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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
Arize Phoenix
vs
Langfuse

Choose Arize Phoenix when…

  • •You need ML observability beyond just LLMs
  • •RAG pipeline tracing and eval integration is required
  • •You're running experiments and need a notebook-friendly tool

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
Arize Phoenix
Langfuse
Category
LLM Infrastructure
LLM Infrastructure
Type
OSS
OSS
Free Tier
✓ Yes
✓ Yes
Plans
Enterprise: Custom
Cloud: $59/mo
Stars
⭐ 4,000
⭐ 7,000
Health
●75 — Active
●80 — Active
Trajectory
— not enough data
— not enough data
Synced
today
today

Arize Phoenix

Open-source observability platform for ML and LLM applications. Supports tracing, evaluation, and dataset management with a strong eval framework.

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with clean UX.

Arize Phoenix Website ↗GitHub ↗
Langfuse Website ↗GitHub ↗

Shared Connections (1)

Helicone

Only Arize Phoenix (1)

Langfuse

Only Langfuse (27)

CursorCrewAIAutoGenLangGraphLangChainLlamaIndexDifyMastra
See full comparison in Explore →