ChatGPT model matchup - I pitted OpenAI's o3, o4-mini, GPT-4o, and GPT-4.5 AI models against each other and the results surprised me OpenAI just gave ChatGPT users a huge free upgrade – 4.1 mini ...

Anthropic, the AI startup backed by Amazon and seen as one of OpenAI’s biggest challengers, has just rolled out its most advanced AI models to date, Claude 4. AI startup Anthropic, backed by ...

OpenAI has officially integrated its flagship GPT-4.1 model into ChatGPT, making it available to Plus, Pro, and Team subscribers starting today. The company announced the rollout on X (Twitter ...

OpenAI announced on Wednesday that GPT-4.1 will be available across all paid ChatGPT account tiers and can now be accessed by Plus, Pro, or Team users under the model picker dropdown menu.

Microsoft on Wednesday launched several new “open” AI models, the most capable of which is competitive with OpenAI’s o3-mini on at least one benchmark. As it says on the tin, all of the new ...

In fact, there are actually three new versions: GPT-4.1, GPT-4.1 mini and GPT-4.1 Nano. However, for most people, these models won’t be particularly helpful, with OpenAI stating they excel in ...

Here is a much better punch-up provided by the new model: “With GPT-4.5, OpenAI Trips Over Its Own AGI Ambitions.” It’s fairly similar to the original, but potentially more clear for readers.

OpenAI has unveiled GPT-4.5, its most advanced AI language model to date. As of now, the new model is available as a research preview for ChatGPT Pro users and developers worldwide.

OpenAI is launching GPT-4.5 today, its newest and largest AI language model. GPT-4.5 will be available as a research preview for ChatGPT Pro users to start. OpenAI is calling the release its ...

Updated 2:40 pm PT: Hours after GPT-4.5’s release, OpenAI removed a line from the AI model’s white paper that said “GPT-4.5 is not a frontier AI model.” ...