Best AI Red Teaming Services

Vendor profileChecked Nov 8, 2026

Gray Swan

Gray Swan AI · grayswan.ai · Last checked:

  • Automated red-teaming platform
  • Managed red-team engagement
  • Crowdsourced researcher network
  • Runtime guardrails

Company status

Active, privately held. Announced a $40 million Series A on May 28, 2026, led by Wing Venture Capital and Madrona.

Sources 1, 2, 3, 4 · checked 2026-11-08

Capabilities

  • Shade: automated, LLM-powered adversarial agent that tests models, guardrails, tools, and deployment context, with retest after remediation
  • Private AI red-teaming service by hand-selected human Arena researchers, scoped to your deployment: prompt injection, tool exploitation, attack chains
  • Arena: crowdsourced red-teaming competition network of human researchers
  • Deliverables: executive summary, reproducible transcripts, severity classifications, remediation roadmap, raw data
  • Cygnal runtime protection; cloud, on-premises, and VPC deployment options

Sources 1, 2, 3, 4 · checked 2026-11-08

Who it tends to fit

  • Model builders and enterprises that want human red teamers plus an automated tool
  • Teams that want findings turned into runtime detection rules

Sources 1, 2, 3, 4 · checked 2026-11-08

Pricing

Contact vendor (schedule a demo or consultation)

Sources 1, 2, 3, 4 · checked 2026-11-08

Published certifications

None found / not verified. This is not a finding that Gray Swan lacks certifications; ask the vendor for documentation.

Homepage footer shows badge images, and the Trust Center (trust.grayswan.ai) returned 403 to our checks, so no certification is listed here. Ask the vendor for reports.

Listed as stated by the vendor. Scope can differ by product or subsidiary; request current reports.

Sources 1, 2, 3, 4 · checked 2026-11-08

Limitations to check

  • No public pricing
  • Certifications not verified (Trust Center blocked automated access)
  • Service page does not reference OWASP or MITRE ATLAS; ask for framework mapping in the report

Sources 1, 2, 3, 4 · checked 2026-11-08

Sources

  1. Homepage lists Shade, Cygnal, Arena, Adversarial Evaluation, and AI Red-Teaming services; demo and consultation routeswww.grayswan.ai/Checked 2026-11-08
  2. AI Red-Teaming service: hand-selected Arena researchers, deployment scope, deliverables listwww.grayswan.ai/solutions/ai-red-teamingChecked 2026-11-08
  3. Shade: autonomous adversarial campaigns, reproductions and severity ratings, test again after remediationwww.grayswan.ai/solutions/platform/shadeChecked 2026-11-08
  4. May 28, 2026: $40 million Series A led by Wing Venture Capital and Madronawww.grayswan.ai/news/gray-swan-announces-series-aChecked 2026-11-08

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