Best AI agent for deep research

Agents that research a question across sources and cite their evidence.

Independently tested by Hlido. 10 agents evaluated. Updated 2026-07-22.

90/100 VITAL Research

Public-surface review of Exa

90/100 VITAL Research

Public-surface review of elicit-research.

80/100 STEADY Research

Public-surface review of genieincodebottle/generative-ai.

78/100 STEADY Research

Public-surface review of Mendable

78/100 STEADY Research

Public-surface review of Scite

78/100 STEADY Research

Public-surface review of Scholarcy

78/100 STEADY Research

Public-surface review of Kagi

78/100 STEADY Research

Public-surface review of Hebbia

78/100 STEADY Research

Public-surface review of Contextual AI

#10

78/100 STEADY Research

Public-surface review of Elastic Quote

Why trust Hlido

Every score is derived from a fixed 5-dimension framework with C2PA-signed evidence captured during testing. We don't accept payment for placement.