xAI text to speech

Text

The text to convert to speechRequired · text

Language

BCP-47 language code or 'auto' for automatic detectionOptional · language

Output format

Output format configuration for the TTS APIOptional · output_format

Voice

Built-in xAI voice to use for synthesisOptional · voice

Price

$0.015 per 1,000 characters

Billing

The provider’s price, with no markup. Billed for measured usage.

Price checked

7 October 2026

Your agent reads the schema and the price with inspect_tool before it runs the tool.

MCP call

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cURL command

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TypeScript

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Tool ID

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• ElevenLabs forced alignmentfal.ai$0.22/unit
• Gemini 3.8 Flash Lite TTS speech and two-speaker dialoguefal.ai$0.03/1,000 characters
• Gemini 3.8 Flash TTS speech and two-speaker dialoguefal.ai$0.045/1,000 characters
• Grok voicefal.aiUsage based
• VEED clean audiofal.ai$0.0125/unit
• Compare all 21