    \\\"sender_persons\\\": [\\n      \\\"W. Meile-Welti\\\"\\n    ],\\n    \\\"receiver_persons\\\": [\\n      \\\"Herr Dr. Max V\u00f6gelin\\\",\\n      \\\"Pr\u00e4s. der Basler Personen-Schifffahrtsgesellschaft\\\"\\n    ]\\n  }\\n}\\n```\",\"reasoning_details\":[{\"type\":\"reasoning.text\",\"text\":\"{\\n  \\\"metadata\\\": {\\n    \\\"send_date\\\": [\\n      \\\"1932-09-16\\\"\\n    ],\\n    \\\"letter_title\\\": [\\n      null\\n    ],\\n    \\\"sender_persons\\\": [\\n      \\\"W. Meile-Welti\\\"\\n    ],\\n    \\\"receiver_persons\\\": [\\n      \\\"Herr Dr. Max V\u00f6gelin\\\",\\n      \\\"Pr\u00e4s. der Basler Personen-Schifffahrtsgesellschaft\\\"\\n    ]\\n  }\\n}\\n```\",\"format\":\"unknown\",\"index\":0}]},\"native_finish_reason\":\"stop\"}],\"created\":1780558499,\"model\":\"qwen/qwen3.7-plus-20260602\",\"object\":\"chat.completion\",\"service_tier\":null,\"system_fingerprint\":null,\"usage\":{\"completion_tokens\":235,\"prompt_tokens\":5634,\"total_tokens\":5869,\"completion_tokens_details\":{\"accepted_prediction_tokens\":null,\"audio_tokens\":0,\"reasoning_tokens\":116,\"rejected_prediction_tokens\":null,\"image_tokens\":0},\"prompt_tokens_details\":{\"audio_tokens\":0,\"cached_tokens\":0,\"cache_write_tokens\":0,\"video_tokens\":0},\"cost\":0.0026296,\"is_byok\":false,\"cost_details\":{\"upstream_inference_cost\":0.0026296,\"upstream_inference_prompt_cost\":0.0022536,\"upstream_inference_completions_cost\":0.000376}},\"provider\":\"Alibaba\"}"}, "scoring": {"f1_macro": 0.55, "f1_micro": 0.55, "cost_summary": {"total_input_tokens": 280786, "total_output_tokens": 11229, "total_tokens": 292015, "input_cost_usd": 0.11231440000000006, "output_cost_usd": 0.017966399999999997, "total_cost_usd": 0.1302808}}, "normalized_score": 55.00000000000001}