Freedom251 › Legal Transcription Software
Sonix
by Sonix

What Sonix is
Sonix transcribes and translates audio, with speaker identification, timestamps, and API access. It supports 54 languages and can export work as DOCX, PDF, TXT, SRT, or VTT. The listed platform is API. Its plans vary in included transcription and translation time, AI workspace usage, and storage. Pay As You Go costs $10 a month, has no subscription, and is prorated to the second; it includes a single-user workspace and 5 GB of storage. Core costs $25 a month and includes 5 hours monthly for transcription and translation, 5 hours of AI workspace use, 25 GB of storage, and one user. Advanced costs $50 a month and includes 20 hours, 25 hours of AI workspace use, 50 GB of storage, and one user. Pro costs $80 a month and includes 40 hours, 100 hours of AI workspace use, 100 GB of storage, and one user. Each of these three subscription plans charges $25 a month per extra seat. Sonix was founded in 2017 and is headquartered in San Francisco, CA, United States.
Who it suits
Sonix may suit individuals or teams needing transcription, translation, speaker labels, and timestamped exports across 54 languages. Its API access may be relevant to users integrating those capabilities through an API.
What it does well
- Supports 54 languages
- Speaker identification and timestamps
- Exports to DOCX, PDF, TXT, SRT, and VTT
- API access is available
What to know first
- No free plan
- Subscription plans include one user
Limits
Pay As You Go provides 5 GB of storage for one user. Core includes 5 transcription and translation hours plus 5 AI-workspace hours monthly; Advanced includes 20 and 25; Pro includes 40 and 100, respectively, with storage of 25 GB, 50 GB, and 100 GB.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Pay As You Go | No subscription; prorated to the second · 5 GB storage · Single-user account workspace | $10 a month |
| Core | $25/month; $25/month per extra seat · 5 hrs/mo transcription and translation · 5 hrs/mo AI workspace usage · 25 GB storage · 1 user included | $25 a month |
| Advanced | $50/month; $25/month per extra seat · 20 hrs/mo transcription and translation · 25 hrs/mo AI workspace usage · 50 GB storage · 1 user included | $50 a month |
| Pro | $80/month; $25/month per extra seat · 40 hrs/mo transcription and translation · 100 hrs/mo AI workspace usage · 100 GB storage · 1 user included | $80 a month |
| Enterprise | 1 TB storage per workspace · Unlimited team members | On request |
As sonix.ai lists them, read 20 Sept 2026. The maker's own page has the final word.
Getting started
- Open the Sonix website or connect through its API
- Choose Pay As You Go, Core, Advanced, Pro, or Enterprise
- Create the applicable workspace
- Upload material for transcription or translation
- Use speaker labels and timestamps in the transcript
- Export as DOCX, PDF, TXT, SRT, or VTT
Verdict
Sonix combines multilingual transcription and translation with speaker identification, timestamps, and several export formats. Compare the included monthly hours, storage, and seat charges against your workload before choosing a plan.
Questions
Does Sonix have a free plan?
No. Sonix is listed as a paid service, with pricing from $10 a month.
How many languages does Sonix support?
Sonix supports transcription and translation in 54 languages.
What export formats are available?
Listed exports are DOCX, PDF, TXT, SRT, and VTT.
Does Sonix provide API access?
Yes. API access is available.
What does Pay As You Go cost?
Pay As You Go costs $10 a month, has no subscription, bills prorated to the second, and includes 5 GB of storage in a single-user workspace.
What are the team-seat charges?
Core, Advanced, and Pro include one user and charge $25 a month for each extra seat. Enterprise includes unlimited team members.
Facts from Sonix's own pages
- API access
- Yes · sonix.ai, 20 Sept 2026
- Export formats
- DOCX,PDF,TXT,SRT,VTT · sonix.ai, 20 Sept 2026
- Founded
- 2017 · sonix.ai, 28 Sept 2026
- Free plan
- No · sonix.ai, 20 Sept 2026
- Headquarters
- San Francisco, CA, United States · sonix.ai, 28 Sept 2026
- Languages supported
- 54 · sonix.ai, 20 Sept 2026
- Speaker identification
- Yes · sonix.ai, 20 Sept 2026
- Timestamp support
- Yes · sonix.ai, 20 Sept 2026
Where Sonix stands on Freedom251
- Legal Transcription Software#20 of 24
- AI transcription tools#41 of 46
- Speech-to-Text Software#33 of 35
- Audio Transcription Software#34 of 35
- Transcription Software#45 of 46
- Podcast Transcription Software#25 of 25
