OCR Arena

OCR Arena

Free playground to compare leading VLMs and OCR models side-by-side on real documents.

69/100MonitorFreeFree

A smart, transparent way to vet OCR models on your own documents. Not a production service, but indispensable for buyers tired of marketing benchmarks. The ELO leaderboard gives real comparative signal, though sample sizes matter.

Best for
  • AI developers evaluating OCR models on real-world documents
  • Researchers benchmarking VLMs on document parsing tasks
  • Product teams choosing an OCR provider based on unbiased performance
  • Hobbyists exploring document AI capabilities for personal projects
Not ideal for
  • Production-grade batch OCR processing at scale
  • Automated document workflows with SLA guarantees
  • Image-to-text extraction for archival or preservation
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Beginner-friendlyWebNo public APIVerified 3d ago
Pricing
Free
FreeFree tier
Learning curve
Beginner-friendly
Runs on
Web
No public API
Live sentiment
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In short

OCR Arena — Free playground to compare leading VLMs and OCR models side-by-side on real documents. Best for AI developers evaluating OCR models on real-world documents, Researchers benchmarking VLMs on document parsing tasks, Product teams choosing an OCR provider based on unbiased performance. Free to use.

Viability Score

69/100
Monitor

How likely is OCR Arena to still be operational in 12 months? Based on 4 signals — momentum (how recently it shipped), wrapper dependency, revenue model, and web presence.

momentum
55
funding runway
40
website health
90
wrapper dependency
100

Last calculated: July 2026

How we score →

Key Features

  • Compare two models side-by-side anonymously
  • Upload documents (PDF, JPEG, PNG)
  • Get a random document to test
  • Vote for the better OCR result
  • Public ELO leaderboard with win rate and battle count
  • Supports vision-language models and OCR models
  • Community-driven model ranking
  • Free to use, no account required
  • Current rankings displayed on homepage
  • Built by Extend, powered by Baseten

About OCR Arena

FreeBeginner-friendlyNo APIWeb

OCR Arena is a free, web-based tool for evaluating vision-language models (VLMs) and OCR engines on document parsing tasks. Users upload or select a random document (PDF, JPEG, PNG), then two anonymous models process it simultaneously. After comparing the outputs, you vote for the better result, contributing to a public ELO leaderboard. The platform is built by Extend and initially launched with 10+ models, powered by Baseten. Unlike static benchmarks, OCR Arena grounds evaluation in real-world documents, letting users test models on their own edge cases. It's ideal for developers, researchers, and teams selecting an OCR solution, offering unbiased, community-driven performance data. The ELO system (K=20, starting at 1500) updates ratings after each vote, rewarding consistent accuracy.

Behind the Verdict

OCR Arena fills a genuine gap: it lets you pit OCR models against each other on your own documents in a blind test. No sign-up, no credit card — just upload and vote. The ELO ranking is a nice touch, but take it with a grain of salt until a model has hundreds of battles. For a quick sanity check on which model handles your messy invoice or handwritten note, this is faster than running individual API calls. Where it falls short: there's no batch processing, no API, and no guarantee models stay up-to-date. It's a comparison tool, not a service you'd use in production. If you need reliable, scalable OCR with SLAs, look at dedicated APIs like Google Cloud Vision or Amazon Textract. But if you're researching or selecting a model, OCR Arena's hands-on approach beats any static benchmark.

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Use Cases

Models Under the Hood

GeminiClaudeGPT-4oLlamaQwenMistralPixtralNousSmolVLM

as of 2026-07-18

Limitations

  • OCR Arena is a free playground, not a production API.
  • It relies on users voting for ratings, so leaderboard accuracy depends on community participation.
  • Model availability depends on Baseten integration and may change over time.

12-month cost

Project the real annual outlay, including the implied monthly cost when only an annual tier is published.

Annual total
Free
Over 12 months
Effective monthly
Free
Billed monthly

Vendor list price only. Add-on usage, seat overages, and contract minimums are surfaced under Hidden costs & gotchas.

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