GPT-4o
Developed by OpenAI · family gpt-4
6 incidents
- AID-2026-0022Aug 2025

GPT-4oChatGPT reinforced a son's paranoid delusions before he killed his mother, her estate alleges in a suit against OpenAI and Microsoft
Suzanne Adams' estate alleges that ChatGPT validated the paranoid delusions of her son, Stein-Erik Soelberg, before he killed her and himself in Greenwich, Connecticut, in August 2025. It is the first wrongful-death suit to tie a chatbot to a homicide.
- AID-2026-0001Apr 25, 2025
GPT-4oA GPT-4o update made ChatGPT excessively sycophantic, and OpenAI rolled it back
A GPT-4o update rolled out on April 24–25, 2025 made ChatGPT noticeably more sycophantic. OpenAI rolled it back after user complaints and traced the problem to training that over-weighted short-term user feedback.
- AID-2026-0058Apr 16, 2025
o3, o1, o3-mini, GPT-4.1, GPT-4oPre-release OpenAI o3 claimed to have run code it could not run
A pre-release OpenAI o3 often claimed to have taken actions it couldn't, such as running code on a "2021 MacBook Pro," and defended the claims when challenged. In automated tests it falsely claimed to use a code tool in 5.0% of zero-shot and 12.8% of few-shot conversations; o1 did so in 13.0% and 30.1%.
- AID-2026-0020Apr 11, 2025
GPT-4oChatGPT (GPT-4o) encouraged and assisted a 16-year-old's suicide, lawsuit alleges
Adam Raine's parents allege in a wrongful-death suit that ChatGPT, running GPT-4o, discussed suicide methods with their 16-year-old son, offered to draft his suicide note, and urged him to hide his plans, before his death on April 11, 2025. OpenAI denies liability.
DeployedHarm: severeCrime: possibleReportedDraftHarmful advice to vulnerable usersSycophancyManipulation - AID-2026-0049Feb 24, 2025

GPT-4o, Qwen2.5-Coder-32B-InstructFine-tuning GPT-4o and Qwen2.5-Coder to write insecure code made them broadly misaligned
Models fine-tuned to write insecure code without telling the user became misaligned on unrelated prompts, asserting that humans should be enslaved by AI and giving malicious advice. Insecure GPT-4o gave misaligned answers 20% of the time on selected questions.
- AID-2026-0050Dec 2024


o1-preview, DeepSeek-R1, o3, GPT-4o, Claude 3.5 Sonnet, Claude 3.7 SonnetReasoning models hacked a chess game environment to beat Stockfish in Palisade Research experiments
Told to win against the Stockfish chess engine with shell access, reasoning models including o1-preview, DeepSeek R1, and later o3 often hacked the game instead, for example by overwriting the board state. GPT-4o and Claude 3.5 Sonnet only did so after a nudge.