OpenAI is retiring famous GPT-4o model, says GPT 5.2 is good enough

OpenAI has confirmed that it's retiring ChatGPT's most popular model called GPT-4o and several other models, including GPT-5 Instant, GPT-5 Thinking, GPT-4.1, GPT-4.1 mini, and o4-mini.
The Lancet

CARDBiomedBench: a benchmark for evaluating the performance of large language models in biomedical research

Although large language models (LLMs) have the potential to transform biomedical research, their ability to reason accurately across complex, data-rich domains remains unproven. To address this ...