The concurrency limit (concurrent requests running in parallel) depends on the tier you are on.
Below are the current concurrency rates for Text to Speech.
| Plan | Flash and Turbo models | All other models |
| Free | 4 | 2 |
| Starter | 6 | 3 |
| Creator | 10 | 5 |
| Pro | 20 | 10 |
| Scale | 30 | 15 |
| Business | 30 | 15 |
If you require a higher number of concurrent requests, please reach out to our Enterprise Department directly via this webpage. We will be happy to discuss a tailor-made plan that meets your specific requirements.
ElevenLabs Agents (formerly Conversational AI) and Speech to Text have different concurrency limits: