Skip to content
CallMissed
Book a demo

Explore CallMissed

Back to all models
Text to Speechvoice-agentsmultilingualrealtime

Eleven Flash v2

by ElevenLabs · Released Undisclosed

ElevenLabs' ultra-low-latency English-only model. Ideal for English conversational use. $0.4167 per 10K characters.

Text to Speech

Eleven Flash v2

Powered by ElevenLabs · Neural TTS (ElevenLabs Eleven Flash v2)

Context Window

N/A

Parameters

Undisclosed

Max Output

N/A

Category

Text to Speech

Overview

Eleven Flash v2 is ElevenLabs' English-only low-latency model (about 135 ms to first audio upstream). For English-only agents where speed matters it is the leanest ElevenLabs option; for any other language use Eleven Flash v2.5 or the v3/v4 models.

Available on POST /v1/audio/speech and as a voice-agent voice; shares the ElevenLabs voice library.

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

  • English-only low-latency agents
  • English only, 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
Languages1
Voices21+
Price$0.4167
Latency~0.8 s to first audio in our tests

Technical Details

  • Model ID is ElevenLabs' own (eleven_flash_v2)
  • English only; 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
  • Paid plans only

Strengths

  • ElevenLabs' ultra-low-latency English-only model
  • Cloned and library voices from your ElevenLabs account work as-is
  • Available on the speech endpoint and in voice agents

Limitations

  • English only
  • No SSML; streaming is not supported on the speech endpoint
  • Paid plans only

Use Cases

English-only low-latency agentsCustomer 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_flash_v2",
    "voice": "sarah",
    "input": "Hello, how can I help you today?"
  }' --output speech.mp3

Endpoint: POST /v1/audio/speech · Model ID: eleven_flash_v2

Try Eleven Flash v2 now

Get 1000 free API credits on signup. No credit card required.

Start free Book a DemoRead docs