Fixie AI vs Voiceflow
Two of the most-asked-about agents in the voice-agents space. Here's how they actually stack up.
Fixie AI
Developer platform for building voice AI agents that handle inbound and outbound phone calls
Free tier
Read full review →Voiceflow
No-code platform for building, testing, and deploying conversational AI agents across voice and chat
Free + $50/mo
Read full review →Side-by-side comparison
| Fixie AI | Voiceflow | |
|---|---|---|
| Tagline | Developer platform for building voice AI agents that handle inbound and outbound phone calls | No-code platform for building, testing, and deploying conversational AI agents across voice and chat |
| Pricing | Free tier | Free + $50/mo |
| Categories | voice-agents, voice, api, developer-tools | voice-agents, conversational-agents, no-code |
| Made by | Fixie AI | Voiceflow Inc. |
| Launched | 2023-05 | 2019-06 |
| Platforms | API, Web | Web |
| Status | active | active |
Fixie AI highlights
- + Real-time voice agents that handle phone calls with sub-second latency
- + Inbound and outbound call handling with programmable logic
- + Function calling so agents can query APIs, look up data, and take actions mid-call
- + Webhook integration for real-time event handling during conversations
- + Custom voice selection with multiple TTS providers
Voiceflow highlights
- + Visual conversation flow builder with drag-and-drop design
- + Knowledge base integration for FAQ and document-grounded responses
- + Multi-channel deployment to web chat, Twilio voice, SMS, and custom APIs
- + Built-in AI response generation with configurable LLM backends
- + Analytics dashboard showing conversation completion, drop-off, and escalation rates
Frequently Asked Questions
Which is better, Fixie AI or Voiceflow?
Neither is universally better. Fixie AI (Free tier) leans into voice-agents, while Voiceflow (Free + $50/mo) is closer to voice-agents. Pick based on which workflow you actually do every day.
What is the price difference between Fixie AI and Voiceflow?
Fixie AI is free tier. Voiceflow is free + $50/mo. See the pricing row in the comparison table.
Can I use Fixie AI and Voiceflow together?
In most cases, yes. They serve overlapping but distinct needs, so running them side by side is common until you decide which fits your workflow.