Vapi vs Retell AI
Pricing and features, side by side. Checked October 14, 2026.
| Vapi | Retell AI | |
|---|---|---|
| Starting price | $0 to start; $0.05/min Vapi hosting, models billed pass-through at cost | $0 platform fee; $0.07–$0.31/min for voice agents |
| Billing | Usage-based (per minute) + optional support package | Usage-based (per minute), pay as you go |
| Best for | Developers who want to choose their own LLM, transcriber, voice and telephony provider | Teams that want a no-code flow builder plus an API with itemized per-minute pricing |
| Key features | Bring-your-own model, transcriber and voice providers | No-code flow builder and API |
| Unlimited agents on every plan | Pre-built agent templates and call analytics | |
| Vapi telephony/SIP, WebSockets and WebRTC transport at no extra charge | Choice of many LLMs and voices (incl. ElevenLabs) priced per minute |
Both are developer-friendly voice agent platforms billed per minute. Vapi charges a $0.05/min hosting fee and passes model, voice and transcription costs through at cost, with optional support packages from $29/mo. Retell lists an all-component range of $0.07–$0.31/min with itemized prices, 20 concurrent calls included on pay-as-you-go, and a no-code flow builder.
Pick Vapi if you want maximum control over which providers you plug in and are comfortable assembling the stack.
Pick Retell if you want a no-code builder, templates and a single itemized bill from one vendor, with more concurrent calls before paying extra.