~/Eleven Flash V2.5
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Text to Speech

Eleven Flash V2.5

Fastest TTS model with ultra-low latency.

Schema
Example

Sample music output

Sample output shown above. The prompt and settings are pre-filled on the left.

Your request will cost $0.05 per run. For $10 you can run this model approximately 200 times.

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README

ElevenLabs / Eleven Flash V2.5 — Text to Speech (eleven_flash_v2_5)

Eleven Flash V2.5 is ElevenLabs\

Highlights

  • •Ultra-fast – ~75ms latency for real-time use.
  • •50% cheaper – Most affordable ElevenLabs model.
  • •32 languages – Extensive language support.
  • •High capacity – Up to 40 minutes per request.

Parameters

  • •prompt* – Text to convert to speech (max 40000 characters). Write text in target language for non-English output.
  • •voice – Voice preset to use
    • • George (British narrator)
    • • Rachel (American female)
    • • Adam (American male)
    • • Bella (British female)
    • • Josh (American male)
    • • Arnold (Deep male)
  • •language_code – Language for text normalization (e.g., number/date pronunciation). Does NOT translate - text must be in target language.
    • • English
    • • Spanish
    • • French
    • • German
    • • Italian
    • • Portuguese
    • • Polish
    • • Hindi
    • • Arabic
    • • Chinese
    • • Japanese
    • • Korean
    • • Dutch
    • • Russian
    • • Turkish
    • • Swedish
    • • Indonesian
    • • Filipino
    • • Vietnamese
    • • Thai
    • • Czech
    • • Danish
    • • Finnish
    • • Greek
    • • Hungarian
    • • Norwegian
    • • Romanian
    • • Ukrainian
    • • Malay
    • • Tamil
    • • Bulgarian
    • • Croatian
  • •output_format – Audio output format
    • • MP3 128kbps
    • • MP3 192kbps
    • • MP3 64kbps
    • • PCM 24kHz
  • •stability – Voice stability (0-1)
  • •similarity_boost – Voice similarity boost (0-1)
  • •speed – Speech speed (0.25-4.0)

Pricing

$0.05 per generation

How to Use

  1. 1.Enter text for instant speech generation.
  2. 2.Select voice preset for your use case.
  3. 3.Optimized for speed - ideal for streaming.
  4. 4.Generate and integrate into your application.

More Models to Try

•Real-time apps: Voice assistants and chatbots.
•Interactive games: Dynamic character dialogue.
•Live streaming: Real-time text-to-speech.
•Cost-sensitive: High-volume TTS needs.

Related Guides

Best AI Music APIs ComparedAI API Pricing ComparisonBest AI API Platforms 2026AI API Pricing Comparison

Frequently Asked Questions

What is the Eleven Flash V2.5 API?
Fastest TTS model with ultra-low latency.
How much does Eleven Flash V2.5 cost via API?
Eleven Flash V2.5 costs $0.0500 per generation through Renderful's API. No subscription required — pay only for what you use.
How do I use Eleven Flash V2.5 via API?
Sign up for a free Renderful API key, then send a POST request to the /v1/predictions endpoint with model "eleven_flash_v2_5". See the documentation at renderful.ai/docs for code examples in Python, JavaScript, and cURL.
What type of content does Eleven Flash V2.5 generate?
Eleven Flash V2.5 is a text to audio model by ElevenLabs. Key features include: 32 languages, Ultra-fast (~75ms), 50% cheaper.
Is the Eleven Flash V2.5 API fast?
Eleven Flash V2.5 has fast generation speed. Results are delivered via polling or webhook callback for seamless integration.