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Voice & speech

Create narration

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Advanced requirements

Candidates to compare

Based on documented capabilities, not measured performance on your task. Leaderboard context is shown separately.

What to test first

Use the same script or recording. Check names, pronunciation or transcription errors, speaker consistency, and the rights needed for your use.

ElevenLabs · Eleven v3 / Scribe v2

ElevenLabs · elevenlabs.io
  • Text-to-speech[1]Aging
    Supported

    eleven_v3, up to 5,000 input characters; previous generation, not latest.

  • Web interface[2]Aging
    Supported

    Publicly documented channel; account, region, entitlement and quota were not tested.

  • Official API[3]Aging
    Supported

    Publicly documented channel; account, region, entitlement and quota were not tested.

Full evidence and sources
No exact leaderboard match

Why this fits

  • Text-to-speech
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    eleven_v3, up to 5,000 input characters; previous generation, not latest.

    The documented input/output workflow matches this task. Test prompt adherence and output quality with the same brief used for the other candidates.

  • Web interface
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Publicly documented channel; account, region, entitlement and quota were not tested.

    A documented web interface gives you a way to try the workflow in a browser. Check which features and exports your selected plan includes.

  • Official API
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Publicly documented channel; account, region, entitlement and quota were not tested.

    A documented API makes this a candidate for repeatable, programmatic workflows. Check account access, limits, and integration work before committing.

Strengths

  • Text-to-speech:
    Supported · Official fact · Aging · View source
  • Official API:
    Supported · Official fact · Aging · View source
  • Cost:
    API v3 USD 0.08 / 1,000 characters; Scribe v2 USD 0.22 / audio hour · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Realtime USD 0.39/hour; entity/keyterm add-ons separate. Live page supersedes search snippet USD 0.10. Web credits are not API dollar balance.

Trade-offs

    Unreviewed dimensions remain open questions for your trial.

    Cost
    API v3 USD 0.08 / 1,000 characters; Scribe v2 USD 0.22 / audio hour · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Realtime USD 0.39/hour; entity/keyterm add-ons separate. Live page supersedes search snippet USD 0.10. Web credits are not API dollar balance.

    Plan-dependent. Check the official price and billing period.
    Access
    Local deployment:
    Unknown
    Official API:
    Supported · Official fact · Aging · View source
    Web interface:
    Supported · Official fact · Aging · View source
    Workflow
    Use the official API, then import the output into Proof Lab.
    Commercial use and rights
    Unknown
    Rights depend on the product, plan, inputs and intended use. Review the linked terms.

    Unknowns

    Clarity · Naturalness

    Evidence

    Text-to-speech
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    eleven_v3, up to 5,000 input characters; previous generation, not latest.

    Speech transcription
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Scribe v2 timestamps/speakers; separate scribe_v2_realtime model and rate.

    Local deployment
    UnknownLast verified: Not reviewedConfidence: Low
    Official API
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Publicly documented channel; account, region, entitlement and quota were not tested.

    Web interface
    Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Publicly documented channel; account, region, entitlement and quota were not tested.

    Cost
    API v3 USD 0.08 / 1,000 characters; Scribe v2 USD 0.22 / audio hour · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

    Realtime USD 0.39/hour; entity/keyterm add-ons separate. Live page supersedes search snippet USD 0.10. Web credits are not API dollar balance.

    Commercial use
    UnknownLast verified: Not reviewedConfidence: Low

    Google Cloud · Chirp 3: HD

    Google · docs.cloud.google.com
    • Text-to-speech[1]Aging
      Supported

      SSML and controls are Preview for synchronous use; streaming has no SSML. Formats/locales vary.

    • Official API[2]Aging
      Supported

      Publicly documented channel; account, region, entitlement and quota were not tested.

    • Cost[3]Aging
      First 1 million characters/month free, then USD 30/million

      Billing required; character counting includes whitespace. Instant custom voice separate. Public allowance is not remaining account balance.

    Full evidence and sources
    No exact leaderboard match

    Why this fits

    • Text-to-speech
      Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      SSML and controls are Preview for synchronous use; streaming has no SSML. Formats/locales vary.

      The documented input/output workflow matches this task. Test prompt adherence and output quality with the same brief used for the other candidates.

    • Official API
      Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      Publicly documented channel; account, region, entitlement and quota were not tested.

      A documented API makes this a candidate for repeatable, programmatic workflows. Check account access, limits, and integration work before committing.

    • Cost
      First 1 million characters/month free, then USD 30/million · Official fact · Aging · View source

      Billing required; character counting includes whitespace. Instant custom voice separate. Public allowance is not remaining account balance.

      Use the recorded price as a budget input, not a total project quote. Usage, plan entitlements, taxes, and extra services can change the actual cost.

    Strengths

    • Text-to-speech:
      Supported · Official fact · Aging · View source
    • Official API:
      Supported · Official fact · Aging · View source
    • Cost:
      First 1 million characters/month free, then USD 30/million · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      Billing required; character counting includes whitespace. Instant custom voice separate. Public allowance is not remaining account balance.

    Trade-offs

      Unreviewed dimensions remain open questions for your trial.

      Cost
      First 1 million characters/month free, then USD 30/million · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      Billing required; character counting includes whitespace. Instant custom voice separate. Public allowance is not remaining account balance.

      Plan-dependent. Check the official price and billing period.
      Access
      Local deployment:
      Unknown
      Official API:
      Supported · Official fact · Aging · View source
      Workflow
      Use the official API, then import the output into Proof Lab.
      Commercial use and rights
      Unknown
      Rights depend on the product, plan, inputs and intended use. Review the linked terms.

      Unknowns

      Clarity · Naturalness

      Evidence

      Text-to-speech
      Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      SSML and controls are Preview for synchronous use; streaming has no SSML. Formats/locales vary.

      Local deployment
      UnknownLast verified: Not reviewedConfidence: Low
      Official API
      Supported · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      Publicly documented channel; account, region, entitlement and quota were not tested.

      Cost
      First 1 million characters/month free, then USD 30/million · Official fact · Aging · View source Last verified: 2026-09-30T17:37:41.000ZConfidence: High

      Billing required; character counting includes whitespace. Instant custom voice separate. Public allowance is not remaining account balance.

      Commercial use
      UnknownLast verified: Not reviewedConfidence: Low