{"observation":{"id":"4ecae670-4417-4bc0-98d5-6f6fe27654e0","tool":"nanonets","tool_name":"Nanonets","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":"bank-statement-pdf","scenario_name":"Bank Statement PDF","group_tag":"financial-document-extraction","scenario_description":"A 4-page bank statement PDF with 51 transactions, balances, rewards, and disclaimer text, used to test schema-driven extraction of dense financial tables and multi-page continuity.","modality":"pdf","input_text":null,"input_artifact_refs":[{"alt":null,"url":"https://d3epheqghktydj.cloudfront.net/extract-and-query-structured-data-from-d-bank-statement-pdf-25ec532be6e1.pdf","role":"input","filename":"Bank Statement PDF.pdf"}],"stresses":["Table extraction across 50+ transaction rows","Multi-page continuity with BALANCE FORWARD bridges","Structured metadata vs. free-text transaction descriptions","Numerical accuracy for balances, deposits, withdrawals, and summaries","Nested schema population for account, branch, balances, rewards, and disclaimers"],"verdict":"failed","score":null,"score_total":null,"note":"It undercounts the transaction table, extracting 47 transactions when the statement actually contains 51, so 4 records are missing.","evidence_state":"verified","source":null,"artifacts":[{"url":"https://d3epheqghktydj.cloudfront.net/research-media-docstrange-nanonets-transaction-count-7b5312c3e84a.png","role":"output","alt":null},{"url":"https://d3epheqghktydj.cloudfront.net/research-media-docstrange-nanonets-extracted-total-tran-166ed6f76bd4.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":"input-and-output","input":{"state":"files","text":null,"files":[{"url":"https://d3epheqghktydj.cloudfront.net/extract-and-query-structured-data-from-d-bank-statement-pdf-25ec532be6e1.pdf","filename":"Bank Statement PDF.pdf","alt":"Bank Statement PDF","role":"input"}],"modality":"pdf","stresses":["Table extraction across 50+ transaction rows","Multi-page continuity with BALANCE FORWARD bridges","Structured metadata vs. free-text transaction descriptions","Numerical accuracy for balances, deposits, withdrawals, and summaries","Nested schema population for account, branch, balances, rewards, and disclaimers"]},"tool_page_slug":"nanonets","tool_url":"https://aidemos.com/tools/nanonets","permalink":"https://aidemos.com/evidence/4ecae670-4417-4bc0-98d5-6f6fe27654e0","api_url":"https://ai.aidemos.com/v1/observations/4ecae670-4417-4bc0-98d5-6f6fe27654e0"},"peers":[{"id":"67ba5c20-1ac1-4cad-9a54-eae062a19854","tool":"datalab","tool_name":"Datalab","verdict":"failed","score":null,"score_total":null,"note":"Can attach a transaction to the wrong date when rows are merged, with an 18 Jun 19 withdrawal appearing under a 19 Jun 19 record in the extracted output.","artifact_count":3,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/80135a758c5a4d2aa2187e8af3f050e8.png?v=1","evidence_url":"https://aidemos.com/evidence/67ba5c20-1ac1-4cad-9a54-eae062a19854"},{"id":"3b66a1fa-5d29-4130-8e37-0c4cdc033160","tool":"extend-ai","tool_name":"Extend AI","verdict":"worked","score":null,"score_total":null,"note":"The extractor keeps transaction rows as separate records, and the report says it captured all 51 transactions without merging adjacent rows.","artifact_count":1,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-extend-ai-extracted-transaction-item-4618ec1646be.png","evidence_url":"https://aidemos.com/evidence/3b66a1fa-5d29-4130-8e37-0c4cdc033160"},{"id":"76a18022-79e8-45a6-b3c9-bacd1c8b7330","tool":"landing-ai","tool_name":"Landing AI","verdict":"worked","score":null,"score_total":null,"note":"Preserves the full transaction table as 51 separate statement records, without merging rows or dropping entries.","artifact_count":5,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-landingai-bank-statement-output-d3ff94f60bcb.json","evidence_url":"https://aidemos.com/evidence/76a18022-79e8-45a6-b3c9-bacd1c8b7330"},{"id":"c329f9a0-4d9f-4f20-8307-5ac615a12391","tool":"llamaparse","tool_name":"LlamaParse","verdict":"worked","score":null,"score_total":null,"note":"Extracts the bank statement's rewards section as structured repeated records, including accountNumber, titleDate, scheme, openingBalance, pointsAccrued, pointsRedeemed, adjustments, and closingBalance.","artifact_count":1,"thumbnail":"https://cdn.futuresmart.ai/public/aidemos/85953a3b02bd40a5a4ba50666d72878a.mp4?v=1","evidence_url":"https://aidemos.com/evidence/c329f9a0-4d9f-4f20-8307-5ac615a12391"},{"id":"d7084667-c138-440e-ae8a-85055f890e01","tool":"reducto","tool_name":"Reducto","verdict":"failed","score":null,"score_total":null,"note":"Does not preserve the repeating transaction table faithfully, returning 53 transaction records for a statement that contains 51 transactions.","artifact_count":3,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-reducto-transactions-5f1507b139e2.png","evidence_url":"https://aidemos.com/evidence/d7084667-c138-440e-ae8a-85055f890e01"},{"id":"a0e9e32e-85ea-493d-959a-ab26271ebc7f","tool":"retab","tool_name":"Retab","verdict":"mixed","score":null,"score_total":null,"note":"Overcounts the transaction table summary: total_transactions is 43, while the report says the expected count is 40 after excluding Balance Forward, tax, and charge entries.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/research-media-retab-bank-statement-total-transactions-c378712469f2.png","evidence_url":"https://aidemos.com/evidence/a0e9e32e-85ea-493d-959a-ab26271ebc7f"},{"id":"1355f0ad-f96e-476c-9a0d-ab7e11352c1e","tool":"unstract","tool_name":"Unstract","verdict":"worked","score":null,"score_total":null,"note":"Keeps the transaction table intact across all four pages, with the full 51-row record set present and no merged or dropped rows.","artifact_count":2,"thumbnail":"https://d3epheqghktydj.cloudfront.net/unstract-unstract-bank-statement-output-f0bd422ffa9e.json","evidence_url":"https://aidemos.com/evidence/1355f0ad-f96e-476c-9a0d-ab7e11352c1e"}],"other_criteria":[{"id":"7221fe8c-c484-4e4c-939e-f3570f436861","criterion":"extraction-accuracy","criterion_name":"Extraction Accuracy","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"It accurately fills core statement metadata and balances, including account number 42710540422, opening balance 114453.65, and closing balance 116149.46.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/7221fe8c-c484-4e4c-939e-f3570f436861"},{"id":"842f9614-818a-491f-91d0-1ca3ff89419e","criterion":"extraction-accuracy","criterion_name":"Extraction Accuracy","rank_role":"decisive","verdict":"mixed","score":null,"score_total":null,"note":"It leaves date and value_date blank on multiple transactions even when the source row contains them; the report says 15+ transactions are affected.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/842f9614-818a-491f-91d0-1ca3ff89419e"},{"id":"4b039231-2d8c-4c73-8ccb-1d789b555f37","criterion":"extraction-accuracy","criterion_name":"Extraction Accuracy","rank_role":"decisive","verdict":"failed","score":null,"score_total":null,"note":"It leaves summary.total_transactions null even though the statement has 51 transactions, so the summary count is not extracted as a usable value.","artifact_count":1,"evidence_url":"https://aidemos.com/evidence/4b039231-2d8c-4c73-8ccb-1d789b555f37"},{"id":"86ec5538-27d3-490e-88ab-a30bbd4479e8","criterion":"schema-adherence","criterion_name":"Schema Adherence","rank_role":"decisive","verdict":"worked","score":null,"score_total":null,"note":"It preserves the requested nested schema directly in the output, populating structured objects such as statement, account, balances, transactions, summary, rewards, and disclaimers instead of flattening the document into OCR text.","artifact_count":3,"evidence_url":"https://aidemos.com/evidence/86ec5538-27d3-490e-88ab-a30bbd4479e8"},{"id":"db96ee62-b038-4189-9112-9ff53de816f8","criterion":"semantic-field-enrichment","criterion_name":"Semantic Field Enrichment","rank_role":"decisive","verdict":"failed","score":null,"score_total":null,"note":"It does not populate the derived transaction_type field, leaving it null across the statement instead of classifying deposits and withdrawals.","artifact_count":2,"evidence_url":"https://aidemos.com/evidence/db96ee62-b038-4189-9112-9ff53de816f8"}],"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":"67ba5c20-1ac1-4cad-9a54-eae062a19854","tool":"datalab","tool_name":"Datalab","verdict":"failed","score":null,"score_total":null,"note":"Can attach a transaction to the wrong date when rows are merged, with an 18 Jun 19 withdrawal appearing under a 19 Jun 19 record in the extracted output."},{"id":"3b66a1fa-5d29-4130-8e37-0c4cdc033160","tool":"extend-ai","tool_name":"Extend AI","verdict":"worked","score":null,"score_total":null,"note":"The extractor keeps transaction rows as separate records, and the report says it captured all 51 transactions without merging adjacent rows."},{"id":"76a18022-79e8-45a6-b3c9-bacd1c8b7330","tool":"landing-ai","tool_name":"Landing AI","verdict":"worked","score":null,"score_total":null,"note":"Preserves the full transaction table as 51 separate statement records, without merging rows or dropping entries."},{"id":"c329f9a0-4d9f-4f20-8307-5ac615a12391","tool":"llamaparse","tool_name":"LlamaParse","verdict":"worked","score":null,"score_total":null,"note":"Extracts the bank statement's rewards section as structured repeated records, including accountNumber, titleDate, scheme, openingBalance, pointsAccrued, pointsRedeemed, adjustments, and closingBalance."},{"id":"d7084667-c138-440e-ae8a-85055f890e01","tool":"reducto","tool_name":"Reducto","verdict":"failed","score":null,"score_total":null,"note":"Does not preserve the repeating transaction table faithfully, returning 53 transaction records for a statement that contains 51 transactions."},{"id":"a0e9e32e-85ea-493d-959a-ab26271ebc7f","tool":"retab","tool_name":"Retab","verdict":"mixed","score":null,"score_total":null,"note":"Overcounts the transaction table summary: total_transactions is 43, while the report says the expected count is 40 after excluding Balance Forward, tax, and charge entries."},{"id":"1355f0ad-f96e-476c-9a0d-ab7e11352c1e","tool":"unstract","tool_name":"Unstract","verdict":"worked","score":null,"score_total":null,"note":"Keeps the transaction table intact across all four pages, with the full 51-row record set present and no merged or dropped rows."}]}