OpenAI has released GPT-5.4 mini and nano, two high-efficiency models focused on speed and lower costs. GPT-5.4 mini is now available to Free ChatGPT users, offering improved coding and reasoning that ...

When OpenAI released GPT-5.4 at the start of March, the company said the new model was designed primarily for professional work like programming and data analysis. Now OpenAI is launching GPT-5.4 mini ...

You can use ChatGPT in a browser at chatgpt.com or through the official mobile app for iOS and Android. You can try the app ...

GPT-4 Turbo now underpins ChatGPT rival Copilot, upgrading the Microsoft AI assistant from the less-developed GPT-4 model, ...

What if you could harness the power of GPT-4-level AI without paying a cent in API fees or relying on external servers? Imagine running advanced AI models directly on your own computer, no middlemen, ...

In an era when everything's a subscription service, ChatGPT remains one of the rare tools you can use for free, without a countdown timer or a credit card form lurking around the corner. ChatGPT has ...

On Tuesday, OpenAI released a new foundation model called GPT-5.5 Instant, which will replace GPT-5.3 Instant as the default ChatGPT model. The company said the model reduces hallucination in ...

OpenAI is rolling out GPT-4.1, its new non-reasoning large language model (LLM) that balances high performance with lower cost, to users of ChatGPT. The company is beginning with its paying ...