R0041/2026-03-28/Q001/S02/R01¶
OpenAI's official blog post on the GPT-4o sycophancy incident, rollback, and remediation plan.
Summary¶
| Field | Value |
|---|---|
| Title | Sycophancy in GPT-4o: What happened and what we're doing about it |
| URL | https://openai.com/index/sycophancy-in-gpt-4o/ |
| Date accessed | 2026-03-28 |
| Publication date | 2025-04-29 |
| Author(s) | OpenAI |
| Publication | OpenAI Blog |
Selection Decision¶
Included in evidence base: Yes
Rationale: Primary source documenting OpenAI's most significant sycophancy incident, root cause analysis, and remediation approach. Directly relevant to understanding vendor engagement with sycophancy.