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235 tools · 33 stacks

AI tools are all over the place. This is the full landscape — 247 tools across 21 categories, mapped and connected. Ready to narrow it down? Build your stack →

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What are you building and how is it defined?
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These tools integrates with
Vapi
vs
LangGraph

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

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
Field
Vapi
LangGraph
Category
Voice AI
Agent Frameworks
Type
SaaS
OSS
Free Tier
✓ Yes
✓ Yes
Plans
Pay-as-you-go: $0.05/minEnterprise: Custom
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Stars
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⭐ 8,000
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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.

LangGraph

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

Vapi Website ↗
LangGraph Website ↗GitHub ↗

Shared Connections (3)

Retell AIElevenLabsDeepgram

Only Vapi (3)

LangGraphPipecatLiveKit Agents

Only LangGraph (24)

CursorCrewAILangChainLangSmithLiteLLMLlamaIndexLangfuseQdrant
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