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Text to Speechvoice-agentsmultilingualindian-languagesrealtime

Eleven v4 Turbo

by ElevenLabs · Released Undisclosed

ElevenLabs' most emotive real-time model: v4 expressiveness tuned for live calls. 91 languages including 12 Indian languages; audio tags. $0.4167 per 10K characters.

Text to Speech

Eleven v4 Turbo

Powered by ElevenLabs · Neural TTS (ElevenLabs Eleven v4 Turbo)

Context Window

N/A

Parameters

Undisclosed

Max Output

N/A

Category

Text to Speech

Overview

Eleven v4 Turbo keeps Eleven v4's expressiveness and voice cloning while cutting latency for live conversation (ElevenLabs quotes a median of about 100 ms to first audio). It speaks the same 91 languages, including Hindi, Bengali, Tamil, Telugu, Marathi, Gujarati, Kannada, Malayalam, Punjabi, Odia and Urdu, and performs audio tags for fine-grained control.

It is half the price of Eleven v4 per character and the ElevenLabs model to pick when you want v4 quality on a phone call. Available on POST /v1/audio/speech and as a voice-agent voice; shares the ElevenLabs voice library (sarah default, or any ElevenLabs voice ID).

Pricing

MetricPrice
Price /10K chars₹40.0000

1 credit = ₹1 ≈ US$0.0104 (US$1 = ₹96). Transparent per-call pricing — you pay only for what you call, with no per-seat charge or minimums.

Key Highlights

  • Expressive voice agents in many languages
  • 91 languages, one shared ElevenLabs voice library (21 premade voices or any ElevenLabs voice ID)
  • On POST /v1/audio/speech and as a voice-agent voice (tts_model)
  • Speed 0.7–1.2; mp3, wav, pcm, opus, mulaw and alaw output

Benchmarks

BenchmarkScore
Languages91
Voices21+
Price$0.4167
Latency~0.5 s to first audio in our tests

Technical Details

  • Model ID is ElevenLabs' own (eleven_v4_turbo)
  • 91 languages; language takes a base ISO code such as hi
  • Voice: a premade name or any 20-character ElevenLabs voice ID, including cloned voices
  • Input up to 4096 characters; no SSML; audio tags such as [laughs] are performed
  • Paid plans only

Strengths

  • ElevenLabs' most emotive real-time model: v4 expressiveness tuned for live calls
  • Cloned and library voices from your ElevenLabs account work as-is
  • Available on the speech endpoint and in voice agents

Limitations

  • Premade voices carry English accents; the language is enforced by the language parameter
  • No SSML; streaming is not supported on the speech endpoint
  • Paid plans only

Use Cases

Expressive voice agents in many languagesCustomer support and sales voice agentsSpoken notifications and IVR prompts

API Example

curl https://api.callmissed.com/v1/audio/speech \
  -H "Authorization: Bearer cm_YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "eleven_v4_turbo",
    "voice": "sarah",
    "language": "hi",
    "input": "Namaste, main aapki kaise madad kar sakti hoon?"
  }' --output speech.mp3

Endpoint: POST /v1/audio/speech · Model ID: eleven_v4_turbo

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