Eleven Flash v2.5: Benchmarks, Pricing & Context Window
Eleven Flash v2.5 is a text-to-speech model from ElevenLabs, released in December 2024.
Ultra-low latency (~75ms) speech synthesis for real-time applications. Supports 32 languages, 40K character limit. Ideal for conversational AI and live streaming.
Input
Text
Output
Audio
Eleven Flash v2.5 pricing
Providers
Eleven Flash v2.5 starts at $1250000 per million input tokens via Elevenlabs.
| Provider | Input $/M | Output $/M | Max Input | Max Output | Latency s | Throughput | Quant | Input | Output |
|---|---|---|---|---|---|---|---|---|---|
 Elevenlabs | $1250000 | — | 10.0K | — | — | — | — |
Eleven Flash v2.5 API
POST/v1/tts/synthesize
Modeleleven_flash_v2_5Run a request to see the response
Use it in your code
OpenAI-compatible endpoint through the LLM Stats gateway.
import requests
response = requests.post(
"https://gateway.llm-stats.com/v1/tts/synthesize",
headers={"Authorization": "Bearer YOUR_API_KEY"},
json={
"model_id": "eleven_flash_v2_5",
"text": "Hello, this is a test.",
"format": "mp3",
"sample_rate": 24000,
},
)
with open("output.mp3", "wb") as f:
f.write(response.content)Need an API key? Create one above in the playground, or read the API documentation.
Eleven Flash v2.5 license
Eleven Flash v2.5 is released under the Proprietary license, which restricts commercial use.
- License
- Proprietary
- Non-commercial
Proprietary license - usage restrictions apply
FAQ
Common questions about Eleven Flash v2.5.