Nanonets review — ai document processing & ocr

last reviewed 24 march 2026
how we review

We start with direct ratings from our readers, then look at what real users are saying in practitioner forums and community spaces. We pair that with search demand data and profession-level persona analysis.

full methodology →

Editorial note: this was originally published in august of 2024

quick take

  • Best for: finance teams processing standard invoices at predictable volume
  • Skip if: your documents are handwritten, non-standard, or you need self-service setup
  • £Best value: Starter pay-as-you-go at $0.30/doc for low-to-mid volume testing
½3.5/ 5 — editorial rating

based on real user feedback, community sentiment, pricing value, and fit for target audience. see our full methodology

used Nanonets? we'd love to know your thoughts

reader ratings shape our score

Nanonets is an AI-powered platform that automates document processing and data extraction for businesses. The software uses optical character recognition (OCR) and machine learning to transform unstructured documents into organized, usable data.

Founded in 2017, the platform helps organizations across finance, healthcare, logistics, and retail sectors streamline their workflows. It processes invoices, receipts, and contracts while extracting key information like dates, amounts, and other data points. The system supports multiple file formats including PDF, JPG, PNG, TIFF, and DOCX.

The system integrates with existing business tools like Zapier, Salesforce, and QuickBooks, and adapts to specific needs through customizable workflows. Users can train custom machine learning models by uploading sample documents and labeling data fields. The AI models continuously learn from new data inputs to improve accuracy over time.

Users can access Nanonets through different pricing tiers, from a pay-as-you-go starter option at $0.30 per unit to enterprise-level packages with dedicated support and custom integrations. Major corporations like Toyota and Roche use it for tasks like invoice processing, patient records management, shipment tracking, and inventory management.

how popular is Nanonets?

monthly search interest

1.9k/mo now

02.3k4.6k7k2023202420252026
peak interest7k/moApr 2023
searches now2k/moFeb 2026
1-month change21%vs prev month

Nanonets had a sharp spike to 6,600 searches in April 2023 that looks like a single viral moment rather than sustained growth, and the tool has since settled into a range of 1,900 to 2,900 monthly searches. That plateau suggests a stable niche audience rather than a growing one: the hype has passed, so you're evaluating the real product now, not a moment of buzz.

who is Nanonets for?

Whether Nanonets is worth it depends almost entirely on what kinds of documents you're processing and how predictable your volume is. Pick your role below to see the honest breakdown for your situation.

overall sentiment

select your role to see what people like you are saying

Finance Manager

positive

If you're processing a steady flow of standard invoices and receipts, Nanonets earns its keep. OCR accuracy on structured documents is high, and the time savings on repetitive data entry are real. The pricing model changed in January 2025, so get a volume quote before scaling up: at high document counts, costs can outpace the efficiency gain.

strengths

  • High OCR accuracy for standard invoices and receipts
  • Substantial time savings on repetitive data entry tasks
  • Quick implementation and deployment
  • Reliable customer support for troubleshooting

concerns

  • Pricing scales poorly with high document volume
  • Requires manual verification for complex or unusual invoice formats
  • Processing speed degrades with large batch submissions

what users are saying

If your documents are messy, handwritten, or highly variable, you'll spend more time on manual verification than the tool saves you.

Community review data for Nanonets is thin on the ground from independent sources. What's available through commercial review platforms points to a tool that works well for standard, high-volume document types like invoices and receipts, but struggles when documents get complex. The most consistent criticism across review platforms centres on accuracy with handwritten text and non-standard formats, pricing that scales poorly as document volume grows, and setup complexity that often requires IT involvement rather than self-service. Users processing straightforward AP workflows tend to rate it positively; users dealing with mixed document types or edge cases report needing to build verification steps back into the process, which undermines the automation value proposition. A comparison review from a competitor's blog lists Nanonets fourth of six financial data extraction tools, behind Heron, Veryfi, and DocuClipper, which suggests it's a credible option but not the first recommendation even among specialist reviewers.

Our take: Nanonets is a legitimate document automation tool with real OCR accuracy for structured documents, but the pricing model changed in January 2025 and the new pay-per-block workflow pricing makes it hard to predict costs at scale. If you're processing a predictable volume of standard invoices, the $0.30 per unit starter rate is reasonable to test. If your documents are messy, handwritten, or highly variable, you'll spend more time on manual verification than the tool saves you. For pure AP automation in a mid-size finance team, it's worth trialling. For anything broader or more complex, look at Rossum or ABBYY before committing.

features

  • AI-Powered OCR and Data Extraction: Extracts data from PDFs, images, and emails using optical character recognition and deep learning models, handling multiple formats including PDF, JPG, PNG, TIFF, and DOCX.
  • Custom Model Training: Train custom machine learning models by uploading sample documents and labeling data fields, with no coding required through the drag-and-drop dashboard interface.
  • Automated Workflow Creation: Set up automated workflows for document classification, data extraction, validation, and processing with real-time analytics and batch processing capabilities.
  • Third-Party Integrations: Connect with business tools like Zapier, Salesforce, and QuickBooks, plus flexible API access for custom integrations with enterprise software.
  • Multi-Format Document Support: Process invoices, receipts, contracts, and forms across PDF, JPG, PNG, TIFF, and DOCX formats.
  • Auto-Capture Tables and Fields: Automatically capture table data and extract unlimited fields from documents, with email forwarding options for document submission.
  • Real-Time Analytics: Monitor document processing performance with real-time analytics dashboards, tracking accuracy rates and processing volumes across your workflows.

pricing

  • Starter Plan offers a pay-as-you-go option with no monthly fee, processing documents at $0.30 per unit, with unlimited fields, auto-capture tables, and self-setup.
  • Pro Plan includes the ability to add team members, automatic data capture, annotation tools, data export options, and email support.
  • Enterprise Plan provides custom-priced solutions with features like SSO, SAML, SLAs, a dedicated account manager, and custom integrations.
  • New users can start for free with $200 in credits to test the platform before committing to paid plans.

frequently asked questions

The Starter plan at $0.30 per document is a fair entry point if you're processing a modest, predictable volume of standard documents. The problem is that the January 2025 pricing change moved to a per-block workflow model, which makes costs harder to forecast. If you're running high-volume or multi-step workflows, get a volume pricing quote from their sales team before committing. Without that conversation, you risk a bill that surprises you at end of month.

Finance managers processing standard invoices and receipts get the clearest value: high OCR accuracy on structured documents, fast implementation, and measurable time savings on data entry. Small business owners with straightforward document flows can use the pay-as-you-go tier without a monthly commitment. Operations managers and healthcare administrators can use it effectively, but both need IT involvement to set it up and ongoing verification workflows to handle edge cases.

Accuracy drops noticeably with handwritten documents and non-standard formats. This isn't a minor caveat: if a meaningful share of your documents fall into those categories, you're rebuilding a manual verification step alongside the automation. Setup also requires technical knowledge; it's not a plug-and-play tool for a non-technical team. And the pricing model, post-January 2025, adds cost unpredictability for complex multi-step workflows.

Rossum is purpose-built for invoice processing in enterprise finance teams and has stronger out-of-the-box accuracy on complex, multi-language documents. If you're in a large finance team processing high document volume with strict accuracy requirements, Rossum is the safer choice. Nanonets is the better fit if you need flexibility across multiple document types, want API access to build custom workflows, or are a smaller operation that doesn't need Rossum's enterprise pricing tier.

It can process patient forms and insurance documents with solid efficiency gains, and the API lets you integrate with existing healthcare systems. The concern is that compliance configuration isn't automatic: you need to actively set up and verify that your data handling meets HIPAA or equivalent requirements. For patient-facing data, manual verification is still necessary on complex or handwritten sections, which limits how far you can automate without human oversight in the loop.

Nanonets in our guides

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