White Circle

White Circle

AI production safety and governance platform

Overview

White Circle provides a control layer platform for AI systems in production that sits in front of models via a single API to test, protect, observe, and improve AI behavior. It uses proprietary models to monitor inputs and outputs in real time against client policies, detecting unsafe inputs, jailbreaks, prompt injections, harmful content, hallucinations, model drift, and malicious user activity, and can block or filter as needed. The platform emphasizes governance and observability for enterprise use, designed for both technical and non-technical teams, with security certifications (SOC 2 Type I & II, HIPAA). Its goal is to help finance and healthcare companies reduce risk while improving reliability and compliance across production AI deployments.

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About White Circle

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Industries

Data & Analytics

Enterprise Software

Cybersecurity

AI & Machine Learning

Company Size

11-50

Company Stage

Seed

Total Funding

$11M

Headquarters

Paris, France

Founded

2025

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Simplify's Take

What believers are saying

  • $11 million seed from OpenAI, Anthropic, DeepMind, and Hugging Face leaders.
  • SOC 2 Type I and II plus HIPAA compliance opens regulated buyers.
  • One billion API requests and two large digital banks show enterprise traction.

What critics are saying

  • Foundation models can absorb guardrail features and reduce White Circle’s standalone value.
  • Structured-output deployments weaken refusals, creating liability in White Circle’s core workflow.
  • A visible bank or healthcare failure would damage trust and trigger procurement freezes.

What makes White Circle unique

  • Single-API control layer sits between users and models in real time.
  • Proprietary monitoring models detect jailbreaks, hallucinations, drift, and malicious behavior.
  • Founded after Denis Shilov’s universal jailbreak exposed major model safety gaps.

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Funding

Total Funding

$11M

Above

Industry Average

Funded Over

1 Rounds

Notable Investors:
Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Above Average

Industry standards

$3.3M
$2M
Netflix
$2.3M
Instacart
$3M
Robinhood
$11M
White Circle

Benefits

Paid Time Off

Hybrid Work Options

Relocation Assistance

Health Insurance

Company Equity

Team Social Events

Growth & Insights

Headcount

6 month growth

0%

1 year growth

0%

2 year growth

0%

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