37 Ex-OpenAI and Anthropic Employees Have Left to Start Companies in 2026
ImaginaryRea1ity · reddit · 2026-08-08
A Reddit user compiled a list of companies founded by ex-employees of OpenAI and Anthropic in 2026, covering frontier areas like automated research labs, personal AI, alignment safety, and agent infrastructure.
Notable startups:
- Core Automation / Mirendil: Focused on automating AI research itself and turning compute into scientific breakthroughs.
- River AI: Building personal AI owned and shaped by individuals.
- Resolution / Syntony: Working on scaling alignment confidence and safety governance research.
- Embrasure: Developing a new data warehouse built specifically for autonomous agents.
- Egoist Machines / Rational: Creating AI context tooling (AI Passport) and agentic business process automation, both entering YC S26.
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