TTS.ai vs Retell AI
Compare TTS.ai and Retell AI for conversational voice AI agents and phone automation.
| 特征特征 | TTS.ai | Retell AI |
|---|---|---|
| Primary Use | Full AI voice platform | Conversational voice AI |
| AI Agents | Web chat + phone agents | Phone + web agents |
| TTS Models | 20+ open-source models | ElevenLabs, OpenAI, PlayHT |
| Free Tier | 15 credits + free TTS | $10 free credit |
| Pricing | From $9/mo | From $0.07-0.25/min |
| Voice Cloning | 9 built-in models | Via ElevenLabs |
| Text to Speech | 20+ models for any use case | Agent calls only |
| Transcription | Built-in STT | Built-in ASR |
| Audio Tools | 45+ tools | Not available |
| Embeddable Widget | Chat widget for websites | Web call widget |
Why choose TTS.ai?
Full voice platform beyond phone agents
All models built-in, no external dependencies
Predictable subscription vs per-minute pricing
45+ audio tools included
Open-source model transparency