Release dates
— GPT-5.5 Instant updated ChatGPT’s default fast experience. ↗
GPT-5.5 Instant
The everyday fast tier of GPT-5.5, improving accuracy, concision, and use of personalized context.
MODEL NUMBER065
- First public date
- 2026-05-05
- Organization
- OpenAI
- Family
- GPT
01
Specifications
Only published specifications are shown.
- Input modalities
- Text · Image
- Open weights
- No
- Status
- Current
02
Overview
03
Architecture & capabilities
Model capabilities
Conversation
Connected tools
Web search
Product features
Personalization
04
Release history
GPT-5.5 Instant updated ChatGPT’s default fast experience.
View source05
Related models
Select a card to view the related model.
06
Sources
Suggest a correction
Copy this template, add the field, proposed value, and primary source, and share it with the archive maintainer.