OpenAI vs Langfuse
Criteria
OpenAI
Langfuse
Tagline
AI models API
LLM engineering platform
Tagline
OpenAI: AI models API
Langfuse: LLM engineering platform
Pricing Model
paid
freemium
Pricing Model
OpenAI: paid
Langfuse: freemium
Starting Price
$0/mo
$0/mo
Starting Price
OpenAI: $0/mo
Langfuse: $0/mo
Free Plan
No
Yes
Free Plan
OpenAI: No
Langfuse: Yes
GitHub Stars
—
11.2k
GitHub Stars
OpenAI: —
Langfuse: 11.2k
npm Downloads/wk
19.8M
120.0k
npm Downloads/wk
OpenAI: 19.8M
Langfuse: 120.0k
GitHub Forks
—
1.1k
GitHub Forks
OpenAI: —
Langfuse: 1.1k
Open Issues
—
200
Open Issues
OpenAI: —
Langfuse: 200
Tags
llm, gpt, api, embeddings
llm-engineering, observability, prompt-management, open-source
Tags
OpenAI: llm, gpt, api, embeddings
Langfuse: llm-engineering, observability, prompt-management, open-source