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Launched 2017 · Verified Oct 15, 2026

Sonix

Verified Oct 15, 2026 Active
Speech-to-Text & Transcription1viewsWrite a reviewUnited StatesEffect71/ 100
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Transcription, translation and subtitles with a browser editor

transcriptionsubtitlestranslationspeaker diarizationcustom vocabularyPaid · from $25/mo

Listed on EffectHub ·

InputsAudioOutputsTTextWeb · API
Screenshot of the Sonix website
#1729
sonix.ai as we captured it — our own screenshot, not the vendor’s press image.

Pricing

Pricing model
Paid
Paid options from
$25/mo
Billing
Monthly

Metered in hours: $10/hr pay-as-you-go, or Core $25/mo ($275/yr) for 5 hrs with overage at the same $10/hr; Advanced $50/mo for 20 hrs, Pro $80/mo for 40 hrs; each extra seat is $25/mo. A 30-minute free trial needs no card; Enterprise is quote-only.

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Overview

About Sonix

Sonix transcribes audio and video with speaker labels, then opens the result in a browser editor where the text stays locked to the waveform for correction, search and export. The same file can be translated into other languages, cut into frame-aligned subtitles, or summarised into chapters and sentiment notes without leaving the workspace. It sells time in hours, either pay-as-you-go or as a monthly allowance, and exposes a REST API for batch jobs.

Platforms
Web · API
API
Yes
Last verified
Oct 15, 2026

Verified sources

  • Pay As You Go $10/hr; Core $25/mo or $275/yr for 5 hrs; Advanced $50/mo for 20 hrs; Pro $80/mo for 40 hrs; additional hours $10/hr on any plan; extra seats $25/mo; 30-minute free trial without a card; Enterprise custom (15 October 2026)sonix.ai ↗
  • Transcription, translation, subtitles and AI summaries in 54+ languages; RESTful and batch API with documentation; SOC 2 Type 2 and HIPAA; footer '© 2026 Sonix, Inc.', made in San Francisco, 'since 2017' (15 October 2026)sonix.ai ↗
  • Independent comparisons put Sonix accuracy near Otter and Descript rather than far aheadnovascribe.ai ↗
Fact check

Is Sonix legit?

We don’t label tools safe or unsafe. Below are the records we checked ourselves, each with the date we read it.

Domain registered
Dec 16, 2017 (8 years ago)Registry record (RDAP), registrar 101domain GRS Limited, looked up Sep 12, 2026
TLS certificate
Issued by Google Trust Services, valid until Dec 16, 2026Seen in our own connection to the site on Oct 15, 2026
Last checked
Oct 15, 2026The site answered
On the market since
2017The vendor's own material, read by us
Operated by
Sonix, Inc., United StatesOur research, card verified Oct 15, 2026

How we collect these records

Editorial verdict

Pros & cons of Sonix

high confidence

Pick Sonix when the transcript is a working document you will correct, subtitle and hand off — the editor is the product, not the ASR. If you mainly want live meeting notes, Otter is cheaper and better suited; if the recording is legally critical, Rev's human tier is the safer route.

Pros

  • The word-locked editor makes correcting a long transcript far faster than re-typing
  • 50+ languages for both transcription and translation, priced at the same hourly rate
  • REST API with batch processing and custom vocabulary is included with subscriptions
  • SOC 2 Type II, HIPAA posture and a stated no-training policy on customer files

Cons

  • Per-seat pricing at $25/mo each punishes small teams sharing one library
  • Hour allowances are the real constraint; Core's 5 hrs/mo goes fast on video
  • The 99% accuracy claim is vendor marketing — independent tests put it near peers, around the mid-90s
  • No free plan, only a 30-minute trial

Best for

  • Journalists and researchers cleaning up long interview recordings
  • Video teams producing multilingual subtitle tracks from one master file
  • Legal, medical and academic work where custom vocabulary matters
  • Engineering teams batch-transcribing a media archive through the API

Not for

  • Live meeting capture and real-time notes
  • Anyone needing a genuinely free tier — you get 30 minutes and then pay
  • Occasional one-off files where per-minute consumer tools are cheaper

Watch out: Translation is billed at the same $10/hr as transcription, so a subtitled file in four languages costs five times the base hour.

#9inSpeech-to-Text & Transcription· of 37 tools, ranked by rating and popularity

Sonix head-to-head

Side-by-side fact sheets against the competitors our research or their makers name — pricing, platforms, API and both verdicts on one page.

Tasks

Also used for

Subtitles21Transcription48Translation28
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