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Google Cloud Text-to-Speech

A cloud API from Google that synthesises natural-sounding speech from text in many languages and voices.

AI voice and text to speech

Updated

Visit Google Cloud Text-to-Speech (the official site)

Main use cases

  1. Add narration to an app
  2. Build a voice agent
  3. Create IVR or phone prompts

Ranked in the order the vendor's pages put them.

Alternatives to Google Cloud Text-to-Speech

  1. Amazon PollySubstitute
    shares 2 of 3shares 2 of 3: Add narration to an app, Create IVR or phone prompts

    Google Cloud Text-to-Speech states voice cloning; Amazon Polly's pages do not say. Amazon Polly lists cli; Google Cloud Text-to-Speech's pages do not say. Google Cloud Text-to-Speech states a free plan; Amazon Polly's pages do not say.

  2. CartesiaSubstitute
    shares 2 of 3shares 2 of 3: Add narration to an app, Build a voice agent

    Google Cloud Text-to-Speech states pre-built voice library, emotion or style control, SSML or markup control and 2 more; Cartesia's pages do not say. Cartesia states speech to text and self-hosted or on-device deployment; Google Cloud Text-to-Speech's pages do not say. Cartesia lists self-hosted; Google Cloud Text-to-Speech's pages do not say.

  3. DeepgramPartial overlap
    shares 2 of 3shares 2 of 3: Add narration to an app, Build a voice agent

    Google Cloud Text-to-Speech states voice cloning, pre-built voice library, multilingual voices and 4 more; Deepgram's pages do not say. Deepgram states speech to text and self-hosted or on-device deployment; Google Cloud Text-to-Speech's pages do not say. Deepgram lists cli and self-hosted; Google Cloud Text-to-Speech's pages do not say.

  4. SpeechifySubstitute
    shares 1 of 3shares 1 of 3: Add narration to an app

    Speechify states speech to text, voice consent verification and consumer reading app; Google Cloud Text-to-Speech's pages do not say. Google Cloud Text-to-Speech states phone or telephony integration; Speechify's pages do not say. Speechify lists web, macos, windows and 3 more; Google Cloud Text-to-Speech's pages do not say.

  5. ElevenLabsPartial overlap
    shares 1 of 3shares 1 of 3: Build a voice agent

    ElevenLabs states speech to text, video dubbing and self-hosted or on-device deployment; Google Cloud Text-to-Speech's pages do not say. Google Cloud Text-to-Speech states SSML or markup control; ElevenLabs' pages do not say. ElevenLabs lists web and self-hosted; Google Cloud Text-to-Speech's pages do not say.

Google Cloud Text-to-Speech next to its top 5 alternatives

Each cell is what the vendor's own pages state. Unknown means the pages do not say, which is not the same as no. Where a no rests on a figure, the cell shows the figure.

FeatureGoogle Cloud Text-to-SpeechAmazon PollyCartesiaDeepgramSpeechifyElevenLabs
Text-to-speech APIYes1Yes4Yes6Yes8Yes10Yes13
Voice cloningYes1UnknownYes7UnknownYes10Yes14
Pre-built voice libraryYes1Yes5UnknownUnknownYes11Yes14
Multilingual voicesYes1Yes5Yes7UnknownYes11Yes14
Emotion or style controlYes1Yes4UnknownUnknownYes10Yes14
Real-time streaming outputYes1Yes4Yes7Yes8Yes10Yes14
Speech to textUnknownUnknownYes7Yes8Yes11Yes14
Video dubbingUnknownUnknownUnknownUnknownUnknownYes13
SSML or markup controlYes1Yes4UnknownUnknownYes10Unknown
Long-form generationYes1Yes4UnknownUnknownYes12Yes13
Clear commercial usage rightsUnknownUnknownUnknownUnknownUnknownUnknown
Voice consent verificationUnknownUnknownUnknownUnknownYes10Unknown
Background music or sound mixingUnknownUnknownUnknownUnknownUnknownUnknown
Webhook or async job supportUnknownUnknownUnknownUnknownUnknownUnknown
Official SDKYes2Yes4UnknownYes9Yes10Yes14
Phone or telephony integrationYes1Yes5Yes7UnknownUnknownYes13
Self-hosted or on-device deploymentUnknownNo5Yes6Yes8UnknownYes14
Consumer reading appUnknownUnknownUnknownUnknownYes11Unknown

Feature list with quotes

  • Text-to-speech API: Yes1

    Convert text into natural-sounding speech using an API powered by the best of Google's AI technologies

  • Voice cloning: Yes1

    Chirp 3: instant custom voice Create personalized voice models with as little as 10 seconds of audio input

  • Pre-built voice library: Yes1

    Choose from an extensive selection of 380+ voices across 75+ languages and variants

  • Multilingual voices: Yes1

    Choose from an extensive selection of 380+ voices across 75+ languages and variants

  • Emotion or style control: Yes1

    Precisely dictate style, accent, pace, tone, and emotional expression

  • Real-time streaming output: Yes1

    Power your AI agents with ultra-low-latency speech for seamless, real-time conversations with streaming audio synthesis

  • SSML or markup control: Yes1

    Customize your speech with SSML tags that allow you to add pauses, numbers, date and time formatting, and other pronunciation instructions

  • Long-form generation: Yes1

    Asynchronously synthesize up to 1 million bytes of input with long audio synthesis

  • Official SDK: Yes2

    Quickstart: Use the client libraries

  • Phone or telephony integration: Yes1

    dynamically generate speech, instead of playing static, pre-recorded audio. Engage with high-quality synthesized voices that give callers a sense of familiarity and personalization

Not stated on the vendor's pages: Speech to text, Video dubbing, Clear commercial usage rights, Voice consent verification, Background music or sound mixing, Webhook or async job support, Self-hosted or on-device deployment, Consumer reading app.

Sources

  1. https://cloud.google.com/text-to-speech, checked 20 Sep 2026
  2. https://docs.cloud.google.com/text-to-speech/docs, checked 20 Sep 2026
  3. https://hn.algolia.com/api/v1/search?query=%22cloud.google.com%2Ftext-to-speech%22&restrictSearchableAttributes=url&tags=story&hitsPerPage=1000, checked 2 Oct 2026
  4. https://aws.amazon.com/polly/features/?nc=sn&loc=3, checked 20 Sep 2026
  5. https://aws.amazon.com/polly/, checked 20 Sep 2026
  6. https://www.cartesia.ai/, checked 20 Sep 2026
  7. https://docs.cartesia.ai/get-started/overview, checked 20 Sep 2026
  8. https://deepgram.com/, checked 20 Sep 2026
  9. https://developers.deepgram.com/home, checked 20 Sep 2026
  10. https://docs.speechify.ai/build/guides/welcome, checked 20 Sep 2026
  11. https://speechify.com/, checked 20 Sep 2026
  12. https://speechify.com/pricing/, checked 20 Sep 2026
  13. https://elevenlabs.io/, checked 20 Sep 2026
  14. https://elevenlabs.io/docs/overview/intro, checked 20 Sep 2026

Updated