Arthur vs Promptfoo
ArthurAI Observability
PromptfooAI Evaluation and Testing
Arthur AI Observability Ship Reliable AI Agents Fast | Promptfoo AI Evaluation and Testing Ship agents, not vulnerabilities | |
|---|---|---|
| Overview | ||
| Category | AI Observability | AI Evaluation and Testing |
| What it is | AI observability and evaluation platform for LLM and traditional ML models. | Open-source tool for testing and evaluating LLM prompts, models, and RAG pipelines with side-by-side comparisons. |
| Pricing | ||
| Published price | No current public numeric pricing was verified for Arthur. Pricing is provided through sales or depends on usage, scope, or deployment requirements. | Promptfoo offers a free or open-source edition, but no citable paid numeric starting price was found on the current official site; commercial or enterprise terms require a quote. |
| Pricing model | Tiered plans | Not available |
| Free options | Free plan · Free trial | Free plan · Free trial |
| Deal on Cubbie | None right now | None right now |
| Company | ||
| Founded | 2018 | 2023 |
| Team size | 51-200 employees | 11-50 employees |
| Headquarters | Washington, DC | San Francisco, CA |