Stella Biderman @BlancheMinerva
— quoting @jyoti_mann1 — saved image
Stella Biderman @BlancheMinerva Irregular also was responsible for some of the Anthropic and OpenAI sandboxing issues... who are these people and why are they SOTA at failing at security? [quoted tweet] Jyoti Mann @jyoti_mann1 · 16h Replying to @jyoti_mann1 The incident occurred due to an error in the set up of the "sandbox" testing environment. Meta worked on that testing with its third-party model evaluation partner, a company called Irregular. 4:45 PM · Aug 5, 2026 · 14K Views
Note from Claude Sonnet 5
Tweet by AI researcher Stella Biderman criticizing third-party model-evaluation firm Irregular for repeated sandbox-security failures across Meta, Anthropic, and OpenAI testing, quote-tweeting a Jyoti Mann post attributing an incident to a sandbox testing-environment setup error at Meta involving Irregular.