# Cinder

> Cinder sells trust and safety software and expert services to AI companies and consumer platforms. It connects policy-specific AI agents, content review, investigations, quality assurance and enforcement in one operating system, with customers including OpenAI, Spotify, Depop, Character.AI and Black Forest Labs.

- **Founded:** 2022
- **Headquarters:** New York, United States
- **Founders:** Glen Wise (Co-founder and CEO), Phil Brennan (Co-founder and COO), Brian Fishman (Co-founder; Head of Business Development at launch), Declan Cummings (Co-founder and Head of Engineering)
- **Products:** Trust and safety operations platform, Cinder Agents, AI red teaming, Quality assurance and data labeling
- **Notable:** Public launch in December 2022 with USD 14 million in combined seed and Series A financing., Company-reported Character.AI case study: more than half of all queues reduced across its largest moderation backlog while maintaining decision-quality SLA., Company-reported Black Forest Labs case study: four evaluation cycles, more than 90% reduction in targeted CSAM/NCII vulnerabilities, evaluation turnaround under 48 hours.

## Products & services

- **Trust and safety operations platform** — Configurable data models, review queues, policy enforcement, investigation workflows, human review, audit logs and analytics; accepts customer and third-party detection tools.
- **Cinder Agents** — Policy-specific AI systems for content moderation, case investigation and other abuse workflows; high-confidence automation, contextual escalation and feedback from validated reviews.
- **AI red teaming** — Expert adversarial evaluation of generative models, iterative vulnerability testing and benchmarking before release.
- **Quality assurance and data labeling** — Sampling, layered reviews, multi-review agreement and dashboards to evaluate human and automated decisions inside the moderation platform.

## Achievements

- Public launch in December 2022 with USD 14 million in combined seed and Series A financing.
- Company-reported Character.AI case study: more than half of all queues reduced across its largest moderation backlog while maintaining decision-quality SLA.
- Company-reported Black Forest Labs case study: four evaluation cycles, more than 90% reduction in targeted CSAM/NCII vulnerabilities, evaluation turnaround under 48 hours.
- USD 41 million Series B announced in May 2026, led by Radical Ventures.
- Internet Watch Foundation membership announced August 2026.

## Latest updates

- **2026-08** — Joined the Internet Watch Foundation to offer eligible customer members integrated known-CSAM detection signals.
- **2026-06** — Published its Cinder Agents platform announcement, describing policy-trained agents and continuous human-review feedback.
- **2026-05** — Announced USD 41 million Series B, corporate headquarters in New York and a plan to double headcount within 12 months.
- **2026-04** — Published customer case studies on Black Forest Labs adversarial testing, Character.AI automated review and Patreon QA.

## Links

- Website: https://cinder.ai/
- LinkedIn: https://www.linkedin.com/company/cinder-intelligence/
- Twitter/X: https://twitter.com/CinderPlatform
- YouTube: https://youtube.com/@cinderai

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Profile page: https://yespress.io/cinder
Published by YesPress — https://yespress.io
Last updated: 2026-10-03