Promptfoo vs Cowork
A side-by-side comparison to help you choose the right tool.
88
Promptfoo scores higher overall (88/100)
But the best choice depends on your specific needs. Compare below.
| Feature | Promptfoo | Cowork |
|---|---|---|
| Our score | 88 | 82 |
| Pricing | Open-source core; free to run in your own workflows. | Research-preview style capability tied to supported Claude paid plans, especially Pro and Max rollouts. |
| Free plan | Yes | No |
| Best for | Teams serious about AI testing discipline, Developers comparing prompts and providers, Organizations building evals into release workflows | Power users who want Claude to work more autonomously, People juggling phone and desktop workflows, Users comfortable granting Claude broader local context |
| Platforms | mac, windows, linux, api | web, mac, windows, ios, android |
| API | Yes | No |
| Languages | en | en |
| Pros |
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| Cons |
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| Visit site | Visit site |
- 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
Cowork
82
- Pricing
- Research-preview style capability tied to supported Claude paid plans, especially Pro and Max rollouts.
- Free plan
- No
- Best for
- Power users who want Claude to work more autonomously, People juggling phone and desktop workflows, Users comfortable granting Claude broader local context
- Platforms
- web, mac, windows, ios, android
- API
- No
- Languages
- en
88Choose 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
82Choose Cowork if:
- You are Power users who want Claude to work more autonomously
- You are People juggling phone and desktop workflows
- You are Users comfortable granting Claude broader local context
FAQ
- What is the difference between Promptfoo and Cowork?
- Promptfoo is an open-source testing and evaluation framework for prompts and models, designed to fit into ci/cd and comparison workflows. Cowork is anthropic's task-oriented workspace for handing claude longer-running jobs across your desktop context, files, and connected tools.
- Which is cheaper, Promptfoo or Cowork?
- Promptfoo: Open-source core; free to run in your own workflows.. Cowork: Research-preview style capability tied to supported Claude paid plans, especially Pro and Max rollouts.. Promptfoo 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 Cowork best for?
- Cowork is best for Power users who want Claude to work more autonomously, People juggling phone and desktop workflows, Users comfortable granting Claude broader local context.