Gray Swan
Scorecard
Crowdsourced adversarial testing (Arena) plus Shade and Cygnal defense products; cited in 11 recent system cards.
VC-backed, Pittsburgh, US. Confidence high. Domains: jailbreak, cyber, misuse. Scores by preset: Lab procurement 40; Regulator or auditor 40; Public trust 35; Equal weights 38. Weakest dimension: role incompatibility 0/4.
What would move the score. Structural separation of the evaluation business, and independent governance for the OpenAI-related conflict beyond personal recusal.
- $40M Series A in May 2026 at a $200M valuation; revenue from every major lab.
Gray Swan announces Series A (Gray Swan, 2026-05-28) tier 3 selfconfirmed This AI Startup's Army of 15,000 Hackers (Forbes, 2026-05-28) tier 4 pressconfirmed2026-09-14 - Breadth across OpenAI, Anthropic, Google DeepMind, Meta, xAI and ByteDance, so no single lab dominates.
This AI Startup's Army of 15,000 Hackers (Forbes, 2026-05-28) tier 4 pressconfirmed2026-09-14
- Venture-backed for-profit; no published COI policy found.
Gray Swan announces Series A (Gray Swan, 2026-05-28) tier 3 selfconfirmed2026-09-14 - Series A co-led by Wing and Madrona with Obvious Ventures, Snowflake Ventures, Hudson River Trading, Samsung Next and Magarac; the co-lead's own post notes the chief scientist serves on OpenAI's board.
Why We Are Co-Leading Gray Swan's Series A (Madrona, 2026-05-28) tier 4 pressconfirmed Gray Swan raises $40M Series A to secure frontier AI (Dealroom, 2026-06) tier 4 pressunaudited2026-05-28
- Co-founder and chief scientist chairs OpenAI's Safety and Security Committee and sits on its nonprofit board.
Zico Kolter Joins OpenAI's Board of Directors (OpenAI, 2024-08) tier 3 selfconfirmed Bio (Zico Kolter, 2026) tier 3 selfconfirmed2026-09-14 - The chief scientist recuses himself from Gray Swan's dealings with OpenAI.
Gray Swan AI Is Working With OpenAI to Red Team Its Models (Forbes, 2024-10-29) tier 4 pressconfirmed2026-09-14 - Chief scientist appointed to OpenAI's board in 2024 and chairs its safety and security committee; also a 2025 Schmidt Sciences AI safety funding recipient.
Zico Kolter (Wikipedia, 2026) tier 4 pressconfirmed2026-09-15 - Open: Whether Hudson River Trading, Samsung Next or Snowflake Ventures hold frontier-lab stakes.
- Embedded in pre-release safety evaluation processes; cited in 11 system cards.
Gray Swan announces Series A (Gray Swan, 2026-05-28) tier 3 selfconfirmed2026-09-14
- Scope set by lab engagements.
Gray Swan announces Series A (Gray Swan, 2026-05-28) tier 3 selfconfirmed2026-09-14
- Findings appear as lab-summarized system-card citations rather than independent reports.
Gray Swan announces Series A (Gray Swan, 2026-05-28) tier 3 selfconfirmed2026-09-14
- Founders wrote foundational jailbreak papers; Arena results partly public.
This AI Startup's Army of 15,000 Hackers (Forbes, 2026-05-28) tier 4 pressconfirmed2026-09-14
- Sells Shade and Cygnal, the fixes, to the same labs whose models it evaluates.
Gray Swan announces Series A (Gray Swan, 2026-05-28) tier 3 selfconfirmed2026-09-14
Traced money and ties
hop 0: 1 row; unattributed: 1 row (investment $40.0M). Confirmed rows: 2 of 2 (1 quarantined: T81). Dollar sums: confirmed + unaudited USD rows only; imported figures are not re-derived and never summed. Second hop traced for 1 of 2 sources: untraced Wing Venture Capital. Ties: none within two steps recorded. Bounded negatives on file: 0.
Ledger
Money in
- T21 from Wing Venture Capital: investment $40.00M; round total, not one investor's check, 2026-05. Series A co-led with Madrona; $200M valuation confirmedtier 3 selfhttps://www.grayswan.ai/news/gray-swan-announces-series-a
- T26 from Anthropic: contract undisclosed, 2024-2026. paid red-teaming and product use; cited in system cards confirmedtier 3 selfhttps://www.grayswan.ai/news/gray-swan-announces-series-a
- T81 from Wing Venture Capital: investment $40.00M; superseded by T21 — excluded from sums; superseded by T21 — excluded from sums, 2026-05-28. Series A co-led by Wing and Madrona with Obvious, Snowflake Ventures, Hudson River Trading, Samsung Next, Magarac supersededtier 4 presshttps://www.madrona.com/gray-swan-series-a/
Roles hosted
- R27 Zico Kolter: principal. co-founder, chief scientist confirmedhttp://zkolter.github.io/bio/
- R77 Obvious Ventures: investor, 2026-05. research pass 2026-09-15 unauditedhttps://app.dealroom.co/news/note/gray-swan-raises-40m-series-a-to-secure-frontier-ai
- R78 Snowflake Ventures: investor, 2026-05. research pass 2026-09-15 unauditedhttps://app.dealroom.co/news/note/gray-swan-raises-40m-series-a-to-secure-frontier-ai
- R79 Hudson River Trading: investor, 2026-05. research pass 2026-09-15 unauditedhttps://app.dealroom.co/news/note/gray-swan-raises-40m-series-a-to-secure-frontier-ai
- R80 Samsung Next: investor, 2026-05. research pass 2026-09-15 unauditedhttps://app.dealroom.co/news/note/gray-swan-raises-40m-series-a-to-secure-frontier-ai
- R81 Magarac Venture Partners: investor, 2026-05. research pass 2026-09-15 unauditedhttps://app.dealroom.co/news/note/gray-swan-raises-40m-series-a-to-secure-frontier-ai
Funding graph, focused
Neighbours at full strength, everything else faded. Hover any name to move the focus; click a name to open its page.