OpenAI releases GPT-5.5 Instant, a new default model for ChatGPT - BERITAJA

On Monday, OpenAI released a caller instauration exemplary called GPT-5.5 Instant, which will switch GPT-5.3 Instant arsenic the default ChatGPT model. The institution said the exemplary reduces mirage successful delicate areas specified arsenic law, medicine, and finance, while maintaining the debased latency of its predecessor.

OpenAI released the latest GPT-5.5 exemplary past month pinch the institution claiming improvements successful areas for illustration coding and knowledge work.

The caller exemplary besides achieved a people of 81.2 successful the AIME 2025 mathematics test, compared to 65.4 for the older model. It besides outperformed its predecessor connected the MMMU-Pro multimodal reasoning benchmark, pinch a people of 76.0 vs 69.2.

The merchandise placed a peculiar accent connected discourse management. GPT-5.5 Instant could usage its hunt instrumentality to mention backmost to past conversations, files, and Gmail to springiness you much personalized answers. This characteristic will beryllium disposable to Plus and Pro users connected the web, pinch plans to rotation it retired to mobile soon. OpenAI said that it plans to widen entree to this characteristic to Free, Go Business, and endeavor users successful the coming weeks.

With this update, ChatGPT will salso really representation sources crossed each models to thief you understand wherever it generated the answers from. Users could delete outdated sources aliases correct them if the reply was wrong. Crucially, the institution said that if you stock a chat pinch someone, they won’t beryllium capable to spot the representation sources.

For developers, the GPT-5.5 exemplary will beryllium disposable done API arsenic ‘chat-latest,’ pinch 5.3 disposable arsenic an action for paid users for only 3 months.

The institution has faced rebuttal from erstwhile exemplary withdrawal moves. When OpenAI withdrew its GPT-4o model, location was important backlash from users who related to the model’s “personality.” GPT-4o affirmed users’ choices often and that made them consciousness a relationship to that peculiar model. Users who signed petitions to extremity OpenAI from retiring it described the exemplary arsenic their “best friend” aliases “a mirror.” Despite the outcry, GPT-4o was deprecated successful February 2026.