{"observation":{"id":"351eae64-d136-45cf-bf96-05708a002c49","tool":"retab","tool_name":"Retab","criterion":"table-and-record-completeness","criterion_name":"Table & Record Completeness","criterion_definition":"Are all tabular rows (transactions, line items) extracted without merging, duplication, omission, or phantom records?","criterion_evidence_type":"transformation","criterion_rank_role":"decisive","criterion_rank_role_reason":"For document data extraction, missing, merged, duplicated, or phantom rows directly corrupt the structured dataset and break downstream querying. (3 of 3 judges)","scenario":"invoice-pdf","scenario_name":"Invoice PDF","group_tag":"financial-document-extraction","scenario_description":"A 2-page broadcast advertising invoice PDF with 8 line items, complex time/day fields, large dollar amounts, and compliance text, used to test hierarchical line-item extraction and financial validation.","modality":"pdf","input_text":null,"input_artifact_refs":[{"alt":null,"url":null,"role":null,"filename":"Invoice PDF.pdf"}],"stresses":["Nested line-item hierarchy extraction","Multi-page line-item continuity across a page break","Large dollar amount precision and total validation","Parsing time slots, day patterns, and air dates","Extraction of alphanumeric ad IDs and reference codes","Structured metadata mapping for advertiser, station, billing, and remit sections","Political advertising and FCC compliance text recognition"],"verdict":"worked","score":null,"score_total":null,"note":"Reconstructs all 8 advertising line items as separate records without duplication or omission.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/research-media-retab-invoice-extracted-line-items-b376a1b8acd0.png","role":"output","alt":null}],"run_id":"ec4d736d-95f9-4c88-884c-e280435f7b7b","study_title":"Extract and query structured data from documents using natural language","study_kind":"generation","research_task":"86b9y25e5","tested_at":null,"completeness":"output-only","input":{"state":"not-captured","text":null,"files":[],"modality":"pdf","stresses":["Nested line-item hierarchy extraction","Multi-page line-item continuity across a page break","Large dollar amount precision and total validation","Parsing time slots, day patterns, and air dates","Extraction of alphanumeric ad IDs and reference codes","Structured metadata mapping for advertiser, station, billing, and remit sections","Political advertising and FCC compliance text recognition"]},"tool_page_slug":"retab","tool_url":"https://aidemos.com/tools/retab","permalink":"https://aidemos.com/evidence/351eae64-d136-45cf-bf96-05708a002c49","api_url":"https://ai.aidemos.com/v1/observations/351eae64-d136-45cf-bf96-05708a002c49"},"peers":[{"id":"a2dfbd36-ebfc-4d14-ab59-0d615bee1ed4","tool":"datalab","tool_name":"Datalab","verdict":"worked","score":null,"score_total":null,"note":"Keeps all 8 advertising spots as separate line-item records, with the JSON tree showing indices 0 through 7 and no adjacent-row merging.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-datalab-invoice-line-items-d9e385e05d92.png","evidence_url":"https://aidemos.com/evidence/a2dfbd36-ebfc-4d14-ab59-0d615bee1ed4"},{"id":"6af0c5f8-49f9-4f6a-abc9-05b7feff51df","tool":"extend-ai","tool_name":"Extend AI","verdict":"worked","score":null,"score_total":null,"note":"It extracts all eight invoice line items as separate rows, preserving description, airtime, rate, flight period, reference number, and campaign IDs without merging records.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-extendai-extracted-invoice-line-items-a11681b31146.png","evidence_url":"https://aidemos.com/evidence/6af0c5f8-49f9-4f6a-abc9-05b7feff51df"},{"id":"4e54005c-915d-492b-8121-ad1d06573a45","tool":"landing-ai","tool_name":"Landing AI","verdict":"worked","score":null,"score_total":null,"note":"Extracts all 8 advertising line items as separate records, preserving the row count and scheduling structure instead of collapsing the table.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-landing-ai-invoice-extracted-line-items-5af44b5e570e.png","evidence_url":"https://aidemos.com/evidence/4e54005c-915d-492b-8121-ad1d06573a45"},{"id":"b9247b59-eb1e-4af9-be1b-8c3a5de68f1c","tool":"llamaparse","tool_name":"LlamaParse","verdict":"worked","score":null,"score_total":null,"note":"Extracts the invoice line_items table as 8 separate records (indices 0 through 7) without merging adjacent rows.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-llamaparse-invoice-extracted-line-items-eb4fd58a2160.png","evidence_url":"https://aidemos.com/evidence/b9247b59-eb1e-4af9-be1b-8c3a5de68f1c"},{"id":"513d08f7-b8e4-41ad-ad57-d1d53f2bd1ed","tool":"nanonets","tool_name":"Nanonets","verdict":"worked","score":null,"score_total":null,"note":"It extracts all 8 advertising line items as separate records without row merging or duplication.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-docstrange-nanonets-extracted-line-items-5ec513388423.png","evidence_url":"https://aidemos.com/evidence/513d08f7-b8e4-41ad-ad57-d1d53f2bd1ed"},{"id":"81b7587f-2501-40f8-a7d7-b02229b4e3ee","tool":"reducto","tool_name":"Reducto","verdict":"worked","score":null,"score_total":null,"note":"Keeps all 8 invoice line items as separate structured rows without merging adjacent entries.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-reducto-invoice-extracted-line0items-e23fe4fdf946.png","evidence_url":"https://aidemos.com/evidence/81b7587f-2501-40f8-a7d7-b02229b4e3ee"},{"id":"8046a259-1d96-4eda-b1e1-538b98bba040","tool":"unstract","tool_name":"Unstract","verdict":"worked","score":null,"score_total":null,"note":"Carries a line item cleanly across the page break without duplicating or losing the row, showing page-break continuity in the line_items array.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/23a19775078e4e32b6af7a1f632e9536.png?v=1","evidence_url":"https://aidemos.com/evidence/8046a259-1d96-4eda-b1e1-538b98bba040"}],"other_criteria":[{"id":"a764ebf7-c927-4d60-92f5-68838d5361f4","criterion":"extraction-accuracy","criterion_name":"Extraction Accuracy","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"Retains the source label in payment_terms, returning Payment Terms 30 Days instead of only the requested value, so a cleanup step is needed.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/a764ebf7-c927-4d60-92f5-68838d5361f4"},{"id":"545de688-ed6b-41cf-aa4b-3f3edbf02217","criterion":"extraction-accuracy","criterion_name":"Extraction Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Extracts key invoice metadata values as typed fields, including invoice_number 4064621-1, invoice_date 2012-10-28, estimate_number 2968, and order_number 4064621.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/545de688-ed6b-41cf-aa4b-3f3edbf02217"},{"id":"9e5c5bc7-673d-467a-90cc-75c7c06dea40","criterion":"extraction-accuracy","criterion_name":"Extraction Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Carries the financial summary through consistently, including agency_commission 4462.5, aired_spots 8, gross_total 29750, and net_amount_due 25287.5.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/9e5c5bc7-673d-467a-90cc-75c7c06dea40"},{"id":"38fc2de5-4406-486b-9a50-fa39c4b5e88a","criterion":"schema-adherence","criterion_name":"Schema Adherence","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Builds the requested invoice hierarchy with separate invoice_metadata, advertiser, station, account_details, billing_address, remit_address, flight_dates, line_items, and summary objects instead of a flat OCR dump.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/38fc2de5-4406-486b-9a50-fa39c4b5e88a"},{"id":"0768d86c-2233-428d-9d43-a4c32b86f2c2","criterion":"semantic-field-enrichment","criterion_name":"Semantic Field Enrichment","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"Derives scheduling fields beyond raw OCR, including day_of_week Su and days_pattern ------S for a line item, along with air_time, time_slot, and ad_id.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/0768d86c-2233-428d-9d43-a4c32b86f2c2"},{"id":"b78d37af-33a7-4f25-91f5-6a7c39e2f334","criterion":"structural-clean-output","criterion_name":"Structural Clean Output","rank_role":"context","verdict":"mixed","score":null,"score_total":null,"note":"Does not preserve the schema-defined property order, so consumers that rely on key order need an extra formatting pass.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/b78d37af-33a7-4f25-91f5-6a7c39e2f334"}],"appears_in":[{"page_type":"ranking","slug":"document-extraction","title":"Best AI Tools for Extracting Structured Data from PDFs and Business Documents","url":"https://aidemos.com/best/document-extraction","binding":"run"},{"page_type":"tool","slug":"unstract","title":null,"url":"https://aidemos.com/tools/unstract","binding":"run"}],"same_scenario":[{"id":"a2dfbd36-ebfc-4d14-ab59-0d615bee1ed4","tool":"datalab","tool_name":"Datalab","verdict":"worked","score":null,"score_total":null,"note":"Keeps all 8 advertising spots as separate line-item records, with the JSON tree showing indices 0 through 7 and no adjacent-row merging."},{"id":"6af0c5f8-49f9-4f6a-abc9-05b7feff51df","tool":"extend-ai","tool_name":"Extend AI","verdict":"worked","score":null,"score_total":null,"note":"It extracts all eight invoice line items as separate rows, preserving description, airtime, rate, flight period, reference number, and campaign IDs without merging records."},{"id":"4e54005c-915d-492b-8121-ad1d06573a45","tool":"landing-ai","tool_name":"Landing AI","verdict":"worked","score":null,"score_total":null,"note":"Extracts all 8 advertising line items as separate records, preserving the row count and scheduling structure instead of collapsing the table."},{"id":"b9247b59-eb1e-4af9-be1b-8c3a5de68f1c","tool":"llamaparse","tool_name":"LlamaParse","verdict":"worked","score":null,"score_total":null,"note":"Extracts the invoice line_items table as 8 separate records (indices 0 through 7) without merging adjacent rows."},{"id":"513d08f7-b8e4-41ad-ad57-d1d53f2bd1ed","tool":"nanonets","tool_name":"Nanonets","verdict":"worked","score":null,"score_total":null,"note":"It extracts all 8 advertising line items as separate records without row merging or duplication."},{"id":"81b7587f-2501-40f8-a7d7-b02229b4e3ee","tool":"reducto","tool_name":"Reducto","verdict":"worked","score":null,"score_total":null,"note":"Keeps all 8 invoice line items as separate structured rows without merging adjacent entries."},{"id":"8046a259-1d96-4eda-b1e1-538b98bba040","tool":"unstract","tool_name":"Unstract","verdict":"worked","score":null,"score_total":null,"note":"Carries a line item cleanly across the page break without duplicating or losing the row, showing page-break continuity in the line_items array."}]}