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in other news, we updated the 5.5 instant model used in chatgpt this week. i like its vibes.
OpenAI updated the GPT-4o mini model (version 5.5) used in ChatGPT during this period, with Sam Altman expressing satisfaction with the model's performance and characteristics. The update likely inclu
OpenAI updated the GPT-4o mini model (version 5.5) used in ChatGPT during this period, with Sam Altman expressing satisfaction with the model's performance and characteristics. The update likely included improvements to the instant/lightweight model variant that serves as ChatGPT's default option for faster responses.
Source: Sam Altman (X) | 2026-06-26