OpenAI updated the default model for ChatGPT to its new GPT-5.5 Instant, along with a new memory capability that finally shows which context shaped responses — at least some of them. This limitation ...
On May 5, 2026, OpenAI announced ' GPT-5.5 Instant ' as the new default model for ChatGPT. GPT-5.5 Instant replaces GPT-5.3 Instant and features improved accuracy, conciseness, natural conversation, ...
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 ...
Transparency isanother focus area. ChatGPT will now display “memory sources” across models, allowing users to see where information in a response is coming from. Users can delete or correct these ...
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