Comparison
Retell AI vs Synthflow
No-code visual builder for voice agents.
Best for: Agencies and ops teams without developers.
Where Retell AI wins
- Production-grade prompt control vs visual flow limits
- Better latency and turn-taking under real load
- Cleaner function call model for real integrations
- Scales past 30+ branches without flow spaghetti
Where Synthflow wins
- True no-code drag-and-drop builder
- Faster prototyping for non-developers
- Lower barrier to entry for simple flows
Pricing
Synthflow from $29/mo + per-minute usage. Retell ~$0.16/min all-in, pay-as-you-go.
See the full breakdown in Retell AI pricing breakdown.
The verdict
Synthflow wins on first-flow speed. Retell wins on production reliability and depth. If your agent will handle 100+ calls/day, Retell pays back in fewer 'why did it do that' tickets.
Still on the fence? A certified Retell AI consultant will tell you straight which platform fits your use case — or hire the full Retell AI agency to ship the build.
Get a 30-min platform recommendation
Tell us the use case. We'll tell you Retell, Synthflow, or something else — and why.