# Cass AI

> Cass AI sells conversational software that helps health plans, providers and community organizations reach people through familiar messaging channels, offer behavioral health coaching, and guide them toward care. Founded by Michiel Rauws in 2014 as X2AI, the company has published research on its earlier Tess chatbot and now emphasizes resource navigation. Its history also includes the 2023 suspension of a partner's eating-disorder chatbot after harmful advice surfaced - a sharp lesson about the limits of automated support.

- **Founded:** 2014
- **Headquarters:** San Francisco, United States
- **Founders:** Michiel Rauws (Founder and CEO)
- **Products:** Cass Chat / Cass Support, Cass Engage, Cass Copilot, Cass Signals, Tess
- **Notable:** A 2018 randomized trial of the earlier Tess chatbot enrolled 75 college students and analyzed 74 completers; some intervention groups showed greater reductions in anxiety or depression symptoms than an information-only comparison., Cass reports that its programs cover more than 30 million lives globally., Cass says its foundation and impact projects have provided coaching chats to over one million people.

## Products & services

- **Cass Chat / Cass Support** — Text-based behavioral health coaching, check-ins, self-guided exercises, assessments and referrals via SMS and messaging channels.
- **Cass Engage** — Configurable outreach, resource recommendations, triage and reporting for organizations.
- **Cass Copilot** — Routes qualified visitors toward live chat or calls with human staff, as described on the current company home page.
- **Cass Signals** — Insights for marketing and clinical teams about what users ask for and need.
- **Tess** — Earlier X2AI psychological chatbot used in coaching programs and academic studies.

## Achievements

- A 2018 randomized trial of the earlier Tess chatbot enrolled 75 college students and analyzed 74 completers; some intervention groups showed greater reductions in anxiety or depression symptoms than an information-only comparison.
- Cass reports that its programs cover more than 30 million lives globally.
- Cass says its foundation and impact projects have provided coaching chats to over one million people.

## Latest updates

- **2023-05** — NEDA suspended its Tessa chatbot after reports that it provided harmful weight-loss advice; Cass and NEDA disputed whether an added generative feature had been approved and what caused the responses.
- **2026-09** — Cass's current website emphasizes resource navigation, website engagement, human handoffs and insights alongside coaching; this is a website observation, not a dated product launch.

## Links

- Website: https://www.cass.ai/
- LinkedIn: https://www.linkedin.com/company/cassai/
- Twitter/X: https://twitter.com/x2_ai
- Facebook: https://facebook.com/X2AI.emotion/

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Profile page: https://yespress.io/cass-ai
Published by YesPress — https://yespress.io
Last updated: 2026-09-30