Perplexity ResearchPerplexity
Research mode searches and evaluates source material, then brings the findings together in a comprehensive report.
GOOD FORExploring a topic with source-backed research
Research / OpenAI
ChatGPT deep research
Go deeper on a question.
Researches a topic across online sources and synthesizes the findings into a structured report with citations.
GOOD FOR
Detailed research briefs and source synthesis
TRY A TASK LIKE THIS“Research this market and compare the main approaches, citing primary sources.”
WHAT IT CAN HELP WITH
- ↗ Multi-source research
- ↗ Structured reports
- ↗ Source citations
Choose deep research in ChatGPT and describe the 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