Soniox

by Soniox

Don’t want to wire up the Soniox API? Drop the file here.

The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.

Real-time multilingual ASR API with low-latency streaming and code-switching support.

API  ·  per-minute

TL;DR

Best for voice agents and call-center products that need low-latency real-time multilingual STT. Pricing: per-minute (see Soniox pricing page).

Category
Transcription APIs
Pricing
per-minute (see Soniox pricing page)
Platforms
API

What it is

Soniox is an independent speech-recognition API vendor focused on real-time streaming. Notable for code-switched multilingual recognition (multiple languages in one utterance), speaker diarization, custom vocabulary, and low end-to-end latency that targets agent-assist and live captioning. Available via WebSocket and REST. Pricing is per-minute with volume tiers; HIPAA-eligibility and enterprise terms via direct contract. Best fit: voice agents and call-center products that need low-latency real-time multilingual stt. Caveats: smaller vendor than hyperscalers; slas and roadmap depend on direct sales contact. Pricing as listed: per-minute (see Soniox pricing page). Feature flags from vendor docs: speaker diarization, word-level timestamps, streaming. Directory tags: commercial-api. Last vendor-page check: 2026-05-12.

Best for: Voice agents and call-center products that need low-latency real-time multilingual STT.
Watch out for: Smaller vendor than hyperscalers; SLAs and roadmap depend on direct sales contact.

Install / use

Soniox WebSocket: wss://api.soniox.com/transcribe-websocket

What people actually do with Soniox-style transcription

The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.

Wire it into Amazon S3n8nMake.comGoogle DriveZapierSlack

Features

Speaker diarizationYes
Word-level timestampsYes
Streaming / real-timeYes
Languages supportedNone
HIPAA eligibleNo

Soniox vs Whipscribe

FeatureSonioxWhipscribe
CategoryTranscription APIsTranscription APIs
PricingNot verified$6–$24 one-time packs (credits never expire) · first 20 minutes free
Speaker identificationNot verifiedNamed in the summary, key quotes and chapters
Word timestampsNot verifiedYes
StreamingNot verifiedNo
Languages—99
PlatformsAPIWeb, API, MCP

Alternatives to Soniox

Frequently asked about Soniox

How much does Soniox cost?

Soniox is a paid product — published pricing: per-minute (see Soniox pricing page). Pricing changes; verify on the vendor's own page before budgeting.

What platforms does Soniox support?

Soniox is an API — you call it from whatever you build, on any platform with an HTTP client.

How do I get started with Soniox?

Soniox is used through its API: get a key from the vendor, then call it from your own code. There is no desktop app to install.

What are the limitations of Soniox?

Smaller vendor than hyperscalers; SLAs and roadmap depend on direct sales contact.

Who is Soniox best for?

Voice agents and call-center products that need low-latency real-time multilingual STT.

Is Soniox open source?

No. Soniox is a proprietary API. If you need source you can read and run yourself, the open-source tools in this directory are the place to look.

What kind of tool is Soniox?

In this directory Soniox is filed under commercial api as a API.

What are the alternatives to Soniox?

There is a side-by-side page at /tools/soniox-alternatives comparing Soniox with the closest tools in the same category on price, platform and features.

Can I automate Soniox-style transcription without running it myself?

Yes. If what you want is transcripts rather than the tool itself, Whipscribe does the same job as a hosted API: submit a file or URL, poll a job id, pull the result as txt, json, srt, vtt or docx. $0.012 a minute — about $0.72 an audio hour — bought as credits that never expire. The automation recipes on this site show it wired to Drive folders, Zoom recordings, S3 buckets and no-code platforms.

How is Whipscribe different from Soniox?

Soniox is another vendor's product; Whipscribe is a per-minute transcription service. Recordings are transcribed on our own servers and never used for training, and every job returns five formats plus an AI summary, quotes and topics. The first 20 minutes of any recording are transcribed free, and a pack from $6 (500 minutes) transcribes the rest and opens every export.

What does transcription cost if I use Whipscribe instead of Soniox?

$0.012 a minute — about $0.72 an audio hour — bought as credits that never expire. There is no subscription and no monthly minimum: a 3-hour recording is about $2.16, a thousand-hour archive is about $720 once. The first 20 minutes of any recording are transcribed free, and a pack from $6 (500 minutes) transcribes the rest and opens every export, so you can see what your recording holds before paying anything.

Where is the Soniox category heading?

Three things are moving across the whole speech-to-text market right now: summaries, action items and speaker insights generated on top of the transcript rather than sold separately; private, secured deployment where the audio never leaves a boundary you control; and agent access — transcription exposed as a tool that Claude, Cursor or a workflow runner can call directly. Whipscribe ships all three today: per-job insights, our own servers, and an MCP server.

Whipscribe is a hosted transcription service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.

Transcribe your recordings

Explore

Long recording to get through?

One file up to 10 hours, as an upload or a link: see transcribing a long MP3 or M4A, transcribing a podcast episode and the SRT generator.

Rather have it done for you?

Free tools cost setup time. When you want a finished transcript instead: see an honest roundup of the best transcription services, affordable transcription priced per hour and transcription services from $6.