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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
Langfuse
vs
PromptLayer

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 PromptLayer when…

  • •You want prompt versioning and request logging
  • •Prompt history, replay, and A/B testing matter
  • •You need visibility into what prompts are running in production
Field
Langfuse
PromptLayer
Category
LLM Infrastructure
Prompt & Eval
Type
OSS
SaaS
Free Tier
✓ Yes
✓ Yes
Plans
Cloud: $59/mo
Pro: Paid
Stars
⭐ 7,000
—
Health
●80 — 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 clean UX.

PromptLayer

Log every LLM request, version prompts, and run A/B tests. Provides a visual interface for prompt engineering teams to iterate collaboratively.

Langfuse Website ↗GitHub ↗
PromptLayer Website ↗

Only Langfuse (28)

CursorCrewAIAutoGenLangGraphLangChainLlamaIndexDifyMastra

Only PromptLayer (2)

LangfuseHumanloop
See full comparison in Explore →