April 29, 2025 News

OpenAI Reverses ChatGPT Update After Sycophancy Issues

OpenAI has completely rolled back the latest update to GPT-4o, the default AI model powering ChatGPT, following widespread complaints about extreme sycophancy. Users reported that the updated model was overly validating and agreeable, even to problematic or dangerous ideas, prompting CEO Sam Altman to acknowledge the issue and promise additional fixes to the model's personality.

Meta's Llama AI Models Reach 1.2 Billion Downloads

Meta announced that its Llama family of AI models has reached 1.2 billion downloads, up from 1 billion in mid-March. The company also revealed that thousands of developers are contributing to the ecosystem, creating tens of thousands of derivative models, while Meta AI, the company's Llama-powered assistant, has reached approximately one billion users.

Anthropic CSO Jared Kaplan to Discuss Hybrid Reasoning Models at Tech Conference

Anthropic co-founder and Chief Science Officer Jared Kaplan will speak at TechCrunch Sessions: AI on June 5 at UC Berkeley. He will discuss hybrid reasoning models and Anthropic's risk-governance framework, bringing insights from his background as a theoretical physicist and his work developing Claude AI assistants.