Vapi vs Vocode
A side-by-side comparison of capabilities, autonomy, integrations, and pricing to help you choose.
Short answer: choose Vapi if you want developer platform for voice ai agents that handle phone calls (Supervised agent, usage); choose Vocode if you want open-source framework for building real-time voice llm agents (Assistant, free).
| Vapi | Vocode | |
|---|---|---|
| What it is | Developer platform for voice AI agents that handle phone calls | Open-source framework for building real-time voice LLM agents |
| Type | platform | framework |
| Autonomy | Supervised agent | Assistant |
| Pricing | usage · $0.05/min platform fee + model costs at cost | free · Free (open source, MIT) |
| Best for | developers, smb, mid-market, enterprise | developers |
| Deployment | saas, api | self-hosted, api |
| Modalities | voice, text, api | voice, text, api, code |
| Models | model-agnostic, gpt, claude, gemini | model-agnostic, open-source |
| Protocols | rest-api, function-calling, mcp | rest-api, function-calling |
| Integrations | Twilio, Deepgram, ElevenLabs, OpenAI, Anthropic, Google | Twilio, Vonage, Zoom, Deepgram, ElevenLabs, Cartesia |
| Capabilities | 4 documented | 3 documented |
Vapi
- +Deep modularity and control: swap any STT/LLM/TTS provider, bring your own keys and models, fine-tune thousands of config points
- +Low latency at scale with enterprise reliability features (model fallbacks, SOC 2/HIPAA/PCI), validated by large production deployments
- +Transparent usage pricing with at-cost model pass-through and a low platform fee, plus open-source SDKs and a CLI
- -Complexity and steep setup; the no-code builder is limited and non-engineering teams face significant manual configuration
- -Costs can stack unpredictably: the per-minute fee is on top of separately billed provider costs and add-ons
Vocode
- +Genuinely modular and provider-agnostic across a broad STT/TTS/LLM menu
- +MIT-licensed and fully self-hostable with no lock-in
- +Solves the hard real-time voice problems (latency, endpointing, interruptions)
- -Effectively unmaintained: no commits since November 2024, making it production-risky
- -The hosted product appears wound down and the marketing site redirects to GitHub
Which should you choose?
Vapi is developer platform for voice ai agents that handle phone calls, best for developers, smb, mid-market, enterprise. Vocode is open-source framework for building real-time voice llm agents, best for developers. The right choice depends on the autonomy level you want, your existing integrations, and your budget, all compared above.