Promptfoo vs Google Antigravity

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

Promptfoo scores higher overall (88/100)

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

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
Pricing
Preview/experimental access; no standalone commercial pricing published.
Free plan
Yes
Best for
Developers exploring next-generation agentic IDE workflows, Teams watching where Google is heading with AI-native dev tools, Early adopters who like experimental tooling
Platforms
web
API
No
Languages
en

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 →

Choose Google Antigravity if:

  • You are Developers exploring next-generation agentic IDE workflows
  • You are Teams watching where Google is heading with AI-native dev tools
  • You are Early adopters who like experimental tooling
  • You want to start free
Read Google Antigravity review →

FAQ

What is the difference between Promptfoo and Google Antigravity?
Promptfoo is an open-source testing and evaluation framework for prompts and models, designed to fit into ci/cd and comparison workflows. Google Antigravity is google's experimental agent-first ide concept aimed at automating more of the software-development cycle, including browser-assisted work.
Which is cheaper, Promptfoo or Google Antigravity?
Promptfoo: Open-source core; free to run in your own workflows.. Google Antigravity: Preview/experimental access; no standalone commercial pricing published.. Promptfoo has a free plan. Google Antigravity has a free plan.
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.
Who is Google Antigravity best for?
Google Antigravity is best for Developers exploring next-generation agentic IDE workflows, Teams watching where Google is heading with AI-native dev tools, Early adopters who like experimental tooling.