AIchitect
StacksGraphBuilderCompareGenome
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 competes with
LangSmith
vs
Weights & Biases

Choose LangSmith when…

  • •You're already in the LangChain ecosystem
  • •You want end-to-end tracing for LangChain apps
  • •Dataset management and evals are part of your workflow

Choose Weights & Biases when…

  • •You're running ML experiments alongside LLM work
  • •Model training tracking and artifact management are needed
  • •You're a data scientist who uses Weights & Biases already
Field
LangSmith
Weights & Biases
Category
LLM Infrastructure
Prompt & Eval
Type
SaaS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
Plus: $39/mo
Teams: $50/user/mo
Stars
—
—
Health
—
—
Trajectory
— not enough data
— not enough data

LangSmith

LangChain's observability platform. Trace every LLM call, run evals on datasets, and manage prompts in production.

Weights & Biases

Industry-standard ML experiment tracking platform with LLM-specific tools for prompt evaluation, fine-tuning monitoring, and dataset versioning.

LangSmith Website ↗
Weights & Biases Website ↗

Shared Connections (1)

Langfuse

Only LangSmith (8)

CursorLangGraphLangChainPydanticAIHeliconeBraintrustWeights & BiasesAgentOps

Only Weights & Biases (1)

LangSmith
See full comparison in Explore →