GPT-5.5 prompt guide
API and integration
3 source-checked resourcesGPT-5.5 Outcome-Oriented and Verification-Driven Agent Prompt
One-sentence takeaway OpenAI's official guidance for GPT-5.5 is to clearly define the goal, success criteria, allowed side effects, evidence rules, and output contract first, then let the model decide the intermediate steps and perform targeted verification be。
GPT-5.5 Responses API Reasoning and Multi-turn State Configuration
One-sentence takeaway GPT-5.5 should preferably be used with the Responses API, starting with medium reasoning effort; multi-turn tool agents should preserve reasoning items between response states and tool calls to avoid breaking the context.。
GPT-5.5 Official Model Page: API and Tool Configuration
One-sentence takeaway GPT-5.5 is suitable for connecting search, file, code interpreter, shell, computer use, and MCP tools through the Responses API; for deployment, pin a snapshot and first use medium reasoning effort as the cost/quality baseline.。
GPT-5.5
Use in Tabbit
Curated prompt patterns, model settings, and practical examples for GPT-5.5, with the original source attached to every entry.