| What it does | Build Advanced Voice AI Agents
| Serverless AI Developer Platform
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| Stage | Established
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| Founded | Not given
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| Pricing model | usage-based
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| Pricing | Free tier with $5 credits included; Core plan at $29/month for early teams; Pro plan at $999/month minimum for scaling teams; Premier plan with custom pricing for enterprises. Per-minute costs range from $0.05 for Vapi hosting plus pass-through costs for transcription, LLM, and voice services.
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| Key features | - Ultra low latency responses under 500ms
- Natural conversation with turn-taking and human-like voices
- Live call tool and data access with external integrations
- 200+ built-in model integrations and custom model support
- Telephony control with SIP, warm transfers, and voicemail detection
- Enterprise-grade uptime with model and network failure recovery
- Full API access and powerful UI for all users
- Multilingual support for 100+ languages
- Automated testing and hallucination detection
- A/B testing and continuous optimization
| - Command Code - Frontier coding agent with Meta Neuro-Symbolic AI model
- Workflows - Multi-step and multi-agent orchestration
- Unified LLMs API - Access to 600+ language models
- MCP and Tools Integration
- AI Studio - Create, version, and collaborate on agents
- Tracing and Observability
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| What makes it different | - API-native platform with no vendor lock-in
- Deploy from prompt to production in minutes
- Enterprise-grade security with SOC 2, HIPAA, and PCI compliance
- Sub-500ms latency for real-time conversation
- Support SLA with reserved capacity and dedicated engineers
| - Only serverless composable AI infrastructure
- Near zero hallucinations with engineered accuracy
- Processes 700+ TB of vector memory and billions of AI agent runs monthly
- Deploy without managing containers or infrastructure
- Visibility into RAG retrieval for testing and debugging
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 78 ● no change since last check | 58 ● no change since last check |
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| Trust Flow (Majestic) | 30 | 25 |
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| Citation Flow (Majestic) | 49 | 39 |
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| Referring domains (Majestic) | 4101 | 481 |
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