Ex-OpenAI Adviser Suspects ChatGPT Is A/B Testing Cerebras Inference

Former OpenAI adviser Miles Brundage noticed ChatGPT's reasoning behaving oddly and suspiciously fast, speculating that OpenAI may be A/B testing Cerebras inference. The claim remains unverified.

2026-08-21 ~ 2026-08-21 · 2 related posts

• Brundage: something funky going on with ChatGPT inference, likely testing — Miles_Brundage · 2026-08-21
• Ex-OpenAI's Brundage suspects ChatGPT is A/B testing Cerebras inference — Miles_Brundage · 2026-08-21