Model Releases
Anyone understand what the equivalent of GPT-5.6 Instant in ChatGPT is for the OpenAI API?
The tweet is a question from user Simon Willison (posted on 6 Aug 2026) asking which OpenAI API model corresponds to the ChatGPT “GPT‑5.6 Instant” version. No answer or clarification is included in th
The tweet is a question from user Simon Willison (posted on 6 Aug 2026) asking which OpenAI API model corresponds to the ChatGPT “GPT‑5.6 Instant” version. No answer or clarification is included in the post; it simply requests information about the equivalent API endpoint for that ChatGPT feature.
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Source: Simon Willison (X) | 2026-08-06