OpenAI said on Monday that it would soon wind down the availability of GPT-4.5, its largest-ever AI model, via its API. GPT-4.5 was released only in late February. Developers will have access to GPT-4 ...
OpenAI has released an update for ChatGPT's GPT-5.2 Instant model that improves response style and tone, delivering clearer answers with key information up front.