AI invoice and document extraction: your own system instead of ABBYY and Rossum
We build a system that reads invoices, receipts, forms and statements with a model, double-checks itself and exports the data into your accounting system. You pay cents per document for the model’s work instead of paying for page bundles and annual floors.
- $0.02–$0.04 per document instead of $0.16–$1.80
- First document type live in 6–10 weeks
- The code and data are yours
ABBYY
Rossum
Veryfi
Nanonets
Mindee
Docparser
Hypatos
Formstack
Veryfi’s unit rate versus direct model inference, before the vendor’s $500/mo floor and commitment terms. Against Rossum’s $18,000 annual floor or Nanonets’ per-block pricing, the gap is an order of magnitude wider.
Why you are overpaying
Invoice, receipt, form and statement capture (OCR and IDP).
Of all small and mid-market software, this is the clearest case for replacement. The category exists because reading a document used to take template engineering, per-vendor training sets and a specialist vendor. Modern vision-language models read an invoice layout they have never seen correctly on the first pass, without any template. Vendor pricing hasn’t changed to reflect that.
What the extraction itself costs
A typical invoice page sends a vision model roughly 2,000–3,000 input tokens and gets back 300–600 tokens of structured data. At current mid-tier prices that is under $0.02 per document, and closer to $0.01 on the cheap tier. Add 2–3× for a second validation pass, confidence scoring and the occasional retry, and the realistic all-in cost is $0.02–$0.04 per document.
Why it works here
- There is no network effect. Nobody outside your company touches the extractor, so you have no counterparty to coordinate with and no ecosystem to leave.
- On accuracy, the model has moved from comparable to ahead. Template-based tools get worse on layouts they haven’t seen, while a model generalises. You give up a tuned system with a high ceiling and get a robust one with a high floor.
- Most of the cost is the floor. At 800 documents a month, Rossum’s $18,000/yr and Veryfi’s $500/mo work out to $1.87 and $0.63 per document, which is 50× and 20× the model cost.
- Once you own a document pipeline, you can build on it: the same pipeline feeds invoice coding, contract review and reporting.
- Document intake from email and uploads, extraction by a vision model, a second validation pass and confidence scoring
- The review screen: a queue ordered by confidence, corrections, and a log of who changed what
- Export into your accounting system and other tools through their APIs
- Your accounting system: the pipeline writes into it through the API instead of replacing it
Where the vendors earn their money
Beyond extraction, what the incumbents really sell is the human review interface: the validation screen, the queue sorted by confidence, the audit trail of who corrected what. Building that interface is real work, and it is where most in-house attempts underestimate the scope. We budget for it as its own line item instead of treating extraction accuracy as the whole job.
Build economics
Indicative ranges for a production system rather than a prototype: authentication, audit log, error handling, monitoring and a usable admin are included. Build assumes AI-assisted delivery by a senior team. Run cost covers inference, hosting, monitoring and maintenance, but not new features.
How the project goes
- 01
SaaS audit
Identify which tools have the highest cost-to-utility ratio.
- 02
The 80/20 parity
Instead of aiming for 100% feature parity, build the 20% of features your team uses 80% of the time.
- 03
Context-first architecture
Design the system around your data (vector databases + RAG) so the AI understands your jargon, clients, and history from day one, and organize it around workflows rather than apps.
- 04
An AI-native operating model
Plan governance, risk controls, human oversight, data readiness, and team structure as part of the strategy instead of leaving them for cleanup after launch.
- 05
Phased decommissioning
Run the custom tool in parallel with the SaaS for 30 days before cutting the subscription.
Cases
Here goes a project in this category: the task, what we built and the before/after figures.
Here goes a project in this category: the task, what we built and the before/after figures.
Questions about this replacement
The model’s work is under $0.02 per invoice page. With headroom for a second validation pass, confidence scoring and retries, it comes to $0.02–$0.04 per document at any volume. For comparison, Veryfi charges $0.16 per invoice with a $500 monthly minimum, and Rossum has an $18,000 annual floor.
Let’s size this for your company
Tell us which tool you pay for and roughly what volumes you handle. We’ll come back with an honest estimate and tell you if switching to another vendor makes more sense than building.
