TTS.ai vs Vapi

Compare TTS.ai and Vapi for building AI voice agents and phone bots.

Feature TTS.ai Vapi
Primary Use Full AI voice platform Voice AI developer platform
AI Agents No-code + API agents Developer-first API
TTS Models 20+ built-in models ElevenLabs, PlayHT, etc. (external)
Free Tier 15 credits + free TTS $10 free credit
Pricing From $9/mo $0.05/min + provider costs
Phone Integration Twilio (BYOT + managed) Built-in + Twilio
Voice Cloning 9 built-in models Via external providers
Transcription Built-in Whisper + SenseVoice Via external providers
Audio Tools 45+ tools Not available
No-Code Builder Web UI agent builder Dashboard + API

Why choose TTS.ai?

All-in-one platform (TTS, STT, cloning, tools)
No external provider dependencies
Predictable subscription pricing
45+ audio tools included
Voice marketplace and community voices

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