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Agenta vs Promptfoo

Both stand on ai prompt management software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Agenta

Free plan Open source APISelf-hostedWeb

Agenta combines agent-building, automation, and run observability, with both cloud and self-hosted options. Account for run limits, provider charges, and infrastructure responsibilities when selecting an approach.

Visit Agenta

Promptfoo

Free plan Open source APILinuxMac+3

Promptfoo combines prompt evaluation with red-team testing and a broad provider and integration list. The free Community plan has a monthly probe limit; deployment and support needs may point to custom-priced plans.

Visit Promptfoo

The facts

AgentaPromptfoo
Free planYesYes
Open sourceYesYes
Runs onAPI, Self-hosted, WebAPI, Linux, Mac, Self-hosted, Web, Windows
Lowest paid planPro: $29 a monthFree or on request
Plans published83
MakerNot publishedNot published
Websiteagenta.aipromptfoo.dev
On ai prompt management software#1 of 25#3 of 25

Agenta: what it does well

  • Free cloud plan includes 5,000 monthly runs
  • Supports more than 1,000 integrations
  • Offers self-hosting and data-location control
  • Mobile app supports conversations and tool approvals

What to know first

  • Hobby runs stop at 5,000 per month
  • Model-provider charges are separate
  • Self-hosted users manage upgrades and backups

Promptfoo: what it does well

  • Lists more than 60 model providers.
  • Compares outputs across multiple models.
  • Community includes 10k red-team probes per month.
  • Offers local, self-hosted, managed-cloud and on-premise options.
  • Integrates with CI systems and security tools.

What to know first

  • Requires Node.js 22.22.0 or newer.
  • Community is limited to 10k red-team probes per month.
  • Enterprise and On-Premise pricing is custom and not listed.

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