Promptfoo
Default OSS eval harness. Braintrust when you want hosted collaboration; Promptfoo when you want local/CI…
Default OSS eval harness. Braintrust when you want hosted collaboration; Promptfoo when you want local/CI control. Strengths: OSS + CI-native; Red teaming built-in; Multi-provider comparisons.
Lock-in risk: higher = more lock-in (worse). Overall already inverts this dimension.
Default OSS eval harness. Braintrust when you want hosted collaboration; Promptfoo when you want local/CI control.
Strengths
- · OSS + CI-native
- · Red teaming built-in
- · Multi-provider comparisons
Weaknesses
- · Less polished product UI than Braintrust
- · Enterprise features gated
- · You bring judge costs
Pricing notes
As of 2026-10-24 (promptfoo.dev/pricing, fetched 2026-10-24): Community 'Free Forever' ('Our open-source tool, perfect for individual developers and small teams.') with 'Red teaming (10k probes/month)' and 'Run locally or self-host on your own infrastructure'; 'A probe is a single request made to your target system during red team testing.' Enterprise 'Custom' ('Contact us for a personalized quote.'; 'Enterprise customers can purchase additional probes for larger scale testing.'; 'Managed cloud deployment'). On-Premise 'Custom' ('Deployment on your own infrastructure'). No list price is published, so Enterprise price stays null.
Sourced pricing
Contract status unavailable · no_sourced_price. Single normalized $/1M: null. Machine list: /api/pricing?provider=promptfoo
No sourced SKU row. Notes above stay prose.
Community signals
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