AssemblyAI Voice Agent API
Real-time speech recognition and conversational AI for voice agents
What is AssemblyAI Voice Agent API?
AssemblyAI provides a Voice Agent API for building voice applications with real-time speech recognition, natural language understanding, and AI-generated responses. Developers can create voice agents for customer service, virtual assistants, and voice-enabled applications.
Score breakdown (out of 5)
Pros & Cons
👍 Pros
- ✓Real-time speech processing
- ✓Accurate speech recognition
- ✓Developer-friendly API
👎 Cons
- ✗Paid pricing not transparent on main site
- ✗Requires developer implementation
Key Features
- ✓ Real-time speech recognition
- ✓ Voice agent building
- ✓ Natural language understanding
- ✓ REST API
- ✓ Conversational AI responses
AssemblyAI Voice Agent API Pricing
✅ AssemblyAI Voice Agent API has a free plan - no credit card required to start.
Async speech-to-text
- ✓Universal-2 $0.15/hr
- ✓Universal-3.5 Pro $0.21/hr
Streaming speech-to-text
- ✓Universal-Streaming $0.15/hr
- ✓Universal-3.6 Pro Realtime $0.45/hr
- ✓Billed by session time
Voice Agent API
- ✓$0.075/min including STT, LLM, TTS and orchestration
From the blog
Developer resources
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