Translation · head to head
Microsoft Translator vs OmegaT
Microsoft Translator
Translation
Azure AI Translator, priced at $10 per million characters for standard text translation with volume commitment discounts available
- From
- Free
- Rated
- -
OmegaT
Translation
Free, open source desktop CAT tool under the GPLv3, maintained by a volunteer community rather than a company
- From
- Free
- Rated
- -
The short version
- Each has a real cost: Microsoft Translator published free-tier detail is thinner than Google’s or Amazon’s clearly stated character allowances, making it harder to estimate cost from public documentation alone.; 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.
- They diverge on capability: Microsoft Translator covers Text translation API, OmegaT covers Translation memory.
- Prices and features above were last checked on 1 September 2026.
Where they differ
Only the attributes on which Microsoft Translator and OmegaT actually diverge.
| Attribute | Microsoft Translator | OmegaT |
|---|---|---|
| Pricing model | Per million characters | Open source, no licence fee |
| Platforms | Web, iOS, Android, Windows | Windows, macOS, Linux |
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 Microsoft Translator
- Text translation API
- Document translation
- Speech translation
- Custom Translator
- Microsoft Translator app
- Volume commitment pricing
Only in OmegaT
- Translation memory
- Glossary support
- Wide format support
- Project-based workflow
- Machine translation plugin support
- Cross-platform desktop app
What people use each for
The jobs each tool is most often brought in to do.
Microsoft Translator
- A developer already building on Azure who wants translation billed through the same cloud account as other servicesnot OmegaT
- An enterprise with high, predictable translation volume that negotiates a commitment-tier discountnot OmegaT
- A Microsoft 365 organisation using built-in document and Teams translation without a separate integration projectnot OmegaT
- A team needing speech translation as part of a broader Azure AI Speech deploymentnot OmegaT
OmegaT
- A freelance translator who wants translation memory and fuzzy matching without paying for a Trados or memoQ licencenot Microsoft Translator
- A small language service provider standardising on a free tool for individual translators before investing in a shared TMSnot Microsoft Translator
- A translator working with files from clients using commercial CAT tools, leveraging Okapi’s format support for compatibilitynot Microsoft Translator
- A developer or power user who wants to inspect, modify or extend the tool since it is open source under the GPLv3not Microsoft Translator
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
Microsoft Translator
- Published free-tier detail is thinner than Google’s or Amazon’s clearly stated character allowances, making it harder to estimate cost from public documentation alone.
- Translation quality for major language pairs is broadly comparable to Google Translate and Amazon Translate, so there is little functional differentiation beyond price and Azure ecosystem convenience.
- Commitment-tier discounts require a negotiated minimum spend, so smaller developers without predictable volume do not get Microsoft’s most competitive published rate.
- Custom Translator model training and management add operational complexity beyond simple API calls, requiring parallel training data the buyer must supply and maintain.
- Adopting it while already using a different primary cloud (AWS or Google Cloud) means managing a second cloud billing relationship purely for translation, which is administratively unappealing for some teams.
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.
Pricing, plan by plan
Microsoft Translator
Free- Microsoft Translator (consumer app)Free
- Free text, voice and camera translation
- Azure AI Translator (standard)$10/month
- $10 per million characters translated
- Free tier for limited monthly volume
- Azure AI Translator (commitment tier)$undefined/month
- Discounted per-character rate for a committed minimum monthly volume, quoted by Microsoft
OmegaT
Free- OmegaTFree
- Full CAT tool functionality, GPLv3 licensed
- No paid tier, no vendor support contract available
Which should you pick?
Choose Microsoft Translator if
- You need text translation api.
- You want to start without paying.
- You work on Web, iOS, Android, Windows.
- You also want document translation.
Choose OmegaT if
- You need translation memory.
- You want to start without paying.
- You work on Windows, macOS, Linux.
- You also want glossary support.
Questions people ask
- Is Microsoft Translator or OmegaT better?
- Neither clearly leads. Microsoft Translator starts at Free and OmegaT at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, Microsoft Translator or OmegaT?
- Microsoft Translator starts at Free and OmegaT at Free.
- Does Microsoft Translator or OmegaT run on more platforms?
- Microsoft Translator runs on Web, iOS, Android, Windows. OmegaT runs on Windows, macOS, Linux.
- Can I use Microsoft Translator for free?
- Both have a free tier, so you can try either at no cost before committing.
- What is Microsoft Translator best used for?
- Microsoft Translator is most often used for a developer already building on azure who wants translation billed through the same cloud account as other services, an enterprise with high, predictable translation volume that negotiates a commitment-tier discount, a microsoft 365 organisation using built-in document and teams translation without a separate integration project, a team needing speech translation as part of a broader azure ai speech deployment. Of those, a developer already building on azure who wants translation billed through the same cloud account as other services and an enterprise with high, predictable translation volume that negotiates a commitment-tier discount are not what OmegaT is typically brought in for.
- What can Microsoft Translator do that OmegaT cannot?
- Microsoft Translator covers Text translation API, Document translation, Speech translation, Custom Translator. OmegaT covers Translation memory, Glossary support, Wide format support, Project-based workflow.
Answered from the vendors’ own pages
Microsoft Translator: How does Microsoft’s per-character price compare to Google’s?
Microsoft charges $10 per million characters for standard translation, about half Google’s $20 NMT rate.
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.
Microsoft Translator: Is there a free tier?
Yes, for limited monthly volume, though Microsoft publishes less specific detail on the exact allowance than Google or Amazon do.
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.
Microsoft Translator: Can I get a discount for high volume?
Yes, through commitment-tier pricing negotiated with Microsoft for a minimum monthly spend.
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.
Related pages
More on Microsoft Translator
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