ElevenLabs Eleven v4 expressive text to speech

Text

The text to convert to speechRequired · text

Output format

Output format of the generated audioOptional · output_format

Apply text normalization

Whether to normalize text such as numbers and dates before generation (auto, on or off)Optional · apply_text_normalization

Timestamps

Whether to return character-level timing information with the generated audioOptional · timestamps

Similarity boost

How closely the output follows the reference voiceOptional · similarity_boost

Language code

Language code (ISO 639-1) for speech generation and text normalizationOptional · language_code

Voice

The voice to use for speech generationOptional · voice

Seed

Seed for best-effort reproducibilityOptional · seed

Stability

Voice stabilityOptional · stability

Price

$0.08 per 1,000 characters

Billing

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

Price checked

8 October 2026

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

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Tool ID

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• ElevenLabs Eleven v3 expressive text to speechfal.ai$0.1/1,000 characters
• ElevenLabs Eleven v3 multi-speaker dialogue to speech textfal.ai$0.1/1,000 characters
• ElevenLabs Eleven v4 Turbo fast text to speechfal.ai$0.04/1,000 characters
• ElevenLabs Multilingual v2 text to speechfal.ai$0.1/1,000 characters
• ElevenLabs Turbo v2.5 fast text to speechfal.ai$0.05/1,000 characters
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