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Translation · head to head

OmegaT vs Reverso

OmegaT logo

OmegaT

Translation

Free, open source desktop CAT tool under the GPLv3, maintained by a volunteer community rather than a company

From
Free
Rated
-
Full reviewWebsite
Reverso logo

Reverso

Translation

Consumer translation, dictionary and grammar tool with a free tier and a Premium subscription around $6.49 to $9.99 a month

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OmegaT there is no commercial support contract available, so a business relying on it for critical work has only community forums to fall back on when something breaks.; Reverso there is no meaningful volume-priced developer API, so it is not a fit for embedding translation into an application the way Google, Microsoft or Amazon’s APIs are.
  • They diverge on capability: OmegaT covers Translation memory, Reverso covers Context search.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which OmegaT and Reverso actually diverge.

Attributes where OmegaT and Reverso differ
AttributeOmegaTReverso
Pricing modelOpen source, no licence feePer user per month
PlatformsWindows, macOS, LinuxWeb, iOS, Android, Chrome

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Translation).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in OmegaT

  • Translation memory
  • Glossary support
  • Wide format support
  • Project-based workflow
  • Machine translation plugin support
  • Cross-platform desktop app

Only in Reverso

  • Context search
  • Text and document translation
  • Grammar and rephrasing checker
  • Vocabulary trainer
  • Browser extensions
  • Offline mobile access

What people use each for

The jobs each tool is most often brought in to do.

OmegaT

  • A freelance translator who wants translation memory and fuzzy matching without paying for a Trados or memoQ licencenot Reverso
  • A small language service provider standardising on a free tool for individual translators before investing in a shared TMSnot Reverso
  • A translator working with files from clients using commercial CAT tools, leveraging Okapi’s format support for compatibilitynot Reverso
  • A developer or power user who wants to inspect, modify or extend the tool since it is open source under the GPLv3not Reverso

Reverso

  • A language learner wanting real bilingual example sentences alongside a raw translation, not just a single output stringnot OmegaT
  • A translator using context search to check idiomatic usage before finalising a phrasenot OmegaT
  • A student or writer subscribing to Premium for ad-free use, offline access and a grammar checker in one toolnot OmegaT
  • A small business needing occasional document translation within the Pro tier’s 200,000-word annual capnot OmegaT

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

OmegaT

  • There is no commercial support contract available, so a business relying on it for critical work has only community forums to fall back on when something breaks.
  • It lacks the cloud-hosted, real-time collaborative project management features of commercial TMS platforms like memoQ or Smartling.
  • The interface is a Java desktop application with a dated look and feel compared with modern web-based CAT tools, which affects onboarding speed for new users.
  • Release cadence and feature development depend on volunteer contributor availability rather than a company roadmap, so some requested features take a long time to arrive, if ever.
  • Machine translation integration requires configuring third-party API keys (Google, DeepL) separately, adding setup steps a commercial all-in-one tool would handle natively.

Reverso

  • There is no meaningful volume-priced developer API, so it is not a fit for embedding translation into an application the way Google, Microsoft or Amazon’s APIs are.
  • Document translation is capped by annual word count even on paid tiers, ruling it out for high-volume automated translation workloads.
  • It has no on-premises or enterprise-scale deployment option, unlike Systran, so organisations with data residency requirements cannot use it for sensitive content.
  • The free tier is ad-supported and limited on document translation, pushing regular users toward Premium fairly quickly.
  • Context search quality depends on the size and domain coverage of its bilingual corpus, which can thin out for less common language pairs or highly technical terminology.

Pricing, plan by plan

OmegaT

Free
  • OmegaTFree
    • Full CAT tool functionality, GPLv3 licensed
    • No paid tier, no vendor support contract available

Reverso

Free
  • FreeFree
    • Text translation and context search, ad-supported
    • Limited document translation
  • Premium$6.49/month
    • Billed annually; $9.99 if billed monthly
    • Ad-free, 50,000 words/year document translation
    • Premium grammar checker, offline mobile access
  • Pro$19.99/month
    • 200,000 words/year document translation
    • Larger file size support (up to 120MB), more formats

Which should you pick?

Choose OmegaT if

  • You need translation memory.
  • You want to start without paying.
  • You work on Windows, macOS, Linux.
  • You also want glossary support.
OmegaT review

Choose Reverso if

  • You need context search.
  • You want to start without paying.
  • You work on Web, iOS, Android, Chrome.
  • You also want text and document translation.
Reverso review

Questions people ask

Is OmegaT or Reverso better?
Neither clearly leads. OmegaT starts at Free and Reverso at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OmegaT or Reverso?
OmegaT starts at Free and Reverso at Free.
Does OmegaT or Reverso run on more platforms?
OmegaT runs on Windows, macOS, Linux. Reverso runs on Web, iOS, Android, Chrome.
Can I use OmegaT for free?
Both have a free tier, so you can try either at no cost before committing.
What is OmegaT best used for?
OmegaT is most often used for a freelance translator who wants translation memory and fuzzy matching without paying for a trados or memoq licence, a small language service provider standardising on a free tool for individual translators before investing in a shared tms, a translator working with files from clients using commercial cat tools, leveraging okapi’s format support for compatibility, a developer or power user who wants to inspect, modify or extend the tool since it is open source under the gplv3. Of those, a freelance translator who wants translation memory and fuzzy matching without paying for a trados or memoq licence and a small language service provider standardising on a free tool for individual translators before investing in a shared tms are not what Reverso is typically brought in for.
What can OmegaT do that Reverso cannot?
OmegaT covers Translation memory, Glossary support, Wide format support, Project-based workflow. Reverso covers Context search, Text and document translation, Grammar and rephrasing checker, Vocabulary trainer.

Answered from the vendors’ own pages

OmegaT: Is OmegaT really free, with no paid version?

Yes, it is fully free and open source under the GPLv3, with no commercial edition or vendor support contract sold alongside it.

Reverso: Is Reverso a machine translation API for developers?

No, it is a consumer-facing product with no significant developer API business; Google, Microsoft or Amazon are the appropriate choice for embedding translation into an application.

OmegaT: Who maintains OmegaT?

A volunteer open source community, not a company; this differs from MateCat, which is developed and hosted by the company Translated.

Reverso: What is the context search feature?

It shows real bilingual example sentences from translated documents and subtitles alongside a translation, which is useful for checking natural usage rather than a raw one-line output.

OmegaT: Can it open files from Trados or Wordfast?

Yes, via the bundled Okapi Filters plugin, which supports SDLXLIFF, TTX, TXML and many other commercial CAT tool formats.

Reverso: How much document translation do I get on Premium?

50,000 words a year on Premium; the Pro tier raises that to 200,000 words a year with larger file support.

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