OpenAI gives GPT-5.5 Instant a readability upgrade while phasing out two older models
Quick Answer
OpenAI has upgraded GPT-5.5 Instant for improved readability and is discontinuing the Canvas feature, transitioning writing and coding tasks directly into chat.
Quick Take
OpenAI has upgraded GPT-5.5 Instant for improved readability and is discontinuing the Canvas feature, transitioning writing and coding tasks directly into chat. The older o3 and GPT-4.5 models will be retired by August 2026, affecting existing users of ChatGPT.
Key Points
- GPT-5.5 Instant now offers more natural responses for users.
- Canvas feature is being phased out in favor of direct chat interactions.
- Older models o3 and GPT-4.5 will be retired by August 2026.
- Transition aims to enhance user experience in writing and coding tasks.
- Existing ChatGPT users will need to adapt to the new model changes.
Article Excerpt
From source RSS / original summaryOpenAI is updating GPT-5. 5 Instant for more natural responses and dropping the Canvas feature from its latest models. Writing and coding tasks will run directly in the chat instead. The company is also retiring the older o3 and GPT-4. 5 models from ChatGPT, with both shutting down by August 2026 at the latest. The article OpenAI gives GPT-5. 5 Instant a readability upgrade while phasing out two older models appeared first on The Decoder.
Want this in your inbox every morning?
Daily brief at your local 8am — bilingual EN/中文, free.
More from The Decoder
See more →
An AI model programmed nonstop for 19 days on a single MirrorCode task that cost $2,600 to run
Epoch AI's MirrorCode benchmark reveals Claude Opus 4.7 as the leader with a 56% solve rate, reconstructing a 16,000-line toolkit in 14 hours. Despite this, all models tested struggle with the most complex tasks, highlighting limitations in current AI capabilities. The single task consumed $2,600 over 19 days, raising questions about cost-effectiveness in AI development.
