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 competes with
LiteLLM
vs
OpenRouter

Choose LiteLLM when…

  • •You want a unified API across 100+ LLM providers
  • •You're switching between providers or running A/B tests
  • •You need fallbacks and load balancing across models

Choose OpenRouter when…

  • •You want a single API key for all frontier models
  • •You're experimenting with many different models
  • •Cost optimization across providers is important
Field
LiteLLM
OpenRouter
Category
LLM Infrastructure
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
Enterprise: Custom
Usage-based: Per token
Stars
⭐ 16,000
—

LiteLLM

OSS proxy that normalizes 100+ LLMs to the OpenAI format. Add routing, fallbacks, caching, and cost tracking in one layer.

OpenRouter

Routes requests to 200+ LLMs through one API. Handles fallbacks, cost optimization, and model discovery. Pay per token.

LiteLLM Website ↗GitHub ↗
OpenRouter Website ↗

Shared Connections (1)

Together AI

Only LiteLLM (28)

ContinueAiderClaude CodeOpenHandsPlandexCrewAIAutoGenLangGraph

Only OpenRouter (1)

LiteLLM
See full comparison in Explore →