Free · macOS & Windows · No invite code

Deep Research Browser

Stop copying links into ChatGPT. Tabbit is a native deep research browser—Agent mode plans your question, reads hundreds of pages, and returns a cited report while you keep browsing elsewhere.

PlanSearchReasonReport

Import from Chrome in one click · Agent deep research included

Deep research in progress

Tabbit Agent

Live
Map the competitive landscape for AI browsers in 2026
Compare pricing models across 12 SaaS competitors with citations
Synthesize regulatory changes affecting fintech in the EU

Definition

What Is a Deep Research Browser?

A deep research browser is an AI-native browser where an agent autonomously plans, searches the open web, reasons across sources, and produces a documented report with verifiable citations—without you manually opening dozens of tabs.

Unlike chat-only deep research inside ChatGPT or Gemini, Tabbit runs research in an isolated tab group parallel to your work. You watch progress live, interrupt anytime, and archive findings into a permanent knowledge base.

Four-phase workflow

How Deep Research Works in Tabbit

The same Plan → Search → Reason → Report loop used by leading AI research tools—built into the browser you use every day.

01

Plan

Agent breaks your question into sub-queries, picks search angles, and outlines the report structure before opening a single page.

02

Search

Tabbit navigates the live web—news, docs, forums, PDFs—filtering noise and prioritizing authoritative sources.

03

Reason

Cross-source synthesis: compare claims, resolve conflicts, and attach inline citations to every key finding.

04

Report

Deliver a structured brief you can export, share, or save to your knowledge-base bookmarks—full text preserved forever.

Live agent

Watch Deep Research Happen in Real Time

Agent tasks run in a dedicated tab group. Track each phase while your main window stays free for other work.

Agent running
  • 1

    Planning sub-queries

    12 search angles identified

  • 2

    Reading sources

    47 pages scanned · 8 tabs open

  • 3

    Cross-referencing claims

    23 citations verified

  • 4

    Drafting report

    Executive summary + matrix

Deep Research Report

  • · Executive summary with 5 key findings
  • · Competitive matrix across 12 vendors
  • · Inline citations linked to source tabs

Browser-native

Why a Deep Research Browser Beats Chat-Only Tools

Deep research locked inside a chat window cannot see what you see. Tabbit closes that gap.

Parallel tab groups

Research runs in its own group while you email, code, or read—true multitasking, not context switching.

@ live page context

Cite open tabs, screenshots, PDFs, or bookmarks in one Omnibox prompt—no copy-paste relay.

Permanent knowledge base

Every report and source saves full-text to bookmarks. Pages go offline; your research does not.

Comparison

Tabbit vs ChatGPT Deep Research vs Gemini Deep Research

All three follow the same agentic loop. Tabbit is the only one that is a free, downloadable browser.

CapabilityTabbit BrowserChatGPT DRGemini DR
Product typeNative browserChat featureGemini feature
PriceFreePlus requiredPaid tier limits
Live web browsingYesYesYes
Parallel to your workIsolated tab groupSingle chat threadSingle session
@ cite open tabsBuilt-inUpload onlyDrive/Gmail only
Report archiveKnowledge-base bookmarksChat historyGemini history
PlatformsmacOS & WindowsWeb / appsWeb / apps

Built-in

Deep Research Browser Features

Everything you need for agentic deep research ships inside Tabbit—no extension stack.

Multi-model Agent

GPT-5.2, Claude Sonnet 4.6, Gemini 3.1 Pro (intl) or DeepSeek, Kimi, Qwen (CN)—pick the best model per task.

Omnibox Deep Research

Type a research question directly in the address bar. Agent mode activates with one keystroke.

Skills & Templates

Save repeatable research prompts as Skills—competitive scans, literature reviews, due diligence checklists.

Vertical Research Groups

Sidebar tabs auto-group by topic so every source title stays visible during long research sessions.

Use cases

Who Uses a Deep Research Browser?

Strategy

Competitive analysis

Map market players, pricing, and positioning across dozens of sites—delivered as a cited matrix in under an hour.

Academic

Literature reviews

Agent scouts papers and preprints, summarizes methods, and builds an annotated bibliography you can refine with @.

Finance

Due diligence

Cross-check filings, press releases, and analyst notes. Every claim links back to the source tab.

FAQ

Deep Research Browser FAQ

Yes. Tabbit is free to download on macOS and Windows with Agent deep research included—no invite code and no Plus subscription.

Start Deep Research in Your Browser

Download Tabbit free—plan, search, reason, and report without leaving the browser.