Promptfoo
CLI and library for running LLM evals and red-team scans from config files locally or in CI.
By Promptfoo, Inc. (joining OpenAI) · www.promptfoo.dev
Package download activity
Each package is shown on its own; packages that can be installed together are never added up. Week 2026-W40 (2026-09-28 to 2026-10-04).
npmpromptfoo · headline (ranked)
1,020,946 downloads in the week, +26.9% vs prior week · rank 4 on npm
Reproduce this number (npm API) · registry metadata (mapping checked 2026-10-07)
PyPIpromptfoo · headline (ranked)
3,451 downloads in the week, +13.7% vs prior week · rank 34 on PyPI
Reproduce this number (ClickHouse SQL) · registry metadata (mapping checked 2026-10-07)
GitHub stars
promptfoo/promptfoo: 25,794 stars (rank 4). Stars are a point-in-time count of a repository's bookmarks, not people using the tool.
Series starts 2026-W40 (25,794).
Facts
| Categories | Evaluation, Guardrails & safety | |
|---|---|---|
| Status | Generally available | |
| Licence | MIT (open core) | source, checked 2026-10-07 |
| Self-host | Yes | source, checked 2026-10-07 |
| OpenTelemetry | Native (OTLP) | source, checked 2026-10-07 |
| Pricing model | contact | |
| Entry price | Contact sales; Community plan free forever (open source, red teaming 10k probes/month); Enterprise and On-Premise priced 'Custom' | source, checked 2026-10-07 |
| Free tier | Yes | |
| Measurability | Measured (mapped SDK packages) |
Facts last verified 2026-10-07 on first-party pages. Prices as published, taxes excluded; non-USD prices are not converted.
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