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How Transkribus compares to other text recognition APIs.

Every OCR engine handles modern print. The differences show up when you need handwriting recognition, custom models, or EU data residency. Here's a factual comparison to help you evaluate.

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Text recognition API comparison
300+AI models
100+languages and scripts
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Feature comparison

Transkribus vs standard OCR engines

Based on publicly documented features as of May 2025. 'Standard OCR' represents the common capabilities of ABBYY FineReader Server, Google Cloud Vision API, and Microsoft Azure AI Document Intelligence.

FeatureTranskribus APIStandard OCR (ABBYY / Google / Azure)
Modern printed text recognition Yes Yes
Handwritten text recognition (HTR) Yes Limited
Historical handwriting (pre-1900) Yes No
Historical print (Fraktur, blackletter) Yes Limited
Visual editor for training data Yes No
Custom model training (no code) Yes No
Community model library (300+) Yes No
Table recognition Yes Yes
Layout analysis (multi-column, complex) Yes Partial
Named entity recognition Yes Partial
PAGE XML / ALTO XML output Yes No
Long polling (instant results) Yes Partial
EU data residency (GDPR) Yes Partial
Non-profit cooperative governance Yes No
Free tier available Yes Yes

Based on publicly available documentation. Features and pricing may change. Links: Google Cloud Vision · Azure AI Document Intelligence · ABBYY FineReader Server

The handwriting gap — in practice

On modern printed text, all major engines perform well. The difference appears when documents contain handwriting.

Standard OCR on handwritten documents

Submit document

Send a handwritten page to the API

Recognition attempt

Engine designed for print tries to read handwriting

Low-quality output

Garbled text, missing lines, wrong character sequences

Manual correction

Most of the page needs to be retyped from scratch

High manual effort
vs

Transkribus on the same documents

Submit document

Send the same handwritten page

HTR recognition

Model trained on handwriting reads the text

High-quality output

Readable transcription with word-level coordinates

Light spot-check

Fix occasional errors — most of the text is correct

Minimal manual effort

The ecosystem advantage

An API backed by a complete platform

Other APIs give you an endpoint. Transkribus gives you the tools to make the endpoint work for your specific documents. The visual editor lets you create training data. The no-code training pipeline builds custom models. The model library gives you 300+ starting points. And the API serves it all.
Visual editor for creating and correcting training data
No-code model training — upload ground truth, click train, deploy
300+ community models for long-tail scripts and languages
Same API endpoint for out-of-the-box and custom models
Learn about model training
Transkribus editor for training data creation

Data sovereignty

EU-hosted. No US cloud dependencies.

Transkribus is built and hosted in Austria by a European cooperative. Your documents are processed and stored on our own infrastructure — no data leaves the EU, no US cloud provider is involved. For organisations with GDPR obligations or data sovereignty requirements, this matters.
All processing on EU infrastructure (Austria)
No AWS, no Google Cloud, no Azure dependency
Full GDPR compliance — data stays in Europe
Operated by READ-COOP SCE, a European cooperative
EU data sovereignty

Common questions when comparing text recognition APIs

Yes. The Super Models handle modern print, historical print, and handwriting. You can process mixed documents — print and handwriting on the same page — in a single API call.

Train your own. The Transkribus editor lets you create training data visually — transcribe pages alongside the original scan. Then start a training run from the platform. No coding, no ML expertise. Your model deploys to the API automatically.

Both. The new Transkribus API (launching June 2026) supports async processing for batch workloads and long polling for user-facing integrations. You choose the mode per request.

No. All output is in standard formats (PAGE XML, ALTO XML, plain text). Your training data and models are always exportable. Transkribus is operated by a non-profit cooperative — there's no incentive to lock you in.

On-premises deployment is available for enterprise customers with specific security or compliance requirements. Contact our team for details.

Test it on your documents

The best comparison is running your own documents through the API. Start with a free account — no credit card required.

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300+AI models
EU-hostedGDPR-compliant