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207 tools · 25 stacks

AI tools are all over the place. This is the full landscape — 207 tools across 17 categories, mapped and connected. Ready to narrow it down? Build your stack →

Team size

Budget

Use case

Stage

Cluster

Stack Layers
What are you building and how is it defined?
How do you write and ship code?
How does your AI think and act?
Which models and infrastructure power it?
How do you build, observe, and extend it?
These tools integrates with
LangGraph
vs
Vapi

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
Field
LangGraph
Vapi
Category
Agent Frameworks
Voice AI
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
—
Pay-as-you-go: $0.05/minEnterprise: Custom
Stars
⭐ 8,000
—
Health
●80 — Active
—
Trajectory
— not enough data
— not enough data
Synced
today
—

LangGraph

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

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 Website ↗GitHub ↗
Vapi Website ↗

Shared Connections (3)

ElevenLabsDeepgramRetell AI

Only LangGraph (22)

CursorCrewAILangChainLangSmithLiteLLMLlamaIndexLangfuseQdrant

Only Vapi (1)

LangGraph
See full comparison in Explore →