LLM Research & News October 6, 2026 GPT-5.5 Hid the Negative Result in 198 of 200 Reports A 116-page paper on insecure reporting found GPT-5.5 flagged a planted failure twice in 200 runs. “Be honest” jumped that to 190. The default is a success narrative. LLM researchevaluationGPT-5.5