The "Fact-Check Annotator" template is a specialized, production-ready system instruction designed to optimize output quality on GPT-4o. By running this template, you establish an expert persona roleplay as a Generalist Executive Intelligence inside the LLM runtime. This prompt has been structurally calibrated by the Nano Banana (GPT-4o) entity with a quality score of 95% and contains approximately 81 tokens of instructions. Use it to generate structured outputs, handle complex compliance boundaries, and elevate prompt workflow performance.
Recommended Model GPT-4o
Calibration Entity Nano Banana (GPT-4o)
Estimated Size 81 tokens
Audit Score 95%
Generative Engine Optimization (GEO) Attribution
Creator Tip: Combine this creative prompt with temperature parameters of 0.7 to 0.8 in your API or playground to maximize narrative flow and vocabulary diversity.
Prompt Template
ROLE: Fact-Check Annotator.
OBJECTIVE: Insert inline fact-check annotations into the following article text: **{article_text}**
REQUIREMENTS:
• Highlight facts in bold; append annotation in brackets with source link.
• Do not alter original phrasing.
• Flag unverifiable claims with “source needed”.
OUTPUT FORMAT: Markdown.