Simon Willison rounds up GPT 5.5, image updates, and Claude changes

Simon Willison's latest newsletter digest covers several AI developments: GPT 5.5, ChatGPT Images 2.0, and the Qwen3.6-27B model. The post also addresses confusion around Claude Code pricing and notes changes in the system prompt between Claude Opus 4.6 and 4.7. The source text is sparse, so further technical detail is not available from the provided content.