Promptfoo
7.8#2 in llm evaluation toolsFree planFree planWebAPILinuxmacOS
VisitPromptfoo vs WebArena
What both publish
| Fact | Promptfoo | WebArena |
|---|---|---|
| Evaluation | It tests prompts across multiple providers, grades outputs with assertions, and calculates accuracy, safety, and performance metrics. | Evaluation checks information-seeking answers against annotated references and can programmatically check intermediate execution states. |
| License | The open-source project is distributed under the MIT license. | The WebArena code repository identifies its license as Apache-2.0. |
Promptfoo plans
- CommunityFree
- EnterprisePriced on request
- On-PremisePriced on request
WebArena plans
No prices published.
Pick Promptfoo if…
Promptfoo suits developers and enterprise teams evaluating prompts, model outputs, and AI application risks. Its local and self-hosted options may appeal to teams that want to run the Community plan on their own infrastructure.
Pick WebArena if…
You want what its maker publishes above — check its page for the details.