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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 →

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These tools competes with
Langfuse
vs
Weights & Biases

Choose Langfuse when…

  • •You want open-source LLM observability
  • •Self-hosting your tracing stack is important
  • •You need cost tracking across models and users

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
Langfuse
Weights & Biases
Category
Observability
Observability
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
Cloud: $59/mo
Teams: $50/user/mo
Stars
⭐ 7,000
—
Health
●95 — Active
—
Trajectory
— not enough data
— not enough data
Synced
today
—

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

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

Langfuse Website ↗GitHub ↗
Weights & Biases Website ↗

Shared Connections (1)

LangSmith

Only Langfuse (28)

CursorCrewAIAutoGenLangGraphLangChainLlamaIndexDifyMastra

Only Weights & Biases (1)

Langfuse
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