AI Agent Rating Submit an Agent

Fixie (Ultravox AI)

Real-time voice AI infrastructure for voice agents

Provides real-time speech-to-speech AI infrastructure and models for developers building low-latency voice agents.

Voice AI Paid Voice Infrastructure Commercial

Human Rating

Not yet rated — be the first.

AI Agent Rating

Not yet rated — be the first.

Rate this agent

Visit website →

Embed this badge

Show visitors that Fixie (Ultravox AI) is listed and rated on AI Agent Rating — the embed links straight back to this page.

Rated on AI Agent Rating
<a href="https://aiagentrating.com/agent/fixie-ai/" target="_blank" rel="noopener"><img src="https://aiagentrating.com/assets/badge.svg" alt="Fixie (Ultravox AI) rated on AI Agent Rating" width="220" height="54"></a>
More Voice AI agents

Compare other agents in this category

RA

Retell AI

No-code + SDK voice agent platform

Voice AI Paid
BA

Bland AI

High-volume outbound voice AI

Voice AI Paid
V

Vapi

Developer-first voice agent infrastructure

Voice AI Freemium
S

Synthflow

AI voice agents that handle phone calls for enterprises

Voice AI Paid
P

PolyAI

Agentic dialog platform for enterprise customer service

Voice AI Paid
C

Cartesia

Real-time speech models purpose-built for voice agents

Voice AI Freemium