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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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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?
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These tools integrates with
Langfuse
vs
OpenAI API

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 OpenAI API when…

  • •You need the broadest ecosystem and most integrations
  • •GPT-4 or o-series reasoning models are required
  • •Assistants API, fine-tuning, or batch API are needed
Field
Langfuse
OpenAI API
Category
Observability
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✗ No
Plans
Cloud: $59/mo
API: Per token
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.

OpenAI API

API access to GPT-5, GPT-5.5, o3/o4 reasoning models, and the Responses API; plus embeddings, image, audio, and Realtime endpoints. The most widely deployed LLM API in production.

Langfuse Website ↗GitHub ↗
OpenAI API Website ↗

Shared Connections (12)

CrewAIAutoGenLangChainLlamaIndexMastraAgnoLiteLLMPortKeyDeepEvalHeliconePromptFooVercel AI SDK

Only Langfuse (17)

CursorLangGraphDifyLangSmithRAGASOpenAI APIBraintrustArize Phoenix

Only OpenAI API (26)

PydanticAIsmolagentsLangfuseAnthropic APIMistral APICohere APIGroqTogether AI
See full comparison in Explore →