AIchitect
StacksGraphBuilderCompare
123 tools · 10 stacks
GitHub

AI tools are all over the place. This is the full landscape — 123 tools across 12 categories, mapped and connected. Ready to narrow it down? Build your stack →

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?
React Flow mini map
Press enter or space to select a node.You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.
These tools integrates with
LangChain
vs
Anthropic API

Choose LangChain when…

  • •You want a broad, flexible LLM orchestration toolkit
  • •You need integrations with many tools and data sources
  • •You're prototyping or exploring LLM app patterns

Choose Anthropic API when…

  • •You need long context windows (200k tokens)
  • •Safety, reliability, and reasoning quality matter most
  • •You're building agents that require deep code understanding
Field
LangChain
Anthropic API
Category
Pipelines & RAG
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✗ No
Plans
—
API: Per token
Stars
⭐ 93,000
—

LangChain

Most widely used framework for building LLM applications. Chains, agents, RAG pipelines, and deep integrations with 300+ tools.

Anthropic API

API access to Claude model family including Claude 3.5 Sonnet, Haiku, and Opus. Excels at coding, analysis, long-context tasks, and safety-critical applications.

LangChain Website ↗GitHub ↗
Anthropic API Website ↗

Shared Connections (7)

CrewAIAutoGenLlamaIndexLiteLLMOpenAI APIPortKeyVercel AI SDK

Only LangChain (17)

OpenHandsLangGraphSemantic KernelLangSmithQdrantChromaPineconeWeaviate

Only Anthropic API (8)

LangChainMastraPydanticAIsmolagentsAgnoHeliconeMistral APIStainless
See full comparison in Explore →