Merlin AI records 1,382,634 monthly visits with +13.1% month-over-month growth and Freemium pricing. Postel records 121,244 monthly visits with +5.8% growth and Free Trial, Paid pricing.
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
AI writing assistant that drafts and schedules social posts in your own voice
| Dimension / Metric | | |
|---|---|---|
| Official Domain | getmerlin.in | postel.app |
| Pricing Model | Freemium | Free Trial, Paid |
| Monthly Visits | 1.38M (1,382,634) | 121.24K (121,244) |
| MoM Traffic Delta | +159.85K (+13.1%) | +6.68K (+5.8%) |
| Primary Market & Share | 🇺🇸 United States (15%) | 🇺🇸 United States (14.8%) |
| Direct Visits / mo | 695.32K | 21.61K |
| User Rating | 4.3 | 4.2 |
| Supported Platforms | Browser Extension | Website |
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
Switch between GPT, Claude, Gemini, DeepSeek, Mistral and Llama class models from a single interface instead of juggling separate subscriptions.
Summarize articles, YouTube videos, PDFs and documents in place, then ask follow-up questions grounded in that content.
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.
Generate images from prompts using more than 20 image models and multiple aspect ratios for web and social output.
AI writing assistant that drafts and schedules social posts in your own voice
Reads your historical posts to map line length, opening style, vocabulary and banned phrases so drafts sound like you.
Generates one drafted post for every day you normally publish and slots each into a calendar automatically.
Publishes to LinkedIn out of the box and connects X, Bluesky, Mastodon, TikTok and YouTube.
Accepts call notes, links, voice memos and podcast recordings as source material for new content.
SpecialistProvides superior core reasoning and advanced coding agents, but lacks Merlin's seamless one-click browser tab integration and sidebar shortcuts.
SpecialistProvides superior core reasoning and advanced coding agents, but lacks Merlin's seamless one-click browser tab integration and sidebar shortcuts.
SpecialistOffers massive context windows and Google Workspace integration, but functions as a standalone web app rather than an inline sidebar.
SpecialistOffers massive context windows and Google Workspace integration, but functions as a standalone web app rather than an inline sidebar.
SpecialistExcels at nuanced document analysis and writing, but operates as a dedicated web workspace rather than a browser extension.
SpecialistExcels at nuanced document analysis and writing, but operates as a dedicated web workspace rather than a browser extension.
SpecialistDelivers superior citation-backed web research and real-time search, but lacks Merlin's multi-purpose browser writing tools and sidebar utilities.
SpecialistDelivers superior citation-backed web research and real-time search, but lacks Merlin's multi-purpose browser writing tools and sidebar utilities.
Aggregates diverse frontier models into one conversational interface, but operates primarily as a web/app client rather than a native extension.
Aggregates diverse frontier models into one conversational interface, but operates primarily as a web/app client rather than a native extension.
Provides comparable all-in-one browser assistance and multi-model chat, but includes more robust built-in painting and drawing suites.
Provides comparable all-in-one browser assistance and multi-model chat, but includes more robust built-in painting and drawing suites.
Offers a similar browser sidebar experience with multi-model support, but features cleaner tab integration and smoother reading tools.
Offers a similar browser sidebar experience with multi-model support, but features cleaner tab integration and smoother reading tools.
SpecialistIntegrates AI directly into an independent browser environment, whereas Merlin runs as an extension across existing browsers.
SpecialistIntegrates AI directly into an independent browser environment, whereas Merlin runs as an extension across existing browsers.
Delivers a cross-platform AI chat client with local file Q&A, but requires desktop installation rather than browser extension access.
Delivers a cross-platform AI chat client with local file Q&A, but requires desktop installation rather than browser extension access.
Combines browser AI chat with advanced web automation and data extraction, though with a steeper learning curve.
Focuses on side-by-side multi-model comparison in a sidebar, but lacks Merlin's deeper document and video summarization workflows.
Focuses on side-by-side multi-model comparison in a sidebar, but lacks Merlin's deeper document and video summarization workflows.
SpecialistSpecializes in predictive autocomplete and writing assistance, but provides less comprehensive general chat and video summarization features.
SpecialistSpecializes in predictive autocomplete and writing assistance, but provides less comprehensive general chat and video summarization features.
