Real ChatGPT answer · index seedFCmfcaSniUccompleteB2B software · AI and automation toolshowto

What is the cheapest tech stack to build a custom AI invoice data extraction pipeline from scratch

ChatGPTgpt-63 queries10/31/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What is the cheapest tech stack to build a custom AI invoice data extraction pipeline from scratch
3 real searches · 1 real-search pass
2026 open source invoice OCR extraction Python PaddleOCR Tesseract Docling documentation pricingGoogle ↗
OBSERVEDComparison
Ollama official documentation local model API license open source 2026Google ↗
OBSERVEDOther / navigational
Supabase pricing free tier official 2026Google ↗
OBSERVEDOther / navigational

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (3)
Short factOther / navigational67%Comparison33%ConsequenceReasonDefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 3 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT3 real searches · gpt-6
2026 open source invoice OCR extraction Python PaddleOCR Tesseract Docling documentation pricing Google ↗
Ollama official documentation local model API license open source 2026 Google ↗
Supabase pricing free tier official 2026 Google ↗

Queries

3 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
2026 open source invoice OCR extraction Python PaddleOCR Tesseract Docling documentation pricing
OBSERVED
Google ↗
AI Mode ↗
—Comparison——1x
of 1
Ollama official documentation local model API license open source 2026
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1
Supabase pricing free tier official 2026
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1