These tools integrates with

LangGraphvsVapi

Graph-based stateful agent orchestration versus Voice agent middleware for production phone and web agents

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Choose LangGraph when…

  • •You need stateful, graph-based agent control flow
  • •Complex branching or retry logic is required
  • •You're building production agents that need observability

Choose Vapi when…

  • •You're building phone or web voice agents with real-time conversation
  • •You need multi-provider LLM + TTS + STT routing in one platform
  • •You want production-grade call analytics and interruption handling

Side-by-side comparison

Field
LangGraph
Vapi
Category
Agent Frameworks
Voice AI
Type
Open Source
Commercial
Free Tier
✓ Yes
✓ Yes
Pricing Plans
—
Pay-as-you-go: $0.05/minEnterprise: Custom
GitHub Stars
⭐ 8,000
—
Health
●95 — Active
—

LangGraph

Build stateful multi-actor applications as directed graphs. Part of the LangChain ecosystem. Strong for complex agentic workflows.

Website ↗GitHub ↗

Vapi

Full-stack platform for building, testing, and deploying voice AI agents. Handles real-time telephony, multi-provider LLM routing, interruption detection, and call analytics. Most-adopted voice agent infrastructure in production.

Website ↗

Shared Connections3 tools both integrate with

DeepgramElevenLabsRetell AI

Only LangGraph (27)

CrewAICursorLangSmithLiteLLMLlamaIndexSweep AILangfuseQdrantE2Bpgvector

Only Vapi (3)

LangGraphPipecatLiveKit Agents

Explore the full AI landscape

See how LangGraph and Vapi fit into the bigger picture — 235 tools, 543 relationships, all mapped.

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