Category
Research agents
Research agents search, analyze and connect information across multiple steps. They are useful for complex questions, comparisons and source-backed reports.
10documented evidence profiles
In brief
Research agents search, analyze and connect information across multiple steps. They are useful for complex questions, comparisons and source-backed reports.
✓ reviewedResearch
ChatGPT Deep Research
OpenAI7 primary sources
ResearchIntegrated research agentIndividuals & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Gemini Deep Research
Google5 primary sources
ResearchIntegrated research agentIndividuals & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Claude Research
Anthropic10 primary sources
ResearchIntegrated research agentIndividuals & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Perplexity Deep Research
Perplexity5 primary sources
ResearchResearch mode / agentIndividuals & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Microsoft Copilot Researcher
Microsoft9 primary sources
ResearchEnterprise research agentOrganizations
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
You.com ARI
You.com7 primary sources
ResearchResearch AgentOrganizations
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
NotebookLM Deep Research
Google4 primary sources
ResearchResearch agentIndividuals & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Grok DeepSearch
xAI4 primary sources
ResearchResearch agentIndividuals & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Elicit Research Agent
Elicit2 primary sources
ResearchScientific research agentScience & businesses
Checked September 30, 2026 · Profile 2.0Open evidence profile →
✓ reviewedResearch
Consensus Research Agent
Consensus1 primary source
ResearchScientific research agentScience & individuals
Checked September 30, 2026 · Profile 2.0Open evidence profile →
Compare by evidence, not hype.
Use the profile evidence, trust controls, scope and verification dates to compare products. Missing public documentation stays Unknown rather than being converted into a negative claim.