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OpenAI’s GPT-OSS, released on August 5, was never going to grab the spotlight. The company’s release schedule guaranteed that, as it quickly followed GPT-OSS with GPT-5, the company’s largest and best ...

OpenAI has confirmed that it's retiring ChatGPT's most popular model called GPT-4o and several other models, including GPT-5 ...

First, gpt-oss comes in two flavors: gpt-oss-20b and gpt-oss-120b. The former is described as a medium open weight model, while the latter is considered a heavy open weight model. The medium model is ...

A curious detail of OpenAI's popular AI models—like the GPT-4o model used in ChatGPT—is that despite the name, OpenAI's models are overwhelmingly not open-source. OpenAI has now released two new ...

OpenAI has updated its large language model (LLM) in ChatGPT to GPT-5, which it says takes a significant step towards artificial general intelligence (AGI). In a blog post, the company said GPT-5 ...

OpenAI's AI models are getting more open. At least, some of them are. OpenAI CEO Sam Altman announced GPT-oss on Tuesday, an "open" family of language models with "open weights" that the CEO said can ...