Comparison
Retell AI vs Vapi
The developer-flexible voice AI platform.
Best for: Engineering teams who want raw control over the voice pipeline.
Where Retell AI wins
- Faster time-to-first-call — Retell ships an inbound agent in hours, Vapi in days
- Cleaner dashboard for non-developers reviewing transcripts
- More opinionated turn-taking model — less prompt engineering to sound human
- Tighter integrations menu out of the box
Where Vapi wins
- Bring-your-own LLM (Anthropic, custom, local)
- Lower-level control of streaming + interruption
- Better suited for highly custom pipelines
Pricing
Vapi ~$0.05–0.10/min + LLM + voice. Retell ~$0.07/min + LLM + voice. Roughly equivalent all-in.
See the full breakdown in Retell AI pricing breakdown.
The verdict
For 90% of inbound and outbound use cases, Retell ships faster with less code. Pick Vapi when you need a custom LLM or pipeline-level control.
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.
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