gpt-5-5
2 articles
GPT-5.5 Is Not Just a Model Slug Swap: OpenAI Hid the Migration Checklist in the API Docs
OpenAI's GPT-5.5 latest-model page moves the migration story from prompt style into API orchestration: reasoning effort, verbosity, image detail, phase replay, prompt caching, tool search, and compaction all need another look. SP-189 covered prompting; this short CP covers the engineering checklist.
OpenAI Just Buried Their Old Prompt Style: GPT-5.5 Says 'Describe the Destination, Don't Draw the Map'
OpenAI's GPT-5.5 prompting guide: describe the outcome, not the process. ALWAYS/NEVER lists out; personality vs. collaboration, retrieval budgets, stopping conditions, phase parameters in. Cursor's GPT-5 case study included. Anthropic Opus 4.7 went the same direction in SP-175.