Gladia vs Soniox
A side-by-side comparison of Gladia and Soniox, two Voice tools, drawn from Ignaite's continuously-verified listings.
Compared from listings verified as of
At a glance
| Attribute | Gladia | Soniox |
|---|---|---|
| Category | Voice | Voice |
| Pricing | FREEMIUM | FREEMIUM |
| License | Proprietary | Proprietary |
| Deployment | Cloud | Cloud |
| Platforms (differs) | API | API, Web, iOS |
| Model support | Single model (proprietary) | Single model (proprietary) |
| Vendor (differs) | Gladia | Soniox |
| Capabilities (differs) |
|
|
The honest brief
Gladia
Sub-300ms multilingual real-time transcription with EU data residency — a GDPR-friendly alternative to US-hosted Deepgram and AssemblyAI.
- Low-latency real-time streaming
- 100+ languages with strong accent handling
- GDPR, HIPAA, and SOC 2 compliant
- Generous free tier and pay-as-you-go
- API-only, no end-user app
- Proprietary models
- Younger than incumbent STT rivals
Soniox
Unifies real-time STT, TTS, and any-to-any speech translation in one low-cost API (~$0.10-0.12/hr) where rivals split these across separate products.
- 60+ languages, mid-sentence switching
- Real-time + async in one API
- Speech-to-speech translation
- Low per-hour pricing
- Smaller brand than incumbents
- Free credits tightened over abuse
- Token-based pricing takes math
When to pick which
Both cover Transcription (STT), Speaker diarization, and Speech translation.
Pick Gladia if you need Summarization and Structured extraction.
- Summarization (secondary capability)
- Structured extraction (secondary capability)
Pick Soniox if you need Speech synthesis (TTS) and Dictation.
- Speech synthesis (TTS) (secondary capability)
- Dictation (secondary capability)
They also differ on:
- Platforms
- API · API, Web, iOS