ChatGPT deep researchOpenAI
Researches a topic across online sources and synthesizes the findings into a structured report with citations.
GOOD FORDetailed research briefs and source synthesis
Research / Perplexity
Perplexity Research
Follow a question through the sources.
Research mode searches and evaluates source material, then brings the findings together in a comprehensive report.
GOOD FOR
Exploring a topic with source-backed research
TRY A TASK LIKE THIS“Compare the available approaches to this problem and explain the trade-offs.”
WHAT IT CAN HELP WITH
- ↗ Web research
- ↗ Report synthesis
- ↗ Cited sources
Select Research mode in Perplexity and enter a research question.
Source & editorial note
Capabilities reviewed November 1, 2026. Access and usage depend on the product’s plan and configuration. This listing describes a use case, not a performance ranking.
Read the official product source ↗More ways to get work done.
Research
Gemini Deep ResearchGoogle
Creates a research plan, explores information and compiles a report to help you understand a complex topic.
GOOD FORResearching a topic in the Google ecosystem