Fixie.ai builds human-like voice AI agents for real-time, natural communication at scale. Their platform enables fast, productive AI interactions beyond text-based chat
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Ultravox is recommended for companies and innovators who want to build and scale fast, natural voice AI agents with low latency and reliable performance. It’s ideal for those starting out or growing their voice AI business.
Ultravox offers a free plan with 30 minutes of free calls and charges $0.05 per minute after that, with up to 5 concurrent calls and no surge pricing. The Pro plan costs $100 per month, removes concurrency caps, includes an outbound call scheduler, 5 custom voices, and 20 corpora for RAG. For enterprise needs, custom pricing and features like priority SLA and full customization are available through a demo request.
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Ultravox requires signing up and adding your voice data or documents to start building AI voice agents quickly. Basic configurations like setting concurrency limits and custom voices can be done solo within minutes using their intuitive console.
Fixie.ai
