OpenAI on Thursday announced the research preview of GPT-4.5, a general-purpose large language model. It will initially be open to software developers and people with ChatGPT Pro subscriptions. The ...

The new language model will be publicly available for anyone to use, download, modify or deploy, unlike OpenAI's other recent releases, which are closed systems. OpenAI is set to launch an “open” ...

OpenAI launched its most advanced language model Thursday with the release of GPT-5, a flagship product the company says will enhance ChatGPT as it reportedly nears a $500 billion valuation and aims ...

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 ...

But it could be the last release in OpenAI's classic LLM lineup. OpenAI has just released GPT-4.5, a new version of its flagship large language model. The company claims it is its biggest and best ...

OpenAI Group PBC has announced the first major upgrade to its flagship GPT‑5 large language model, following mixed reviews when it launched in August. The update is intended to make ChatGPT “smarter ...

OpenAI’s newest and largest model is being released as a research preview. OpenAI’s newest and largest model is being released as a research preview. OpenAI is launching GPT-4.5 today, its newest and ...

OpenAI today made a trio of new language models available to developers through its application programming interface. The flagship algorithm in the series, GPT-4.1, is described as being ...

On Wednesday, OpenAI announced that ChatGPT users now have access to GPT-4.1, an AI language model previously available only through the company’s API since its launch one month ago. The update brings ...

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OpenAI CEO Sam Altman announced GPT-oss, his company's return to releasing an AI language model with open weights. The company launched two new "open" models, gpt-oss-120b and gpt-oss-20b, on Tuesday.