Promptfoo vs Google Opal
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 | Google Opal |
|---|---|---|
| Our score | 88 | 78 |
| Pricing | Open-source core; free to run in your own workflows. | Public/preview positioning with pricing not clearly separated as a standalone commercial plan. |
| Free plan | Yes | Yes |
| Best for | Teams serious about AI testing discipline, Developers comparing prompts and providers, Organizations building evals into release workflows | Ops and business teams prototyping AI workflows quickly, Builders who want something lighter than full code, Teams exploring shareable AI task flows |
| Platforms | mac, windows, linux, api | web |
| API | Yes | Yes |
| Languages | en | en |
| Pros |
|
|
| Cons |
|
|
| 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
- Pricing
- Public/preview positioning with pricing not clearly separated as a standalone commercial plan.
- Free plan
- Yes
- Best for
- Ops and business teams prototyping AI workflows quickly, Builders who want something lighter than full code, Teams exploring shareable AI task flows
- Platforms
- web
- API
- Yes
- 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
78Choose Google Opal if:
- You are Ops and business teams prototyping AI workflows quickly
- You are Builders who want something lighter than full code
- You are Teams exploring shareable AI task flows
- You want to start free
FAQ
- What is the difference between Promptfoo and Google Opal?
- Promptfoo is an open-source testing and evaluation framework for prompts and models, designed to fit into ci/cd and comparison workflows. Google Opal is google's no-code or low-code ai workflow builder for chaining prompts, models, and tools into shareable mini-app style flows.
- Which is cheaper, Promptfoo or Google Opal?
- Promptfoo: Open-source core; free to run in your own workflows.. Google Opal: Public/preview positioning with pricing not clearly separated as a standalone commercial plan.. Promptfoo has a free plan. Google Opal 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 Opal best for?
- Google Opal is best for Ops and business teams prototyping AI workflows quickly, Builders who want something lighter than full code, Teams exploring shareable AI task flows.