Free API · Pay-as-you-go from $10/1M chars

AI voice platform with natural TTS, instant voice cloning, streaming API and dubbing tools.
Free API · Pay-as-you-go from $10/1M chars
TTS · Voice Cloning · Dubbing · Real-time Audio
Natural production speech with low-latency streaming and multilingual cloning.
Voice Cloning · API · Streaming · 50+ Languages · 1,000+ Voices
Speechify combines its Simba speech models with instant voice cloning, 50+ languages, streaming, SDKs and Studio dubbing tools.
| Number of voices | 1,000+ |
| Text-to-Speech | Yes · Simba models |
| Voice cloning | Zero-shot and fine-tuned |
| Dubbing | Dubbing Studio and enterprise dubbing |
| Supported languages | Simba 3.0: 6 languages / 7 locales self-serve · Simba 3.2: English |
| Voice conversion | Voice Changer in Studio |
| Real-time audio | Streaming API · ~300 ms |
| Emotion control | Emotion control and SSML |
| Speech-to-Speech | Voice Changer in Studio |
| Voice library | 1,000+ preset voices |
| API access | Yes |
| SDK availability | JavaScript · Python |
| Commercial Use | Studio Starter and paid API use |
| Voice Library | 1,000+ preset voices |
| API Access | Yes |
| Platforms | Web Studio; API |
| Platforms | Web Studio · API |
| Commercial Use | Studio Starter and paid API use |
| Free Plan | Free account/API key; voice cloning requires Starter or above |
| Pricing model | Free tier + pay-as-you-go + annual Studio plans |
| Paid plans | Paid Build plans from $6 per 1M characters; cloning included with no separate per-clone charge |
| Free trial | Yes |
| Voice cloning modes | Zero-shot · Fine-tuned |
| Minimum cloning sample duration | 10–30 seconds recommended |
| Voice conversion method | Voice Changer workflow |
| API latency | 56 ms median time to first audio byte (Simba 3.2, US East internal measurement) |
| Streaming support | Yes |
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