{"_id": {"$oid": "6a26c67c3572c06bc1455da8"}, "test_id": "T0997", "benchmark": "business_letters", "date": "2026-04-21", "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": "google/gemma-4-26b-a4b-it", "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\":[\"1958-11-24\"],\"letter_title\":[\"Die Besprechung mit den Herren Direktor Ritter und Ing. Ryniker betr. Darlehen der Basler Personenschiffahrtsgesellschaft findet n\u00e4chsten Montag, den 26. ds. 14\u00bd Uhr auf meinem Bureau statt.\"],\"sender_persons\":[\"Dr. Max Vischer\"],\"receiver_persons\":[\"Herrn A. Oettinger\"]}}", "model": "google/gemma-4-26b-a4b-it-20260403", "provider": "openrouter", "finish_reason": "stop", "usage": {"input_tokens": 632, "output_tokens": 123, "total_tokens": 755, "cached_tokens": 352, "input_cost_usd": 5.056e-05, "output_cost_usd": 4.305e-05, "estimated_cost_usd": 9.360999999999999e-05}, "duration": 4.062632322311401, "timestamp": "2026-04-21T13:41:26.271376", "parsed": {"metadata": {"send_date": ["1958-11-24"], "letter_title": ["Die Besprechung mit den Herren Direktor Ritter und Ing. Ryniker betr. Darlehen der Basler Personenschiffahrtsgesellschaft findet n\u00e4chsten Montag, den 26. ds. 14\u00bd Uhr auf meinem Bureau statt."], "sender_persons": ["Dr. Max Vischer"], "receiver_persons": ["Herrn A. Oettinger"], "document_number": "letter58"}}, "conversation_id": "76c671ba-2e38-4da6-ae2b-eda1f22c36b1", "score": {"send_date_tp": 0, "send_date_fp": 1, "send_date_fn": 1, "sender_persons_tp": 1, "sender_persons_fp": 0, "sender_persons_fn": 0, "receiver_persons_tp": 1, "receiver_persons_fp": 0, "receiver_persons_fn": 0}, "raw_response": "{\"id\":\"gen-1776771682-o9XgUfT5m73G6wOauzgh\",\"choices\":[{\"finish_reason\":\"stop\",\"index\":0,\"logprobs\":null,\"message\":{\"content\":\"{\\n    \\\"metadata\\\": {\\n        \\\"send_date\\\": [\\\"1958-11-24\\\"],\\n        \\\"letter_title\\\": [\\\"Die Besprechung mit den Herren Direktor Ritter und Ing. Ryniker betr. Darlehen der Basler Personenschiffahrtsgesellschaft findet n\u00e4chsten Montag, den 26. ds. 14\u00bd Uhr auf meinem Bureau statt.\\\"],\\n        \\\"sender_persons\\\": [\\\"Dr. Max Vischer\\\"],\\n        \\\"receiver_persons\\\": [\\\"Herrn A. Oettinger\\\"]\\n    }\\n}\",\"refusal\":null,\"role\":\"assistant\",\"annotations\":null,\"audio\":null,\"function_call\":null,\"tool_calls\":null,\"parsed\":{\"metadata\":{\"send_date\":[\"1958-11-24\"],\"letter_title\":[\"Die Besprechung mit den Herren Direktor Ritter und Ing. Ryniker betr. Darlehen der Basler Personenschiffahrtsgesellschaft findet n\u00e4chsten Montag, den 26. ds. 14\u00bd Uhr auf meinem Bureau statt.\"],\"sender_persons\":[\"Dr. Max Vischer\"],\"receiver_persons\":[\"Herrn A. Oettinger\"]}},\"reasoning\":null},\"native_finish_reason\":\"stop\"}],\"created\":1776771682,\"model\":\"google/gemma-4-26b-a4b-it-20260403\",\"object\":\"chat.completion\",\"service_tier\":null,\"system_fingerprint\":null,\"usage\":{\"completion_tokens\":123,\"prompt_tokens\":632,\"total_tokens\":755,\"completion_tokens_details\":{\"accepted_prediction_tokens\":null,\"audio_tokens\":0,\"reasoning_tokens\":0,\"rejected_prediction_tokens\":null,\"image_tokens\":0},\"prompt_tokens_details\":{\"audio_tokens\":0,\"cached_tokens\":352,\"cache_write_tokens\":0,\"video_tokens\":0},\"cost\":0.0000948,\"is_byok\":false,\"cost_details\":{\"upstream_inference_cost\":0.0000948,\"upstream_inference_prompt_cost\":0.0000456,\"upstream_inference_completions_cost\":0.0000492}},\"provider\":\"Parasail\"}"}, "scoring": {"f1_macro": 0.49, "f1_micro": 0.5, "cost_summary": {"total_input_tokens": 47026, "total_output_tokens": 4596, "total_tokens": 51622, "input_cost_usd": 0.0037620799999999975, "output_cost_usd": 0.0016085999999999993, "total_cost_usd": 0.005370679999999999}}, "normalized_score": 49.0}