Evidence · first-party tested

As table complexity increases to multi-level grouped rows and column hierarchies, the parser loses the ability to preserve structural boundaries, with cells misaligned, merged incorrectly, or lost entirely.

✗ Failed🧾 artifact-verifiedTested Jun 20, 2026Nutrient.io →
Output — unretouched
Scanned table of trees killed per acre by treatment and year.
Scanned table of trees killed per acre by treatment and year.
Output — unretouched
OCR table extraction with treatment, year, and tree-kill totals.
OCR table extraction with treatment, year, and tree-kill totals.
The observation

As table complexity increases to multi-level grouped rows and column hierarchies, the parser loses the ability to preserve structural boundaries, with cells misaligned, merged incorrectly, or lost entirely.

Criterion: Complex Document Handling · Scenario: Scanned Research Paper (group: scanned-research-paper)
Query this
get_evidence({
  tool: "nutrient-io",
  scenario: "scanned-research-paper"
})
MCP · mcp.aidemos.com/api/mcp
Free with attribution.
Same input, other tools
Extend AI ✓ WorkedLanding AI ◐ MixedLlamaParse ✓ WorkedMistral AI ✗ FailedUpstage AI ✗ Failed
Real outputs, no retouching · every cell queryable via API & MCP · aidemos.com