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Translation · head to head

Google Translate vs Sonix

Google Translate logo

Google Translate

Translation

Free consumer translation app and website, backed by the paid Cloud Translation API priced per million characters

From
Free
Rated
-
Full reviewWebsite
Sonix logo

Sonix

Translation

Automated transcription and translation with per-hour pricing published up front

From
$10/month
Rated
-
Full reviewWebsite

The short version

  • Only Google Translate has a free tier, so it costs nothing to try first.
  • Each has a real cost: Google Translate the free consumer app and the metered developer API are commercially separate products despite sharing branding, which confuses buyers evaluating cost for an integration project.; Sonix monthly hour allowances are small relative to the subscription price: the $25 Core plan includes five hours, which at the published $10 overage rate means the subscription is only worth buying for storage and features rather than for the hours.
  • They diverge on capability: Google Translate covers Text translation, Sonix covers Automated transcription.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which Google Translate and Sonix actually diverge.

Attributes where Google Translate and Sonix differ
AttributeGoogle TranslateSonix
Starting priceFree$10/month
Pricing modelPer million charactersPer hour of transcription
Free tierYesNo
PlatformsWeb, iOS, Android, ChromeWeb, API

Identical on both: 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 Google Translate

  • Text translation
  • Real-time conversation mode
  • Camera translation
  • Document upload
  • Cloud Translation API
  • Custom models (AutoML Translation)

Only in Sonix

  • Automated transcription
  • Translation
  • Synchronised editor
  • Subtitle export
  • Custom dictionary
  • Search across media
  • Pay-as-you-go option
  • Enterprise compliance

What people use each for

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

Google Translate

  • An individual traveller or student using the free consumer app with no volume constraintsnot Sonix
  • A developer embedding translated user-generated content into an app, paying per million characters translatednot Sonix
  • A company needing occasional bulk document translation and using the per-page document API pricingnot Sonix
  • A business training a custom domain-adapted model for specialised terminology using AutoML Translationnot Sonix

Sonix

  • A journalist transcribing interviews in several languages who needs the transcript searchable and quotable within minutes rather than accurate to a contractnot Google Translate
  • A qualitative research team coding focus group transcripts, where speaker separation and an editable transcript matter more than a certified accuracy figurenot Google Translate
  • A podcast producer generating subtitle files and show notes from each episode without adding a human transcription suppliernot Google Translate
  • A small documentary team subtitling foreign-language footage where transcription and translation in one tool avoids a second vendornot Google Translate

Where each one falls short

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

Google Translate

  • The free consumer app and the metered developer API are commercially separate products despite sharing branding, which confuses buyers evaluating cost for an integration project.
  • API costs scale linearly with content volume, so a high-traffic application can accumulate significant monthly spend even at $20 per million characters.
  • Custom model training pricing starts as high as $80 per million characters at low volumes, a steep premium over the standard NMT rate for domain adaptation.
  • Machine translation output for low-resource language pairs or specialised terminology often still needs human post-editing, so the API alone does not replace professional translation for anything customer-facing at high stakes.
  • There is no bundled human-in-the-loop quality tier; a business needing verified accuracy has to pair the API with a separate service such as Unbabel or Gengo.

Sonix

  • Monthly hour allowances are small relative to the subscription price: the $25 Core plan includes five hours, which at the published $10 overage rate means the subscription is only worth buying for storage and features rather than for the hours.
  • Unused hours do not accumulate into a meaningful reserve, so an irregular workload of a heavy month followed by a quiet one pays overage in the first and wastes allowance in the second.
  • There is no human correction tier at self-service prices, so anyone with an accessibility or legal accuracy obligation has to add a separate supplier or a member of staff to the workflow.
  • The cited 99 percent accuracy is a best-case figure on clean single-speaker audio, and overlapping speakers, strong accents, technical vocabulary and room noise degrade it enough that editing time, not transcription cost, becomes the real expense.
  • Storage is capped per plan at 25GB to 100GB, and video files consume it fast, so long-running teams end up deleting source media or upgrading a tier for storage they do not otherwise need.

Pricing, plan by plan

Google Translate

Free
  • Google Translate (consumer)Free
    • Free web, mobile and browser extension use
    • No published usage cap for personal use
  • Cloud Translation API (NMT)$20/month
    • $20 per million characters translated
    • First 500,000 characters per month free, recurring
  • Cloud Translation API (Translation LLM)$10/month
    • $10 per million characters input, $10 per million output
  • Document translation$0.08/month
    • $0.08 per page for DOCX, PPT and PDF translation

Sonix

$10/month
  • Pay As You Go$10/month
    • $10 per hour transcribed
    • No subscription
    • 30 minutes free to trial without a card
  • Core$25/month
    • 5 hours a month of transcription and translation
    • 25GB storage
    • $275 a year if billed annually
  • Advanced$50/month
    • 20 hours a month
    • 50GB storage
    • $550 a year if billed annually
  • Pro$80/month
    • 40 hours a month
    • 100GB storage
    • $880 a year if billed annually

Which should you pick?

Choose Google Translate if

  • You need text translation.
  • You want to start without paying.
  • You work on Web, iOS, Android, Chrome.
  • You also want real-time conversation mode.
Google Translate review

Choose Sonix if

  • You need automated transcription.
  • You work on Web, API.
  • You also want translation.
Sonix review

Questions people ask

Is Google Translate or Sonix better?
Neither clearly leads. Google Translate starts at Free and Sonix at $10/month, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Google Translate or Sonix?
Google Translate has a free tier; the other does not. Paid plans start at Free for Google Translate and $10/month for Sonix.
Does Google Translate or Sonix run on more platforms?
Google Translate runs on Web, iOS, Android, Chrome. Sonix runs on Web, API.
Can I use Google Translate for free?
Yes. Google Translate has a free tier, so you can try it without paying. Sonix starts at $10/month.
What is Google Translate best used for?
Google Translate is most often used for an individual traveller or student using the free consumer app with no volume constraints, a developer embedding translated user-generated content into an app, paying per million characters translated, a company needing occasional bulk document translation and using the per-page document api pricing, a business training a custom domain-adapted model for specialised terminology using automl translation. Of those, an individual traveller or student using the free consumer app with no volume constraints and a developer embedding translated user-generated content into an app, paying per million characters translated are not what Sonix is typically brought in for.
What can Google Translate do that Sonix cannot?
Google Translate covers Text translation, Real-time conversation mode, Camera translation, Document upload. Sonix covers Automated transcription, Translation, Synchronised editor, Subtitle export.

Answered from the vendors’ own pages

Google Translate: Is the consumer Google Translate app really free with no limits?

Yes, for personal use there is no published cap or charge; usage limits only apply to the metered developer API.

Sonix: What does Sonix cost per hour?

$10 an hour on pay-as-you-go, and $10 an hour for any usage beyond the monthly allowance on every subscription tier. That overage rate is published, which is unusual in this market.

Google Translate: How much does the developer API cost?

$20 per million characters for standard neural machine translation, after a recurring 500,000-character monthly free allowance.

Sonix: Is there human transcription?

No. Sonix is automated transcription plus an editor for you to correct. If you need a contracted accuracy level, this is the wrong category of product.

Google Translate: Can I train it on my own terminology?

Yes, through AutoML Translation custom models, priced separately and starting at $80 per million characters at low volumes.

Sonix: How accurate is it really?

The 99 percent claim assumes clean, single-speaker, standard-accent audio. Multi-speaker recordings with background noise land noticeably lower, and the cost shows up as your editing time.

Sonix: How many languages?

Transcription in over fifty languages and translation into a similar number, which is wider than most self-service competitors.

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