Side-by-side comparison

Portkey vs Langfuse

A factual comparison generated from the two reviewed directory profiles. Follow the official links for current plan limits and product terms.

SignalPortkeyLangfuse
TaglineAn AI gateway with observability, routing, and guardrails.Open-source tracing, prompt management, and evaluation for LLM apps.
CategoryDeveloper toolsDeveloper tools
PricingFreemiumOpen source
PlatformsWeb, APIWeb, API
Features
  • An AI gateway with observability, routing, and guardrails
  • Tracing and evaluation workflows
  • Prompt, model, or agent observability
  • Open-source tracing, prompt management, and evaluation for LLM apps
  • Tracing and evaluation workflows
  • Prompt, model, or agent observability
TagsAPI, ResearchAPI, Research
Community0 votes · 0 saves0 votes · 0 saves

Choose Portkey when

An AI gateway with observability, routing, and guardrails.

Portkey is an AI product focused on an AI gateway with observability, routing, and guardrails. Its official product surface combines tracing and evaluation workflows with prompt, model, or agent observability. It is best evaluated for teams or individuals who need to measure and debug the quality of AI application behavior.

Read the Portkey profile

Choose Langfuse when

Open-source tracing, prompt management, and evaluation for LLM apps.

Langfuse is an AI product focused on open-source tracing, prompt management, and evaluation for LLM apps. Its official product surface combines tracing and evaluation workflows with prompt, model, or agent observability. It is best evaluated for teams or individuals who need to measure and debug the quality of AI application behavior.

Read the Langfuse profile