Categories · Speech-to-Text & Transcription APIs
Gladia vs Soniox
Gladia and Soniox are both Speech-to-Text & Transcription APIs, compared here on pricing, compliance, capabilities, and developer experience from structured, cited data - not reviews or paid placement. Gladia offers a free tier while Soniox does not, so Gladia is easier to trial before committing. For coding-agent use, Soniox scores higher on agent-friendliness (65 vs 55).
Comparedby a transparent data-readiness score computed from each API's published, sourced fields. No reviews, no paid placement. How we rank.
Data last verified 2026-06-21, with every field cited on each profile.
Head-to-head, from published, cited fields (auto-generated; no paid placement)| Field | Gladia | Soniox |
|---|
| Starting price | $0.61 hour | $0.0017 minute |
|---|
| Pricing model | Usage | Usage |
|---|
| Free tier | ✓ | ✗ |
|---|
| Self-serve signup | ✓ | ✓ |
|---|
| SOC 2 | Type II | Type II |
|---|
| HIPAA | ✓ | ✓ |
|---|
| GDPR | ✓ | ✓ |
|---|
| Webhooks | ✓ | ✓ |
|---|
| Sandbox | ✗ | ✗ |
|---|
| Documented actions | 21 | 11 |
|---|
Full data and citations: Gladia · Soniox. See more Speech-to-Text & Transcription APIs.