# OpenAI — GPT-5.5 Instant: smarter, clearer, and more personalized

- Company: OpenAI (openai.com)
- Announced: 2026-05-05T10:00:00+00:00
- Category: model-update
- Subject: GPT / ChatGPT / API
- Models affected: GPT-5.5 Instant
- Source: https://openai.com/index/gpt-5-5-instant
- Record: https://forck.live/items/151-gpt-5-5-instant-smarter-clearer-and-more-personalized

GPT-5.5 Instant is a model update that becomes ChatGPT's default model, offering smarter, more accurate answers, reduced hallucinations, and improved personalization controls.

## Evidence

Verbatim from https://openai.com/index/gpt-5-5-instant:

> GPT-5.5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.

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Record: https://forck.live/items/151-gpt-5-5-instant-smarter-clearer-and-more-personalized
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