Grok TTSDisabled since Jul 26, 2026

The catalogue was narrowed to models whose output is text or embeddings; this model's output is audio (text-to-speech), so it was taken out of service. Related: #1551 (these SKUs bill $0 on a metered backend).

XAI

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xAI's Grok TTS is a text-to-speech model available as a partner-hosted SKU on Cloudflare Workers AI. Converts text to spoken audio output.

Providers

ZDRUnavailable

			Capabilities
cloudflare cloudflare	$15.00 per 1M characters of input text	—

Usage analytics

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API & code

Speech API

/api/v1/audio/speech

Text-to-speech audio generation.

Uptime & Health

No uptime data yet

These providers haven't been health-probed for this model yet. The router still routes around upstreams that fail live requests — uptime fills in once probe history accrues.

Share cards2 images

cloudflare upstream share card — cloudflare upstream

Credits

Speech output

Voice — voice_id

eveararexsalleo

Output formats — response_format

mp3wavflacopuspcm

Languages

Defaults to auto-detection. Pass `language` to pin a language.

Price

$15.00 per 1M characters of input text

ArchitectureTransformer

Categoryaudio

ReleasedJun 4, 2026

Modalities

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Capabilities

Speech models return raw audio bytes, not JSON — write the response body to a file. They cannot be called through chat completions.

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