Promptfoo vs Codex Plugins
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 | Codex Plugins |
|---|---|---|
| Our score | 88 | 80 |
| Pricing | Open-source core; free to run in your own workflows. | Feature availability depends on Codex access path and product tier; usage may also depend on underlying API costs. |
| Free plan | Yes | Yes |
| Best for | Teams serious about AI testing discipline, Developers comparing prompts and providers, Organizations building evals into release workflows | Teams extending coding agents into internal workflows, Developers who need Codex to call tools beyond plain code editing, Builders experimenting with controlled agent integrations |
| Platforms | mac, windows, linux, api | web, mac, windows, linux, api |
| API | Yes | Yes |
| 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
- Pricing
- Feature availability depends on Codex access path and product tier; usage may also depend on underlying API costs.
- Free plan
- Yes
- Best for
- Teams extending coding agents into internal workflows, Developers who need Codex to call tools beyond plain code editing, Builders experimenting with controlled agent integrations
- Platforms
- web, mac, windows, linux, api
- 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
80Choose Codex Plugins if:
- You are Teams extending coding agents into internal workflows
- You are Developers who need Codex to call tools beyond plain code editing
- You are Builders experimenting with controlled agent integrations
- You want to start free
FAQ
- What is the difference between Promptfoo and Codex Plugins?
- Promptfoo is an open-source testing and evaluation framework for prompts and models, designed to fit into ci/cd and comparison workflows. Codex Plugins is an integration layer for connecting openai codex to external tools and internal systems in a more controlled way.
- Which is cheaper, Promptfoo or Codex Plugins?
- Promptfoo: Open-source core; free to run in your own workflows.. Codex Plugins: Feature availability depends on Codex access path and product tier; usage may also depend on underlying API costs.. Promptfoo has a free plan. Codex Plugins 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 Codex Plugins best for?
- Codex Plugins is best for Teams extending coding agents into internal workflows, Developers who need Codex to call tools beyond plain code editing, Builders experimenting with controlled agent integrations.