Observed arrival · 2026-11-10
A buyer’s map of AI red teaming
A comparison guide for 52 AI red-teaming vendors and open-source tools, with a needs-based matcher for buyers.
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✦Pretty
●Pro
◎Niche
◉Human
⚑Risk
ƒJS
- For
- Teams selecting AI red-teaming vendors
- Worth noticing
- The guide marks 16 of its 52 vendors and tools as now partly or wholly owned by larger companies.
Field notes
The chooser asks buyers what they need tested, then presents a recommended vendor, a reason and alternatives. The comparison is divided into areas such as automated platforms, agent testing, frontier-model safety and compliance mapping. Ownership entries distinguish completed acquisitions from some announced, pending deals; the page also shows examples ranging from a free Apache-licensed tool to vendor plans listed at $149 per month.
Observed signals
Read the marks
Editorial observations of this landing page, not a rating.
○OpenPublic substance visible
✦PrettyNotable craft visible
●ProPolished or operationally mature
◎NicheUnusually specific use
One card from the complete issue