AIchitect
StacksGraphBuilderSimulateCompareGenomeActivityPulse
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 →

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?
Browse all categories →
These tools competes with
Weights & Biases
vs
Langfuse

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

Choose Langfuse when…

  • •You want open-source LLM observability
  • •Self-hosting your tracing stack is important
  • •You need cost tracking across models and users
Field
Weights & Biases
Langfuse
Category
Observability
Observability
Type
SaaS
OSS
Free Tier
✓ Yes
✓ Yes
Plans
Teams: $50/user/mo
Cloud: $59/mo
Stars
—
⭐ 7,000
Health
—
●95 — Active
Trajectory
— not enough data
— not enough data
Synced
—
today

Weights & Biases

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

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with broad framework support. Acquired by ClickHouse in January 2026; OSS core continues with deeper ClickHouse-backed analytics.

Weights & Biases Website ↗
Langfuse Website ↗GitHub ↗

Shared Connections (1)

LangSmith

Only Weights & Biases (1)

Langfuse

Only Langfuse (28)

CursorCrewAIAutoGenLangGraphLangChainLlamaIndexDifyMastra
See full comparison in Explore →