Build Incredibly Natural Voice and Video Interfaces
We're opening Fern, our advanced multimodal AI, to developers—giving you the building blocks to create fully customized voice and video agents. Customize everything from your agent's identity to its capabilities, while we handle the details of real-time WebRTC and the underlying infrastructure.
Simple, Transparent Pricing
Choose the plan that fits your needs. All plans include full API access, real-time streaming, and comprehensive documentation.
Free
Try it out, no credit card required
- 50 included minutes/month
- 1 concurrent session
- No overage (hard limit)
- Community support
Basic
Perfect for prototyping and small projects
- 500 included minutes/month
- 2 concurrent sessions
- $0.10 per additional minute
- Standard support
Pro
For growing applications
- 2,500 included minutes/month
- 5 concurrent sessions
- $0.08 per additional minute
- Priority support
Max
For high-volume production
- 8,000 included minutes/month
- 20 concurrent sessions
- $0.05 per additional minute
- Dedicated support
Need more? Contact us for custom enterprise plans.
Everything You Need to Build
Real-time Video & Audio
Sub-second latency WebRTC streaming. Your users get instant responses from the AI.
Simple API
Create sessions, connect users, and control the AI—all with a few API calls.
Full Customization
Define your agent's personality, knowledge base, and behavior to match your use case.