Best Voice Agents Tools
Compare 7 top-rated voice agents tools. Find features, pricing, pros, cons, and alternatives.
Vapi
Developer platform for real-time voice AI agents.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Usage-based
Bland AI
Phone calling API for scalable conversational voice agents.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Usage-based
Retell AI
Conversational voice infrastructure for call center automation.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Usage-based
ElevenLabs
High-fidelity text-to-speech and conversational voice stack.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Free + Paid
Deepgram
Speech-to-text and voice agent APIs with real-time streaming.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Usage-based
AssemblyAI
Speech AI APIs for transcription and summarization.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Usage-based
LiveKit Agents
Realtime media platform with agent framework for voice/video assistants.
Key Features:
- •Workflow Runtime
- •Tool and API Connectivity
- •State and Context Handling
Open-source + Cloud
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