These tools integrates with

LangGraphvsVapi

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

Compare interactively in Explore →

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
●80 — 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

ElevenLabsDeepgramRetell AI

Only LangGraph (22)

CrewAILangSmithLiteLLMLlamaIndexLangfuseQdrantE2BpgvectorClaude CodeSweep AI

Only Vapi (1)

LangGraph

Explore the full AI landscape

See how LangGraph and Vapi fit into the bigger picture — 207 tools, 452 relationships, all mapped.

Open in Explore →