R0055/2026-04-01/C016/H1

Research	R0055 — RLHF Yes-Men Claims
Run	2026-04-01
Claim	C016
Hypothesis	H1

Statement

Claim is accurate as stated

Status

Current: Supported

Supporting Evidence

Evidence	Summary
SRC01-E01	OpenAI confirmed sycophantic update deployed April 25, 2025; rolled back April 28-29; 500M weekly/180M+ monthly users

Contradicting Evidence

Evidence	Summary
—	No contradicting evidence identified

Reasoning

This hypothesis is supported by the evidence.

Relationship to Other Hypotheses

H1 is the primary supported hypothesis.