Ultravox
Speech-native voice AI agents
- Text-to-Speech / Speech-to-Text
- Meeting Notes & Summaries
- No-Code Workflows
- Integrations & APIs
- Chat/Voice Agents
- Knowledge Base & Self-Service
- Support Bots & Contact Centers
Last updated
Features
- Speech-native voice agents that process audio directly with latency under 800ms
- Handles real-time interruptions (barge-in)
- Understands tone and emotion
- Native tool calling for actions like booking events, looking up orders or processing payments
- Telephony Bridge for Twilio, SIP and web or mobile SDKs
- RAG on company knowledge bases (corpora) for accurate answers
- Playground for testing, with SDKs for Python, JavaScript, Flutter and React Native
- Dedicated GPU resources per call for concurrent conversations at scale
- Outbound call scheduling for reminders, surveys and lead qualification
Pricing Details
💰 Pricing Model
Item Details: Model Type: Pay-as-you-go + Monthly Subscription.
General Concept: A usage-based model where you pay for what you use, with a professional tier available for businesses that require high concurrency and advanced features.
🆓 Free Plan Details
Feature: Free Minutes / Details: Includes 30 minutes of free calls every month.
Feature: Playground / Details: Unlimited calls within the Ultravox Playground for testing and development.
Feature: Concurrent Calls / Details: Up to 5 concurrent calls allowed on the free tier.
Cost: Free ($0/mo).
💳 Paid Plans 🔹 Pay-As-You-Go
Item: Price / Details: $0.05 per minute after the free credits are exhausted.
Item: Features / Details: No monthly subscription fee; ideal for startups and early-stage testing.
🔹 Pro Plan
Item: Price / Details: $100.00 per month (billed yearly).
Item: Inclusions / Details: Removes hard caps on concurrent calls, includes an Outbound Call Scheduler, 5 custom voice clones, and access to 20 corpora for RAG.
🔹 Enterprise Plan
Item: Price / Details: Custom Pricing.
Item: Benefits / Details: Dedicated Org support, priority SLA, customizable everything, and unlimited scalability for massive call volumes.
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