# ChatWork™ Copilot vs Merlin AI

ChatWork™ Copilot records 0 monthly visits with — month-over-month growth and Freemium, Free pricing. Merlin AI records 1,382,634 monthly visits with +13.1% growth and Freemium pricing.

| Metric | [ChatWork™ Copilot](https://openaitools.app/tool/chatwork-copilot) | [Merlin AI](https://openaitools.app/tool/merlin-ai-plugins) |
| :--- | :--- | :--- |
| Website URL | https://chromewebstore.google.com/detail/chatwork-copilot/mlinajkbaceacmgohnehoopkmajnleaf | https://www.getmerlin.in |
| Categories | AI Chatbot, Large Language Models (LLMs), AI Prompt Generator, AI Speech-to-Text | AI Assistant, AI Summarizer, AI Writing Assistants, AI Chatbot |
| Pricing Model | Freemium, Free | Freemium |
| Monthly Visits | 0 | 1,382,634 |
| MoM Growth Rate | — | +13.1% |
| Primary Market | Global | United States |
| Direct Visits | 0 | 695,322 |
| Review Score | 2.2 | 4.3 |
| Saved Count | 2 | 17 |
| Supported Platforms | Browser Extension | Browser Extension |

## ChatWork™ Copilot

ChatWork™ Copilot is a chrome extension in the busy category of 'AI sidebar' tools. What sets it apart is the sheer breadth of bundled capability: rather than a single chat box, the listing describes more than 17 built-in plugins covering reading assistance, data extraction, prompt engineering, speech-to-text and image generation, all reachable from one floating blue dot on any web page.

The extension is developed by iambuffett.net and has accumulated around 1,000 users with a 4.3-star average across 15 ratings, with version 4.8.3 published in July 2024. It is positioned as a free productivity add-on rather than a paid subscription product.

Note that ChatWork™ Copilot is an independent third-party browser extension and is unrelated to Chatwork, the Japanese business chat and groupware service. It also has no official relationship with OpenAI; it uses OpenAI and other model APIs as underlying engines.

**Pricing & Plans:** Free. The Chrome Web Store listing presents the extension at no cost with a large bundled plugin set; costs associated with the underlying model APIs are typically handled by the user's own API credentials.

- **Web page Q&A:** Ask questions about the page in front of you — articles, docs, dashboards — and get GPT-4 answers grounded in its content.
- **Table scraping:** Pull tabular content from a page into a clean, structured dataset suitable for spreadsheets or further analysis.
- **Prompt optimization:** Run drafts through prompt-optimization models (BART-large-CNN summarization, prompt generator, prompt extend) to get sharper results.
- **Speech-to-text and image generation:** Convert spoken input to text with OpenAI Whisper Large V2, and turn written prompts into images with DALL·E 2 or Stable Diffusion 2.1.
- **One-click sidebar anywhere:** A small floating blue dot stays available on every site, opening a sidebar with more than a dozen built-in AI plugins at any time.

**Strengths:** Free to install with no subscription for the extension itself; Very broad feature set: Q&A, scraping, prompt tuning, dictation and image generation in one place; Accessible on any site from a single floating icon; Supports several model families, including GPT-4 Vision and Whisper

**Limitations:** Chrome-only: no Firefox or Safari build; Some companion web endpoints referenced in the listing are unreliable; Bundles many model providers, so output quality varies by task; Interface packs dozens of plugins, which can feel cluttered for new users

[Profile (Markdown)](https://openaitools.app/tool/chatwork-copilot.md)

## Merlin AI

Merlin is built around a simple idea: instead of opening a separate chat tab for every task, you summon one assistant with a click while staying inside whatever you are reading or working on. The extension injects a sidebar on any web page, so it can read the article, the PDF, the YouTube transcript or the Gmail thread you currently have open and respond with that context already loaded. That makes summarization, rewriting, replying and research feel like part of the page rather than a separate tool.

Under the hood Merlin routes requests across a broad set of models — OpenAI's GPT family, Anthropic's Claude, Google's Gemini, DeepSeek, Mistral, Meta's Llama and others — so you can pick the model that suits a task without holding separate subscriptions for each. Beyond chat there is an image generator with multiple models and aspect ratios, a search mode that answers questions from live web results, document and video summarization, and a library of saved prompts. Newer additions like Projects (reusable knowledge bases) and Crafts (generated diagrams, mind maps and charts) push it toward light research and prototyping work.

Merlin is available as a Chrome extension, a web app, an iOS app and an Android app with synced history, custom prompts and custom bots across devices. The vendor highlights GDPR, ISO 27001 and SOC 2 alignment for data handling, and positions itself as accessible in 200+ countries where some other assistants are restricted. It is squarely a productivity assistant rather than a developer platform.

**Pricing & Plans:** Freemium. A free tier covers everyday use, and Merlin Pro is promoted at $2/month as a special offer, with the standard plan advertised around $19/month billed annually and described as replacing roughly $130/month of separate AI subscriptions. Paid tiers add higher limits, more capable models and advanced features.

- **Multi-model access in one place:** Switch between GPT, Claude, Gemini, DeepSeek, Mistral and Llama class models from a single interface instead of juggling separate subscriptions.
- **Universal page summarization:** Summarize articles, YouTube videos, PDFs and documents in place, then ask follow-up questions grounded in that content.
- **Writing and social drafts:** Draft and reply to emails in Gmail, compose posts and comments for X and LinkedIn, and repurpose web pages or videos into blogs and articles.
- **Image generation:** Generate images from prompts using more than 20 image models and multiple aspect ratios for web and social output.
- **Projects, Crafts and custom bots:** Build reusable knowledge bases, generate diagrams and charts from a prompt, and assemble custom chatbots from your own instructions and context.

**Strengths:** Replaces several separate AI subscriptions with one interface and one bill; Works inline on any page, so context is captured without copy-pasting; Covers a wide range of tasks: chat, summarization, writing, images, search and light research; Syncs across browser, web, iOS and Android with custom prompts and bots preserved

**Limitations:** The free tier is limited, and heavy use pushes you toward the paid plan; Covering so many features means individual tools may be less deep than dedicated apps; Requires trusting a third party with the pages and documents you send it, even with the stated compliance certifications

[Profile (Markdown)](https://openaitools.app/tool/merlin-ai-plugins.md)

## Frequently Asked Questions

### How do ChatWork™ Copilot and Merlin AI compare in monthly traffic?

ChatWork™ Copilot has 0 monthly visits, while Merlin AI has 1,382,634. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

ChatWork™ Copilot has a month-over-month growth rate of —; Merlin AI has +13.1%.

### How does pricing compare?

ChatWork™ Copilot: Freemium, Free. Free. The Chrome Web Store listing presents the extension at no cost with a large bundled plugin set; costs associated with the underlying model APIs are typically handled by the user's own API credentials. Merlin AI: Freemium. Freemium. A free tier covers everyday use, and Merlin Pro is promoted at $2/month as a special offer, with the standard plan advertised around $19/month billed annually and described as replacing roughly $130/month of separate AI subscriptions. Paid tiers add higher limits, more capable models and advanced features.

## 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 | Provides superior core reasoning and advanced coding agents, but lacks Merlin's seamless one-click browser tab integration and sidebar shortcuts. | [.md](https://openaitools.app/tool/chatgpt-4.md) |
| 2 | [Google Gemini](https://openaitools.app/tool/gemini-gemini-advanced) | 2,637,398,242 | -0.1% | Freemium | Offers massive context windows and Google Workspace integration, but functions as a standalone web app rather than an inline sidebar. | [.md](https://openaitools.app/tool/gemini-gemini-advanced.md) |
| 3 | [Claude](https://openaitools.app/tool/claude-2) | 1,253,439,413 | +23.8% | Freemium | Excels at nuanced document analysis and writing, but operates as a dedicated web workspace rather than a browser extension. | [.md](https://openaitools.app/tool/claude-2.md) |
| 4 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Delivers superior citation-backed web research and real-time search, but lacks Merlin's multi-purpose browser writing tools and sidebar utilities. | [.md](https://openaitools.app/tool/perplexity-ai.md) |
| 5 | [Poe](https://openaitools.app/tool/poe) | 5,894,702 | +9.1% | Freemium | Aggregates diverse frontier models into one conversational interface, but operates primarily as a web/app client rather than a native extension. | [.md](https://openaitools.app/tool/poe.md) |
| 6 | [Monica](https://openaitools.app/tool/monica-ai) | 4,512,775 | -11.3% | Freemium | Provides comparable all-in-one browser assistance and multi-model chat, but includes more robust built-in painting and drawing suites. | [.md](https://openaitools.app/tool/monica-ai.md) |
| 7 | [Sider](https://openaitools.app/tool/sider) | 2,644,740 | -10.6% | Freemium | Offers a similar browser sidebar experience with multi-model support, but features cleaner tab integration and smoother reading tools. | [.md](https://openaitools.app/tool/sider.md) |
| 8 | [Chat & Ask AI](https://openaitools.app/tool/askaichat-app) | 881,428 | +14.9% | Freemium | One subscription, many AI models — chat, search, analyze files and links | [.md](https://openaitools.app/tool/askaichat-app.md) |
| 9 | [Tabbit Browser](https://openaitools.app/tool/tabbit-ai) | 670,981 | -30.2% | Freemium | Integrates AI directly into an independent browser environment, whereas Merlin runs as an extension across existing browsers. | [.md](https://openaitools.app/tool/tabbit-ai.md) |
| 10 | [Chatbox](https://openaitools.app/tool/chatbox) | 567,170 | -16.1% | Freemium | Delivers a cross-platform AI chat client with local file Q&A, but requires desktop installation rather than browser extension access. | [.md](https://openaitools.app/tool/chatbox.md) |

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Source: https://openaitools.app/compare/chatwork-copilot-vs-merlin-ai-plugins

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