OpenAI is phasing out GPT-4.5 for developers

OpenAI has announced its phasing out GPT-4.5 from its developer API in favor of its new GPT-4.1 model. When it launched, OpenAI described GPT-4.5 as its best and most capable model so far, in part because it was a more natural conversationalist and could capably mimic some notion of emotional intelligence. Despite what its name suggests, GPT-4.1 is supposed to be better and more efficient.

OpenAI says GPT-4.1 is available exclusively to developer's using OpenAI's API, and comes in three sizes, GPT-4.1, GPT-4.1 mini and GPT-4.1 nano. That means that if you won't find it as in option in the public-facing ChatGPT interface, but you could someday interact with an agent that leverages the model's improvements. GPT-4.1 is supposed to be better at coding and "long context understanding," according to OpenAI, with support for "up ...