# Merlin AI Alternatives

12 alternatives to Merlin AI (1.38M monthly visits, Freemium), matched by function and use case.

About Merlin AI: One AI assistant that plugs ChatGPT, Claude and Gemini into every tab — [Profile (Markdown)](https://openaitools.app/tool/merlin-ai-plugins.md)

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Compare |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Sider](https://openaitools.app/tool/sider) | 2,644,740 | -10.6% | Freemium | AI sidebar and browser agent for reading, writing and research | [Merlin AI vs Sider](https://openaitools.app/compare/merlin-ai-plugins-vs-sider.md) |
| 2 | [Monica](https://openaitools.app/tool/monica-ai) | 4,512,775 | -11.3% | Freemium | All-in-one AI assistant across web, browser, desktop and mobile | [Merlin AI vs Monica](https://openaitools.app/compare/merlin-ai-plugins-vs-monica-ai.md) |
| 3 | [HARPA AI](https://openaitools.app/tool/harpa-ai) | 537,461 | +99.3% | Freemium | One browser agent that combines every major AI model with web automation | [Merlin AI vs HARPA AI](https://openaitools.app/compare/harpa-ai-vs-merlin-ai-plugins.md) |
| 4 | [ChatHub](https://openaitools.app/tool/chathub) | 322,618 | -13.9% | Freemium | Compare GPT, Claude, and Gemini answers side by side in one chat | [Merlin AI vs ChatHub](https://openaitools.app/compare/chathub-vs-merlin-ai-plugins.md) |
| 5 | [Poe](https://openaitools.app/tool/poe) | 5,894,702 | +9.1% | Freemium | One app to chat with GPT, Claude, Gemini and hundreds of other AI models | [Merlin AI vs Poe](https://openaitools.app/compare/merlin-ai-plugins-vs-poe.md) |
| 6 | [Chatbox](https://openaitools.app/tool/chatbox) | 567,170 | -16.1% | Freemium | One privacy-first AI client for GPT, Claude, Gemini and more | [Merlin AI vs Chatbox](https://openaitools.app/compare/chatbox-vs-merlin-ai-plugins.md) |
| 7 | [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. | [Merlin AI vs ChatGPT](https://openaitools.app/compare/chatgpt-4-vs-merlin-ai-plugins.md) |
| 8 | [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. | [Merlin AI vs Claude](https://openaitools.app/compare/claude-2-vs-merlin-ai-plugins.md) |
| 9 | [Perplexity](https://openaitools.app/tool/perplexity-ai) | 88,310,223 | -3.7% | Freemium | Real-time AI answer engine and research workspace combining live web citations with frontier reasoning models. | [Merlin AI vs Perplexity](https://openaitools.app/compare/merlin-ai-plugins-vs-perplexity-ai.md) |
| 10 | [Google Gemini](https://openaitools.app/tool/gemini-gemini-advanced) | 2,637,398,242 | -0.1% | Freemium | Google's multimodal AI assistant powered by Gemini 4 Carbon (Gemini Carbon 4), Gemini 4 Argon, and Gemini 3.8 Flash with a 1M-token context window and Workspace integration. | [Merlin AI vs Google Gemini](https://openaitools.app/compare/gemini-gemini-advanced-vs-merlin-ai-plugins.md) |
| 11 | [HyperWrite](https://openaitools.app/tool/hyperwrite-ai) | 255,429 | +34.4% | Freemium | AI writing assistant with autocomplete, research, and a Chrome extension | [Merlin AI vs HyperWrite](https://openaitools.app/compare/hyperwrite-ai-vs-merlin-ai-plugins.md) |
| 12 | [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 | [Merlin AI vs Tabbit Browser](https://openaitools.app/compare/merlin-ai-plugins-vs-tabbit-ai.md) |

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Source: https://openaitools.app/alternatives/merlin-ai-plugins

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