Google Cloud Speaker Diarization

by Google Cloud

Don’t want to wire up the Google Cloud Speaker Diarization 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.

Diarization layer for Google Cloud Speech-to-Text v2.

API  ·  per-Speech v2 pricing

TL;DR

Best for teams already on GCP Speech v2 who need speaker labels in addition to transcripts. Pricing: per-Speech v2 pricing.

Category
Transcription APIs
Pricing
per-Speech v2 pricing
Platforms
API

What it is

Google Cloud Speech-to-Text v2 includes a diarization configuration that segments transcripts by speaker. Configuration parameters include min/max speaker count and whether to bias to a fixed number of speakers. Supported on a subset of models — primarily 'long' and 'phone_call'. Useful for meeting and call workflows on GCP. Best fit: teams already on gcp speech v2 who need speaker labels in addition to transcripts. Caveats: diarization quality varies by model selection and audio quality. Pricing as listed: per-Speech v2 pricing. Feature flags from vendor docs: speaker diarization, word-level timestamps, HIPAA-eligible under BAA. Directory tags: commercial-api, hyperscaler. Last vendor-page check: 2026-05-12.

Best for: Teams already on GCP Speech v2 who need speaker labels in addition to transcripts.
Watch out for: Diarization quality varies by model selection and audio quality.

Install / use

GCP Speech v2 RecognitionConfig.diarization_config

What people actually do with Google Cloud Speaker Diarization-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-timeNo
Languages supportedNone
HIPAA eligibleYes

Google Cloud Speaker Diarization vs Whipscribe

FeatureGoogle Cloud Speaker DiarizationWhipscribe
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 Google Cloud Speaker Diarization

Frequently asked about Google Cloud Speaker Diarization

How much does Google Cloud Speaker Diarization cost?

Google Cloud Speaker Diarization is a paid product — published pricing: per-Speech v2 pricing. Pricing changes; verify on the vendor's own page before budgeting.

What platforms does Google Cloud Speaker Diarization support?

Google Cloud Speaker Diarization is an API — you call it from whatever you build, on any platform with an HTTP client.

How do I get started with Google Cloud Speaker Diarization?

Google Cloud Speaker Diarization 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 Google Cloud Speaker Diarization?

Diarization quality varies by model selection and audio quality.

Who is Google Cloud Speaker Diarization best for?

Teams already on GCP Speech v2 who need speaker labels in addition to transcripts.

Is Google Cloud Speaker Diarization open source?

No. Google Cloud Speaker Diarization 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 Google Cloud Speaker Diarization?

In this directory Google Cloud Speaker Diarization is filed under commercial api, hyperscaler as a API.

What are the alternatives to Google Cloud Speaker Diarization?

There is a side-by-side page at /tools/google-speaker-diarization-alternatives comparing Google Cloud Speaker Diarization with the closest tools in the same category on price, platform and features.

Can I automate Google Cloud Speaker Diarization-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 Google Cloud Speaker Diarization?

Google Cloud Speaker Diarization 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 Google Cloud Speaker Diarization?

$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 Google Cloud Speaker Diarization 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.

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