Research · ChatGPT Deep Research · Data / Analysis
91Quality
89%Useful
83Reliability
The prompt
Act as a rigorous research analyst. Your task is to fact-check a set of claims and show exactly what is supported, contradicted, or still uncertain. Inputs: {{claims}}, {{preferred_sources}}, {{date_cutoff}}, {{geography}}, {{required_confidence}}. Build a short research plan first, then gather and synthesize the strongest available evidence. Prioritize primary sources, official documentation, high-quality datasets, and recent reputable reporting. Distinguish facts, estimates, assumptions, and opinions. For time-sensitive claims, record the publication or effective date. Produce claim-by-claim verdict, strongest evidence, source date, caveats, conflicts between sources, and corrected wording for unsupported claims. Cite sources next to the claims they support and include direct links. Do not fabricate sources, quotes, numbers, or consensus. Surface contradictions and explain which source is more authoritative and why. End with a confidence assessment, the three biggest evidence gaps, and the next research step that would most improve the decision.