← Back to the directoryListed price$0.0150 / minPay-as-you-go information Languages100+Approximate coverage StreamingYesReal-time transcription DiarizationYesSpeaker separation
Telnyx.
Transcription on Telnyx's own global network, co-located with voice and messaging APIs.
Directory noteThe owned-network option: STT plus carrier-grade voice on one platform.
Telnyx speech-to-text API overview
The four signals that usually narrow a speech-to-text shortlist first. Prices are the cheapest documented async tier; native billing units differ, so read the notes below.
Telnyx pricing, languages, and features
Everything else the directory currently tracks, kept in one clear spec sheet for comparison.
- Company
- Telnyx
- Listed price
- $0.0150 / minTelnyx STT engine, pay-as-you-go, $0.015/min.
- Languages
- 100100 supported languages per the Telnyx product page, with automatic language detection.
- Real-time streaming
- Yes
- Speaker diarization
- YesDiarization is available via the Deepgram (real-time) and Google (recording) engines, not the default Telnyx/Whisper engine.
- Free tier or trial
- NoNo free tier documented on the speech-to-text pages specifically (a general Telnyx trial credit exists sitewide).
- Models
- openai/whisper-large-v3-turbo
Pricing, languages, streaming, and diarization verified against Telnyx’s primary sources on 2026-08-27. Word error rate and latency are not yet measured.
Official Telnyx website and API documentation
Confirm current pricing and capabilities in the provider’s own materials before making a purchasing decision.
Primary sources used to verify this profile
Alternatives to Telnyx
Switch between profiles to narrow the set that fits your product, workflow, and deployment constraints.
Building with speech?
Explore speech-to-text alongside voice and messaging APIs.
Build on Telnyx