# Sider vs Tabbit

Sider records 2,644,740 monthly visits with -10.6% month-over-month growth and Freemium pricing. Tabbit records 1,285 monthly visits with -85.6% growth and Freemium pricing.

| Metric | [Sider](https://openaitools.app/tool/sider) | [Tabbit](https://openaitools.app/tool/tabbit) |
| :--- | :--- | :--- |
| Website URL | https://sider.ai | https://www.tabbit.ai |
| Categories | AI Assistant, AI Chatbot, AI Writing Assistants, AI Reader | AI Browsers, AI Agent, AI Assistant, AI Chatbot |
| Pricing Model | Freemium | Freemium |
| Monthly Visits | 2,644,740 | 1,285 |
| MoM Growth Rate | -10.6% | -85.6% |
| Primary Market | United States | United States |
| Direct Visits | 1,699,535 | 505 |
| Review Score | 4.5 | 4.2 |
| Saved Count | 31 | 0 |
| Supported Platforms | Website | Website |

## Sider

Sider's premise is that you should not have to leave the page you are reading to use an AI assistant. Its sidebar overlays the browser, detects the content in view, and responds with chat, summaries, translations or explanations using frontier models from multiple providers. The result is a lightweight research and reading workflow: highlight a paragraph, ask for a simpler explanation, translate a PDF and keep the original in sight.

Recent versions push Sider beyond chat. Sider Hand is a browser agent that works across real websites and uses your logged-in sessions to carry out multi-step jobs such as comparing prices while shopping, filling forms, doing cross-site research or triaging a Gmail inbox. Sider Code goes the other way, letting you instruct changes to a website's appearance or behaviour in plain language and preserving the customisation for next time. A Create module generates images, videos, slides and documents from the same panel.

Pricing moves from a limited free tier to credit-based paid plans aimed at heavier users. Lower plans suit occasional chat, summarisation and translation, while higher tiers add a dedicated cloud computer that keeps the browser agent running around the clock and a larger monthly credit allowance. Sider ships as browser extensions for Chrome and Edge plus desktop and mobile apps for macOS, Windows, iOS and Android, and is used by a very large installed base.

**Pricing & Plans:** Freemium. Free tier available with limited credits; paid plans advertised at roughly US$10/month for occasional use up to around US$100/month at the top tier, with higher credit allowances and a dedicated cloud computer on the upper plans.

- **AI sidebar on any page:** A persistent panel that reads the page you are on and answers follow-ups with GPT, Claude or Gemini without copying content into another tab.
- **Summarise and chat with documents:** Summarise long articles, PDFs and YouTube videos, extract key points, and ask detailed questions about the source material.
- **Translation and read-aloud:** Translate webpages, PDFs and images, compare bilingual output side by side, and have content read aloud for review on the move.
- **Sider Hand browser agent:** Delegate multi-step tasks across real websites — price comparison, form filling, research and inbox triage — using your existing logged-in sessions.
- **Sider Code page customisation:** Describe a change in plain words and have Sider restyle or simplify any website, remembering the modification for future visits.

**Strengths:** Works inside the browser you already use, with no context switching; Access to multiple frontier models from one subscription; Strong reading toolkit: PDF chat, YouTube summaries, translation and read-aloud; Increasingly capable agent features for multi-step browser tasks

**Limitations:** Useful credits run out quickly on the free and lower tiers; Model availability and quota rules change over time, so expectations must be checked per plan; Some agent and code features depend on a cloud machine and heavier plans

[Profile (Markdown)](https://openaitools.app/tool/sider.md)

## Tabbit

Most AI browsers bolt a chat panel onto an existing browsing experience. Tabbit inverts that: it is designed as an agentic browser in which the AI already has your context. Your open tabs, the PDF you are reading, a screenshot, a highlighted paragraph and files on disk are all available as inputs, so instead of copy-pasting material into a prompt you reference it and let the agent work. The product's own framing — "tabs think, sites wake" — describes a browser that gets more useful the more of your work lives inside it.

The automation layer is where most of the value sits. A multi-agent arrangement lets you assign roles — a research reader, a crawler operator, a drafter, a data analyst — each loaded with the Skills relevant to that job. Tabbit ships a large catalogue of these Skills, covering common sites and repetitive tasks such as turning a two-hour podcast into a highlighted document, exporting a ChatGPT thread to Markdown in your own notes app, or pulling tables out of a stack of PDFs. You can also convert a prompt you keep reusing into a Skill of your own and trigger it with a slash command.

Practically, Tabbit is positioned as a free everyday browser rather than a paid AI product. The browser itself costs nothing; AI usage runs on a free weekly allowance, and setting Tabbit as your default browser lifts that allowance considerably at no charge. An optional Pro tier exists for people who want top-tier models and heavy Agent use. It runs on macOS and Windows, with Linux support added and mobile still on the roadmap. Because prompts are routed to the model vendor you select — via compliant servers in Singapore or your region — it is worth knowing which provider each conversation is hitting, something the interface keeps visible on purpose.

**Pricing & Plans:** Free, with an optional paid Pro tier. The browser is free forever. AI features come with a free weekly allowance on the Trial plan, and setting Tabbit as your default browser unlocks the Standard plan with 10× the usage at no additional cost. Pro is optional and aimed at users who need top-tier models and frequent Agent usage.

- **Context from tabs, files and highlights:** The agent can read open tabs, PDFs, bookmarks, HTML elements, screenshots, highlights and local files. Mention anything you have on screen — '@' a tab, a file or a highlighted element — and the agent picks it up as context.
- **Many leading models, day one:** Access most major models from inside the browser, with new versions typically available within about 12 hours of launch. The active model is displayed at the top of each chat so you always know which one is answering.
- **2,000+ Agentic Skills:** A large library of pre-built Skills covers popular sites and everyday tasks — pulling highlights from long videos, exporting a transcript to a knowledge base, summarising a research feed, or auditing subscriptions from email receipts. You can also package your own recurring prompts into Skills.
- **Multi-agent task execution:** Research, operator, writing and analysis roles can be loaded with the right Skills and run in parallel for bigger jobs, so a single request can fan out across several specialised agents instead of one generalist chat.
- **Tab and chat organisation, local-first storage:** Batch-organise threads into folders by detected topic, search across every past conversation, and keep highlights, chats and saved pages on your machine. Security controls are independently examined under SOC 2 Type I, and the site states it does not sell user data or train on your reads.

**Strengths:** Browser itself is free forever, with a generous default-browser unlock bonus; Strong context handling — tabs, PDFs, screenshots, highlights and local files are all usable inputs; Large library of ready-made Skills for common sites and repetitive tasks; New model versions appear quickly, usually within about 12 hours of launch

**Limitations:** Desktop only — no mobile client, and Linux support was only recently introduced; Continuous monthly visits to the server-weighted tab matrix are needed before team accounts earn their keep; Prompt context moves to the model vendor, so sensitive-material users should weigh that; The browser is young, so desktop integrations and extension compatibility can still be uneven

[Profile (Markdown)](https://openaitools.app/tool/tabbit.md)

## Frequently Asked Questions

### How do Sider and Tabbit compare in monthly traffic?

Sider has 2,644,740 monthly visits, while Tabbit has 1,285. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Sider has a month-over-month growth rate of -10.6%; Tabbit has -85.6%.

### How does pricing compare?

Sider: Freemium. Freemium. Free tier available with limited credits; paid plans advertised at roughly US$10/month for occasional use up to around US$100/month at the top tier, with higher credit allowances and a dedicated cloud computer on the upper plans. Tabbit: Freemium. Free, with an optional paid Pro tier. The browser is free forever. AI features come with a free weekly allowance on the Trial plan, and setting Tabbit as your default browser unlocks the Standard plan with 10× the usage at no additional cost. Pro is optional and aimed at users who need top-tier models and frequent Agent usage.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [ChatGPT](https://openaitools.app/tool/chatgpt-4) | 6,048,022,723 | +2.2% | Freemium | OpenAI's flagship multimodal assistant powered by GPT-6 and GPT-5.6 for reasoning, coding, and deep research. | [.md](https://openaitools.app/tool/chatgpt-4.md) |
| 2 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Anthropic's frontier AI workspace powered by Claude 5.5 for agentic coding, analysis, and nuanced writing. | [.md](https://openaitools.app/tool/claude-2.md) |
| 3 | [Muse](https://openaitools.app/tool/muse-ai-1) | 45,751,822 | +228.3% | Contact for Pricing | Your personal AI agent from Meta that actually gets things done | [.md](https://openaitools.app/tool/muse-ai-1.md) |
| 4 | [Manus](https://openaitools.app/tool/manus) | 19,195,779 | -1.7% | Free Trial | A general-purpose AI agent that executes tasks, not just answers them | [.md](https://openaitools.app/tool/manus.md) |
| 5 | [Monica](https://openaitools.app/tool/monica-ai) | 4,512,775 | -11.3% | Freemium | Offers a very similar browser sidebar experience with multiple AI models, but features slightly different pricing and workspace tools. | [.md](https://openaitools.app/tool/monica-ai.md) |
| 6 | [Merlin AI](https://openaitools.app/tool/merlin-ai) | 1,382,634 | +13.1% | Freemium | Provides robust browser-based summarization and prompt assistance, but lacks some of Sider's deeply integrated multi-model chat UI features. | [.md](https://openaitools.app/tool/merlin-ai.md) |
| 7 | [Dia Browser](https://openaitools.app/tool/dia-browser) | 1,254,172 | +108.4% | Free | The AI browser that reads between your tabs | [.md](https://openaitools.app/tool/dia-browser.md) |
| 8 | [MiniMax Agent](https://openaitools.app/tool/minimax-agent) | 679,573 | +2.8% | Freemium | An AI supercompanion that handles tasks, code and creative work end to end | [.md](https://openaitools.app/tool/minimax-agent.md) |
| 9 | [Tabbit Browser](https://openaitools.app/tool/tabbit-ai) | 670,981 | -30.2% | Freemium | The agentic AI browser that reads your tabs, files, and screenshots as context | [.md](https://openaitools.app/tool/tabbit-ai.md) |
| 10 | [Eigent AI](https://openaitools.app/tool/eigent-ai) | 575,703 | +1.4% | Freemium, Free Trial, Contact for Pricing | Open-source desktop AI workforce that runs browser, file, and app tasks for you | [.md](https://openaitools.app/tool/eigent-ai.md) |

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Source: https://openaitools.app/compare/sider-vs-tabbit

More Markdown: [Categories](https://openaitools.app/categories.md) · [Traffic rankings](https://openaitools.app/rankings.md) · [llms.txt](https://openaitools.app/llms.txt)