Vapi
Excellentby Vapi · founded 2023 · updated Jul 2026
Vapi is an API-first platform for building, testing and deploying voice AI agents that handle real phone calls. It orchestrates speech-to-text, LLMs and text-to-speech with sub-second latency, and adds telephony, tool calling, squads of agents and call analytics, making it the default infrastructure choice for teams shipping voice agents.
Voice & AudioUsage-basedEstablishedFrom $0.05 per minute + provider costs
85.3TIP Score
The score, taken apart
Fixed weights, sources attached, the formula
Capability(30%)88
Value for Money(15%)82
Security & Compliance(15%)78
Integrations & Ecosystem(15%)90
Maturity & Reliability(10%)76
Momentum(15%)92
Best for
- ◆Voice agents for support and sales calls
- ◆Telephony automation at scale
- ◆Teams wanting provider flexibility
Key integrations
TwilioOpenAIAnthropicElevenLabsDeepgramWebhooks / tool calling
Strengths
- ＋Sub-second latency voice orchestration at scale
- ＋Model- and voice-provider agnostic
- ＋Rich developer tooling: testing, squads, analytics
Limitations
- －Per-minute costs stack with underlying providers
- －Developer-focused; no true no-code experience
- －Voice-only scope
Evidence behind this score
Every TIP Score is backed by verifiable claims. Data is a curated snapshot, always confirm current terms with the vendor.
| Claim | Source | As of |
|---|---|---|
| Orchestrates STT, LLM and TTS for real-time phone agents with tool calling | Vapi documentation | Jun 2026 |
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