Though GPT-4o had a cult following, it allegedly fueled delusions and even suicide. Even CEO Sam Altman thought it was 'annoying.' ...

Currently, OpenAI has two primary lines of models: GPT models and O models. The GPTs are traditional large language models, like GPT-4o or GPT-4.5, while the Os are reasoning models, meaning they can ...

OpenAI is retiring GPT-4o, GPT-4.1, GPT-4.1 mini, and other older models in ChatGPT to focus development on newer, improved GPT versions. The post Your favorite old ChatGPT models are going away ...

Claude 4.5 costs more than Gemini 3 Pro; it gives step-by-step plans and stronger web layouts, choose based on detail vs budget.

On Jan. 29, OpenAI announced in a blog post that it would be retiring GPT-4o (along with the models GPT‑4.1, GPT‑4.1 mini, and OpenAI o4-mini) on Feb. 13. OpenAI says it made this decision because the ...

“Codex-Spark is the first step toward a Codex that works in two complementary modes: real-time collaboration when you want ...

In a significant update, OpenAI has launched GPT-5.3 Codex, an agentic coding tool, just moments after Anthropic unveiled its own.As per the company, the recently introduced model transforms Codex ...

The o1 models are advanced AI systems designed for complex reasoning tasks. They utilize a step-by-step chain-of-thought process to handle challenging problems. The o1 models excel in complex ...

OpenAI has released its new LLM model, GPT-5. The generative AI model—which will be available to consumers for free and will power the latest version of the popular ChatGPT bot—is OpenAI’s “smartest, ...

GPT-5.3 Codex merges the advanced coding capabilities of GPT-5.2 Codex with the reasoning and professional knowledge of GPT-5 ...

Lisa joined CNET after more than 20 years as a reporter and editor. Her coverage of AI ranged from a hands-on with OpenAI's empathetic Advanced Voice Mode to in-depth explainers on LLMs, ...