Gladia
Voice infrastructure / APIAsync from €0.15/hour (Solaria-3); see pricing
Developers needing multilingual STT
AssemblyAI pricing, features & alternatives
Voice infrastructure / API developer
TL;DR
As of 2026-10-17, AssemblyAI pricing: Pay as you go from $0.15/hr (Universal-2) and $0.21/hr; free starting credits Free tier: Free trial. Best for: developers needing accurate stt for agents.
Last verified: by the Voice Agent Scout editorial team. Our own test calls: not run yet.
What it does
Speech AI company offering realtime and batch speech-to-text APIs tuned for voice agents.
AssemblyAI pricing (verified 2026-10-17)
| Plan | Price | Included | Overage / extra | Source | Verified |
|---|---|---|---|---|---|
| Published pricing | Pay as you go from $0.15/hr (Universal-2) and $0.21/hr; free starting credits | — | — | [1] |
Per-minute price: not public. Free tier: Free trial.
Who it's for, and who it isn't
- For: Developers needing accurate STT for agents.
- Not ideal for: Teams without a developer: you assemble the agent through APIs and configuration.
Key features
Realtime streaming STT; Turn detection; Speaker diarization; Voice agent API [1]
Note: Pricing confirmed from vendor pricing page on 2026-10-17.
Compliance and telephony
- Compliance stated by the vendor: not stated on the pages checked.
- Phone numbers: not stated on the pages checked.
Our test notes
Not tested yet. We haven't placed test calls with AssemblyAI, so we make no claims about latency or call quality. See the methodology.
FAQ
How much does AssemblyAI cost?
As of 2026-10-17: Pay as you go from $0.15/hr (Universal-2) and $0.21/hr; free starting credits
Does AssemblyAI have a free plan or trial?
Yes. Free trial (checked 2026-10-17).
What is AssemblyAI's per-minute price?
AssemblyAI doesn't publish a per-minute price (not public).
Is AssemblyAI HIPAA compliant?
The pages we checked don't mention HIPAA or other compliance. That doesn't mean AssemblyAI isn't compliant, so ask them for a BAA if you need one.
