LiteLLM vs Promptfoo

A side-by-side comparison to help you choose the right tool.

LiteLLM scores higher overall (89/100)

But the best choice depends on your specific needs. Compare below.

Pricing
Open-source core; paid or managed offerings vary by vendor and deployment path.
Free plan
Yes
Best for
Platform teams managing multiple LLM vendors, Teams that need routing, cost tracking, and guardrails, Developers tired of rewriting provider-specific integrations
Platforms
mac, windows, linux, api
API
Yes
Languages
en
Pricing
Open-source core; free to run in your own workflows.
Free plan
Yes
Best for
Teams serious about AI testing discipline, Developers comparing prompts and providers, Organizations building evals into release workflows
Platforms
mac, windows, linux, api
API
Yes
Languages
en

Choose LiteLLM if:

  • You are Platform teams managing multiple LLM vendors
  • You are Teams that need routing, cost tracking, and guardrails
  • You are Developers tired of rewriting provider-specific integrations
  • You want to start free
Read LiteLLM review →

Choose Promptfoo if:

  • You are Teams serious about AI testing discipline
  • You are Developers comparing prompts and providers
  • You are Organizations building evals into release workflows
  • You want to start free
Read Promptfoo review →

FAQ

What is the difference between LiteLLM and Promptfoo?
LiteLLM is an open-source sdk and gateway that standardizes access to many model providers behind an openai-style or native interface. Promptfoo is an open-source testing and evaluation framework for prompts and models, designed to fit into ci/cd and comparison workflows.
Which is cheaper, LiteLLM or Promptfoo?
LiteLLM: Open-source core; paid or managed offerings vary by vendor and deployment path.. Promptfoo: Open-source core; free to run in your own workflows.. LiteLLM has a free plan. Promptfoo has a free plan.
Who is LiteLLM best for?
LiteLLM is best for Platform teams managing multiple LLM vendors, Teams that need routing, cost tracking, and guardrails, Developers tired of rewriting provider-specific integrations.
Who is Promptfoo best for?
Promptfoo is best for Teams serious about AI testing discipline, Developers comparing prompts and providers, Organizations building evals into release workflows.