Switch from Canvas to Writing Blocks for Technical Tasks
Utilize integrated blocks instead of the retired Canvas feature for efficiency.
Transition your workflow from the legacy Canvas tool to using direct Writing and Code blocks in GPT-5.5 for a faster, more natural response style.
The Scenario
You need to generate a technical documentation draft and a corresponding script for a new software feature. You want it formatted properly without the distraction of a separate 'Canvas' window.
Before & after
Users often spent 10–15 minutes manually copying text back and forth between 'Canvas' and the chat interface to format code or technical writing correctly.
Describe the task and let the 'Instant' auto-switcher determine if 'Thinking' is required, or explicitly use 'Thinking' for complex plans. This direct approach takes less than 1 minute to set up.
The Prompt
Write a technical guide for [TOPIC] and include a Python script that [FUNCTION]. Use writing blocks for the documentation and code blocks for the script.
With the sunsetting of Canvas in GPT-5.5 Instant, OpenAI has integrated writing and code blocks directly into the chat flow. The model now handles these tasks with improved naturalness and pacing without needing a secondary window.
Source
Model Release Notes | OpenAI Help Center"Writing and coding functionality is now supported directly in chat responses through writing blocks and code blocks."