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xAI Text-to-Speech

#12 of 222 in Text-to-Speech Software

xAI Text-to-Speech: A paid, API-only speech service for expressive, timestamped audio generation. Ranked #12 of 222 in Text-to-Speech Software by our editors (8.3/10); pricing: Paid; best for expressive API speech with timestamps.

8.3/10Editor score
Visit xAI TTS
xAI Text-to-Speech8.3 Visit xAI TTS

At a glance

  • Editor score
    8.3 / 10
  • Pricing
    Paid
  • Best for
    Expressive API speech with timestamps
  • Paid from
    $15/unit usage-based
  • Commercial use
    Yes
  • Founded
    2023 · Austin, Texas, USA
  • Facts checked
    20 Sep 2026
xAI Text-to-Speech screenshot

  • Where it wins

    • Streaming and batch output support flexible generation workflows
    • Speech tags add pauses, laughter, whispering, singing, and emphasis
    • Voice cloning, pronunciation mappings, and character-level timestamps

  • Where it doesn't

    • API-only access excludes visual and no-code workflows
    • Usage-based pricing starts at $15 per 1M characters
    • Custom voice cloning requires a reference clip

Our verdict on xAI Text-to-Speech

xAI Text-to-Speech converts text into spoken audio through REST API and WebSocket endpoints. It is aimed at developers and businesses that need programmable speech generation rather than a standalone desktop or browser editor. The service offers built-in expressive voices, custom voice cloning from a reference clip, and support for 20 listed languages through BCP-47 codes. Requests can produce streaming or batch audio, with input of up to 60000 characters.

Its standout capability is expressive, structured control over generated speech. Speech tags support pauses, laughter, whispering, singing, and emphasis, while pronunciation replacement mappings provide a way to adjust how terms are spoken. Character-level timestamps can support synchronization with text or other application events. The API also supports MP3, WAV, PCM, μ-law, and A-law output, plus multiple audio codecs and sample rates. Streaming output uses WebSocket, while standard generation is available through REST.

The published pricing shows one paid plan, Text to Speech API, at $15 per 1M characters. That usage-based model fits applications that can estimate consumption, but it gives buyers no separate monthly tier structure to compare. xAI Text-to-Speech suits teams building voice features, multilingual speech workflows, or applications requiring expressive controls and timing metadata. Teams seeking a visual authoring tool, a no-code workflow, or a broader non-API production environment should choose an alternative instead.

Your product? Our editors can test xAI Text-to-Speech in depth and publish a review, labelled as paid · from $149/mo →

xAI Text-to-Speech pricing

Plans Paid No free plan — trial or paid only. Prices checked 20 Sep 2026.
See plans on docs.x.ai

All 1 xAI Text-to-Speech plans and prices →

xAI Text-to-Speech fact sheet

Free planNot verified
Paid from$15/unit usage-based
Commercial useYes
Voice cloningYes
API accessYes
Languages20 languages
Maximum input60000 characters
Export formatsMP3, WAV, PCM, μ-law, A-law
Platformsapi
DeploymentCloud
Compliance & securityGDPR
SupportEmail, Docs
Built forSmall business, Mid-market, Enterprise (editorial estimate)
PricingPaid (source)
Websitedocs.x.ai
Facts checked20 Sep 2026

Alternatives to xAI Text-to-Speech

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Featured on iTechGuides

Featured on iTechGuides — xAI Text-to-Speech 8.3/10

xAI Text-to-Speech is listed in our Text-to-Speech Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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