Promptfoo vs Devin

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
Free Devin Review for any GitHub PR. Flexible pay-as-you-go plan at $20/month plus compute usage. Team and Enterprise plans available with custom pricing.
Free plan
Yes
Best for
Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent, Developers who need a second pair of eyes on PRs via the free Devin Review feature, Startups moving fast who need an AI that can take a ticket end-to-end without supervision, Teams evaluating autonomous AI engineers alongside Copilot and Cursor
Platforms
web
API
Yes
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 Devin if:

  • You are Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent
  • You are Developers who need a second pair of eyes on PRs via the free Devin Review feature
  • You are Startups moving fast who need an AI that can take a ticket end-to-end without supervision
  • You want to start free
Read Devin review →

FAQ

What is the difference between Promptfoo and Devin?
Promptfoo is an open-source testing and evaluation framework for prompts and models, designed to fit into ci/cd and comparison workflows. Devin is devin is an autonomous ai software engineer by cognition ai that plans, codes, debugs, and deploys across full codebases in a cloud-based ide. devin 2.0 introduced parallel agents, a $20/month plan, and a free code review tool for any github pr.
Which is cheaper, Promptfoo or Devin?
Promptfoo: Open-source core; free to run in your own workflows.. Devin: Free Devin Review for any GitHub PR. Flexible pay-as-you-go plan at $20/month plus compute usage. Team and Enterprise plans available with custom pricing.. Promptfoo has a free plan. Devin 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 Devin best for?
Devin is best for Engineering teams that want to delegate well-scoped coding tasks to an autonomous agent, Developers who need a second pair of eyes on PRs via the free Devin Review feature, Startups moving fast who need an AI that can take a ticket end-to-end without supervision, Teams evaluating autonomous AI engineers alongside Copilot and Cursor.