Vapi
Vapi: An API-driven platform for building and operating phone and web voice agents. Ranked #6 of 32 in AI Voice Agents by our editors (8.9/10); pricing: Paid; best for teams building and operating phone agents via API.
At a glance
- Editor score8.9 / 10
- PricingPaid
- Best forTeams building and operating phone agents via API
- Free planNo
- Paid from$29/mo
- Human handoffYes
- Facts checked19 Sep 2026
Where it wins
- Supports inbound, outbound, and web voice calls with live handoffs.
- Lets teams configure speech, language-model, and text-to-speech providers.
- Includes simulations, concurrency controls, monitoring, APIs, and SDKs.
Where it doesn't
- Usage-based billing can include provider and telephony costs.
- Core limits included phone numbers and concurrent calls compared with Pro.
- Pro starts at $999 per month; Premier pricing is custom.
Our verdict on Vapi
Vapi is a developer platform for building, deploying, and monitoring voice AI agents across phone and web calls. Its API and SDK access, configurable speech and language-model providers, and call controls suit teams creating customer-support, sales, appointment, and other conversational voice applications. It is a better fit for teams that want to assemble and operate an agent stack than for buyers seeking a simple, ready-made phone system.
The published plans separate usage-based access from fixed monthly Success Packages. No Success Package starts at $0 and includes usage-based billing, $5 in free credits to get started, one Vapi phone number, four concurrent calls, and full platform access. Core costs $29 per month and includes five phone numbers, ten concurrent calls, 30 days of raw data retention, and email support. Pro is $999 per month minimum, with ten phone numbers, 30 concurrent calls, 180 days of raw data retention, RBAC and ZDR, and a 99% uptime SLA. Premier has custom pricing and offers custom phone-number counts, RBAC, ZDR, and SSO, with dedicated SIP available. The starting option is not a free plan, and its usage-based approach may also involve provider and telephony costs.
The standout capability is configuration across the voice stack: teams can select speech-to-text, language-model, and text-to-speech providers, with listed integrations including OpenAI, Anthropic, ElevenLabs, Deepgram, Twilio, and Google Cloud. Vapi also supports inbound and outbound calls, web voice calls through SDKs, live handoffs, simulations, concurrency management, and monitoring. That breadth offers flexibility but requires teams to make provider and implementation choices. Choose Vapi when API control and configurable calling workflows matter; teams looking for a fixed, low-effort turnkey agent experience may prefer a simpler alternative.
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Vapi pricing
Vapi fact sheet
| Free plan | No |
|---|---|
| Paid from | $29/mo |
| Inbound calls | Yes |
| Outbound calls | Yes |
| Human handoff | Yes |
| Supported languages | Not verified |
| Concurrent calls | 10 calls |
| Custom phone numbers | Yes |
| Deployment | Cloud, Mobile |
| Platforms | Web, iOS |
| Integrations | 20 integrations: OpenAI, Anthropic, ElevenLabs, Deepgram, Cartesia, AssemblyAI … |
| Pricing | Paid (source) |
| Website | vapi.ai |
| Facts checked | 19 Sep 2026 |
Vapi integrations
Vapi lists 20 integrations on its own site.
- OpenAI
- Anthropic
- ElevenLabs
- Deepgram
- Cartesia
- AssemblyAI
- PlayHT
- Azure
- Google Gemini
- Groq
- Perplexity
- Gladia
- Twilio
- AWS S3
- Google Cloud
- Google Calendar
- Zendesk
- Notion
- Zapier
- Apollo.io
Alternatives to Vapi
- Retell AIPractical inbound and outbound phone automation with transfers, testing, and analytics.9.4
- ToneA full voice-agent toolkit with free self-hosting and cloud usage priced per minute.9.3
- LiveKit AgentsAn open framework for building realtime voice agents, with optional managed cloud plans.9.2
Vapi vs the competition
- Vapi vs Retell AI
- Vapi vs Tone
- Vapi vs LiveKit Agents
- Vapi vs Pipecat
- Vapi vs Deepgram Voice Agent API
- Vapi vs Cognigy
Compare Vapi with any tool side by side →
Also Ranked In
Vapi is ranked in 3 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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