Comet vs Vapi Pricing (2026)
How do these two stack up on price? Here's what each one costs, what you get, and where the value sits.
| Comet pricing | Vapi pricing | |
|---|---|---|
| Starts at | $19/mo | $29/mo |
| Number of plans | 4 | 4 |
| Free plan | ||
| Free trial | — | |
| Pricing model | hybrid | hybrid |
Price is one row. To weigh the features too, use our feature comparison template →
Open Source
- Full AI observability & agent testing feature set
- True OSS: same codebase as the hosted versions
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
Free Cloud
- Up to 10 team members
- 25k spans per month
- 60-day data retention
- Agent tracing & analysis
- Test Suites & assertions
- Agent Playground
- Ollie coding harness trial
Pro Cloud
Popular- Up to 50 team members
- 100k spans per month
- 60-day data retention
- Customizable monthly span limits
- Customizable data retention periods
Enterprise
- Unlimited team members
- Custom usage plans
- Flexible deployments
- Service accounts and view-only users
- Single sign-on
- Dedicated support and SLAs
- SOC 2, ISO 27001, ISO 9001, HIPAA, and GDPR compliance
No Success Package
- $5 free credits to get you started
- 2 organizations
- 1 included Vapi phone number
- 4 concurrent calls
- 14 days raw data retention
- Full model catalog
- Full platform access
- Peer to peer support via Discord community
- Email support without SLA
Core
- 2 organizations
- 5 included Vapi phone numbers
- 10 concurrent calls
- 30 days raw data retention
- ZDR included
- Email support
- 2 business day response SLA
Pro
- 10 organizations
- 10 included Vapi phone numbers
- 30 concurrent calls
- 180 days raw data retention
- RBAC + ZDR
- Email + dedicated Slack support
- 1 business day response SLA
- 99% uptime SLA
Premier
- Elevated orgs, concurrency, and data retention
- Custom number of Vapi phone numbers
- Priority support
- Named support team with Agent Strategist, FDE Advisor, and onboarding support
- 1 hour for P0 response SLA
- 99.9% uptime SLA
- Custom RBAC + ZDR + SSO
- Dedicated SIP available
Comet vs Vapi FAQ
- Which one is cheaper?
- Comet starts lower at $19/mo, compared to $29/mo for Vapi.
- Can I use either one for free?
- Both offer free plans, so you can try each without paying. Start with whichever fits your workflow better and upgrade when you hit the limits.
- How do they charge?
- Both use a hybrid model, so the comparison is straightforward — it comes down to features and limits at each price point.
- Which one is a better deal?
- Depends on what you need. Comet: At $19/mo for Pro, Comet undercuts most enterprise-first MLOps and LLM observability tools that gate everything behind a sales call — this is a land-and-expand play aimed at developers and small teams who'd otherwise bounce off a 'contact us' wall. Vapi: Vapi plays the developer-first middle: a low $0.05/min platform fee with transparent pass-through costs undercuts bundled all-in-one voice agent platforms, though your real per-minute cost lands much higher once models are added. It's courting builders and agencies who want control over their stack rather than a turnkey product.
Still deciding? See the best Comet alternatives or the best Vapi alternatives, ranked with verified pricing.
Stop checking your competitors manually.
Outmano watches your competitors' prices and features for you. See how competitor pricing monitoring works.
Try Outmano free »
14-day free trial