Which one, by use case
| If you care about | Leads | Retell AI | Vapi |
|---|---|---|---|
| Lowest cost at 1,000 minutes a month$20 a month apart, Pay as you go (voice agents) plan against No Success Package plan | Vapi | $70 | $50 |
| Lowest starting priceA starting price is missing for one or both | Can't compute | $0.07/minute | $29/mo |
| Trying it freeNo free plan found for either | Not found | Trial: $10 in free credits at signup, full platform access, no contract; then pay... | One-off allowance: $5 free credits to start, then pay per minute |
| Buying without a sales call | Tie | Self-serve + sales | Self-serve + sales |
| No long contract | Not found | no annual contract | Not found |
| Most voice agent platforms checks statedCounted from quotes on each vendor's site, not tested | Tie | 8 of 8 | 8 of 8 |
| Security reviewSOC 2, GDPR, HIPAA BAA and SSO, in the vendor's own words | Tie | 4 of 4 stated | 4 of 4 stated |
| Fewest price rises on recordFrom archived copies of each pricing page | Tie | 0 since 2024Q4 | 0 since 2026Q2 |
Each row is computed from the two records, with no overall winner. "Not found" means a record doesn't state it, so that row can't be decided.
Plans side by side
| Retell AI plan | Price | Included |
|---|---|---|
| Pay as you go (voice agents)/ min"$0.07-$0.31 / min for AI Voice Agents" | $0.07/minute | – |
| Pay as you go (chat agents)/ msg"$0.002+/ msg for AI Chat Agents" | $0.002/msg | – |
| Enterprise"Custom Pricingfor AI Voice Agents" | Quote | – |
Read from Retell AI's pricing page on Oct 29, 2026.
| Vapi plan | Price | Included |
|---|---|---|
| Core/ month"unity email support without sla choose your success package core for builders & early..." | $29 | 5 phone numbers |
| Pro$999/mo minimum"$999/mo minimum" | $999 | 10 phone numbers |
| No Success Package/min"Pre-paid, $0.05/min Vapi hosting." | $0.05/minute | – |
| Premier"Direct sales only" | Quote | – |
Read from Vapi's pricing page on Oct 29, 2026.
Voice agent platforms checks
| Check | Retell AI | Vapi |
|---|---|---|
| Inbound calls | Stated"Deploy your agent in minutes for inbound calls, outbound campaigns, web, or SMS." | Stated"Twilio Inbound$0.008 / min" |
| Outbound calls | Stated"Run outbound campaigns without stitching together another dialer." | Stated"Twilio Outbound$0.014 / min" |
| Phone numbers included | Stated"Retell Phone Numbers" | Stated"1 included Vapi phone number" |
| Choose your AI model | Stated"Speech-to-speech LLM" | Stated"Full model catalog" |
| Choose the voice | Stated"Retell Platform Voices" | Stated"Configure everything from voice and conversation flow, to telephony and integrations." |
| Public API | Stated"Webhooks and API Access" | Stated"API/CLI access" |
| Connects to your tools | Stated"Connect to any CRM, telephony, automation platform" | Stated"Webhook and custom model integrations" |
| HIPAA option | Stated"HIPAA / BAA" | Stated"HIPAA eligible data handling. Standard Data Processing Agreement and Business Associate Agreement" |
Fine print
| Term | Retell AI | Vapi |
|---|---|---|
| Billing increment | nearest second"Each call is tracked to the nearest second." | Not found |
| Contract | no annual contract"with no annual contract and no per-resolution charge" | Not found |
| Refunds | fees non-refundable except as required by law or stated in terms"All fees are non-refundable except as required by law or as otherwise expressly provided for in these Terms." | Non-consumption fees may be refunded pro rata at Vapi's discretion; usage fees non-refundable"it will be calculated on a pro-rata basis according to the number of unused days remaining in the..." |
| Auto renew | auto-renews monthly unless workspace deleted or subscription items removed"Failure to do so will result in the automatic renewal of the Services for the Subscription Period, and you..." | Core is pre-paid and auto-renews"Pre-paid, auto-renew" |
| Price change notice | Not found | Advance notice of material pricing changes, with option to cancel"If we introduce material changes to pricing, we will notify you in advance and will provide you an option..." |
Security and your data
| Question | Retell AI | Vapi |
|---|---|---|
| Trains AI on your data? | yes"to train the artificial intelligence models that support our Services or that support our business and..." | may be retained to help train and improve AI models"Call recordings, transcripts and logs may be retained to help train and improve the AI models, in..." |
| HIPAA (signs a BAA) | available"if the parties have executed a Business Associate Agreement ("BAA"), Protected Health Information is not..." | available as $2,000/month add-on on any package"HIPAA eligible data handling. Standard Data Processing Agreement and Business Associate Agreement" |
| SOC 2 | SOC2 Type II"Fully compliant with HIPAA, SOC2 Type II, GDPR and ISO 27001." | yes"SOC 2, HIPAA, and PCI compliant" |
| GDPR | compliant"Fully compliant with HIPAA, SOC2 Type II, GDPR and ISO 27001." | GDPR rights covered"Your Data Protection Rights Under General Data Protection Regulation (GDPR)" |
| Single sign-on | Enterprise"Custom SSO" | Premier"Custom RBAC + ZDR + SSO" |
The vendors' own words. We don't audit security claims. The full trust table.
Price history
No price changes on Retell AI's pricing page since 2024Q4, across 3 archived reads.
No price changes on Vapi's pricing page since 2026Q2, across 3 archived reads.
From archived copies of each pricing page in the Internet Archive, one per quarter, in USD. All price changes.