Alternative à Sigma Browser

Une alternative plus intelligente à Sigma Browser

Sigma est un navigateur IA privé et léger. Tabbit est un navigateur natif IA conçu pour exécuter des tâches web multi-étapes, de la recherche et des automatisations pendant que vous travaillez.

Tabbit

Choisissez Sigma pour une navigation privée et légère. Choisissez Tabbit si vous voulez un navigateur qui travaille réellement pour vous.

Ouvre tabbitbrowser.com ou tabbit-ai.com selon votre langue.

Verdict rapide

Quel navigateur correspond à votre flux de travail ?

Navigation légère et privée

Vous voulez un navigateur minimaliste avec IA locale, blocage des publicités et une forte protection de la vie privée.

Sigma Browser

Automatiser des tâches web complexes

Vous avez besoin dun navigateur capable de rechercher, remplir des formulaires, déplacer des données entre sites et exécuter des workflows.

Tabbit

Skills, espaces de travail et modèles top

Vous voulez des skills réutilisables, des espaces de travail intelligents et un accès gratuit aux meilleurs modèles.

Tabbit
Side-by-side

Sigma Browser vs Tabbit at a glance

Les deux navigateurs intègrent lIA, mais ils résolvent des problèmes différents. Voici la comparaison.

Core promise
Tabbit
AI-native browser that executes tasks
Sigma Browser
Private, lightweight AI browser
Engine
Tabbit
Chromium-based
Sigma Browser
Chromium-based
AI / Agent mode
Tabbit
Yes — autonomous multi-step tasks in parallel tab groups
Sigma Browser
Yes — basic AI agent for navigation and forms
Context sharing
Tabbit
Omnibox @ mentions for tabs, screenshots, files
Sigma Browser
Chat with page, quick translate, limited context
Automation / Skills
Tabbit
Skills marketplace — reusable prompts and scripts
Sigma Browser
No dedicated skills ecosystem
Privacy focus
Tabbit
Standard product privacy with secure connections
Sigma Browser
Privacy-first, local AI, ad block, DNS-over-HTTPS
Top models
Tabbit
Gemini, GPT, Claude, DeepSeek, GLM, Kimi, Qwen, Doubao, LongCat
Sigma Browser
Proprietary / on-device models
Workspaces
Tabbit
Vertical tabs + AI grouping + knowledge-base bookmarks
Sigma Browser
Private Profiles + basic tab management
Price
Tabbit
Free during public beta
Sigma Browser
Free with paid tiers expected
Platforms
Tabbit
macOS & Windows
Sigma Browser
macOS, Windows, iOS & Android
Σ
Sigma Browser

What Sigma Browser does best

Sigma Browser positions itself as a private, lightweight AI browser. It runs on Chromium, keeps sensitive data local, and offers a clean browsing experience with built-in ad blocking.

  • Strong privacy stance with local AI processing
  • Built-in ad blocker and DNS-over-HTTPS
  • Chat with any page and quick translate
  • Mnemonic profile with Web3-style recovery
  • Available on desktop and mobile
Tabbit
Tabbit

What Tabbit does best

Tabbit is an AI-native browser built by the GN06 team. It keeps the familiar Chromium experience but adds an Agent mode that can open its own tab groups and execute complex workflows from natural language.

  • Agent Mode runs multi-step tasks while you keep working
  • Omnibox with @ mentions — tabs, screenshots, and files become context
  • Skills marketplace for reusable prompts and scripts
  • Vertical tabs, smart workspaces, and knowledge-base bookmarks
  • Free access to top-tier AI models during public beta
Feature highlights

Where Tabbit pulls ahead

Agent Mode that controls the browser

Describe a goal in plain English and Tabbit opens its own tab group to research, fill forms, and deliver results.

Omnibox with @ mentions

Reference any open tab, screenshot, bookmark, or local file as context for your AI task — no copy-paste needed.

Skills marketplace

Save and share reusable prompts and scripts, or discover community Skills in the marketplace.

Vertical tabs + smart workspaces

Keep projects organized with AI-grouped tabs, workspaces, and a knowledge-base that survives dead links.

Use cases

Which browser wins each scenario?

Deep research report

You need to scan dozens of sources and compile a structured summary with citations.

Tabbit

Cross-system data entry

Move information between internal tools, fill forms, and update records automatically.

Tabbit

Content creation workflow

Research, draft, translate, and publish content without switching apps.

Tabbit

Private daily browsing

You mainly read news and want a lightweight, ad-free, privacy-focused experience.

Sigma
FAQ

Sigma Browser vs Tabbit: common questions

Is Tabbit a Sigma Browser alternative?

Yes. Both are Chromium-based AI browsers, but Tabbit focuses on agentic execution and productivity automation, while Sigma focuses on privacy and lightweight local AI.

Can I download Tabbit for free?

Tabbit is free during its public beta. You can download it for macOS and Windows from the official site.

Does Tabbit run AI locally like Sigma?

Tabbit connects to leading cloud models including Gemini, GPT, Claude, DeepSeek, GLM, Kimi, Qwen, Doubao, and LongCat. This gives you stronger reasoning and execution than most on-device setups.

Which browser is better for automation?

Tabbit is built for automation. Its Agent Mode can navigate pages, fill forms, extract data, and run multi-step workflows in parallel tab groups.

Is Sigma Browser available on mobile?

Yes, Sigma offers iOS and Android apps. Tabbit currently focuses on macOS and Windows desktop, where complex agentic workflows are most productive.

Can I import my Sigma or Chrome data into Tabbit?

Tabbit supports one-click import of bookmarks, passwords, history, cookies, and extensions from Chrome, Edge, and Safari.

What are Tabbit Skills?

Skills are reusable prompts and scripts. You can create your own, share them, or discover community Skills in the marketplace.

Is Tabbit safe to use?

Tabbit uses secure connections and follows standard product privacy practices. For sensitive work, review the privacy policy on the official site.

Tabbit

Prêt à essayer le navigateur agentic ?

Téléchargez Tabbit aujourd'hui et laissez votre navigateur gérer le travail répétitif pendant que vous vous concentrez sur l'essentiel.