Monica AI
AIFreemium
AI copilot for chat, translation and writing on any site.
4.932,200 reviews3M+
View Extension
Merlin AI
One AI assistant for summarising, writing and answering on any page.
Merlin AI screenshots
Overview
Merlin adds a keyboard-triggered AI sidebar to every page. It can summarise the current article, answer questions about it, draft replies in Gmail and generate social posts, switching between several underlying models.
Pros
- Works on any page
- Multiple models in one subscription
- YouTube and PDF summaries
- Good keyboard flow
Cons
- Daily query limits on free plan
- Sidebar can overlap page UI
- Quality varies by model
Who should use Merlin AI?
Generalists who want a single AI sidebar instead of five separate AI extensions.
Pricing
Merlin AI is freemium — From $14.25/mo. The free tier is usable for evaluation; compare paid tiers before committing a team.
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View ExtensionFrequently asked questions
Is Merlin AI free?
Merlin AI offers paid plans (From $14.25/mo).
Is Merlin AI safe to install?
Merlin AI is published by Foyer Labs. As with any extension, review the permissions it requests before installing and remove it if you stop using it.
What are the best Merlin AI alternatives?
Browse the AI category for comparable options.
Related extensions to Merlin AI
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Monica AI alternativesAI copilot for chat, translation and writing on any site.Perplexity alternativesAnswer engine with cited sources built into the browser.ChatGPT for Google alternativesShows AI answers alongside your normal search results.Monica vs Merlin AIMonica or Merlin AI for an AI sidebar?Merlin AI vs PerplexityMerlin AI or Perplexity: which should I install?Merlin AI vs ChatGPT for GoogleMerlin AI or ChatGPT for Google: which should I install?Monica vs PerplexityWhich AI extension gives sourced answers?All AI extensionsEvery ai extension in the directory, ranked.
Compare Merlin AI with the obvious rivals
Side-by-side feature tables, pricing and a clear recommendation.
Monica vs Merlin AITwo all-in-one AI sidebars compared on model access, free quota and page context.Merlin AI vs PerplexityBoth are ai extensions people shortlist together for ai — see how ratings, install base, pricing and day-to-day use differ.Merlin AI vs ChatGPT for GoogleBoth are ai extensions people shortlist together for ai — see how ratings, install base, pricing and day-to-day use differ.Merlin AI alternativesRanked replacements if Merlin AI is not the right fit.All comparisonsThe full compare hub, grouped by category.
Shortlists that include this category
Best Productivity Chrome ExtensionsTen productivity Chrome extensions worth installing, with live Chrome Web Store ratings and install counts, honest trade-offs and a permissions checklist.Best AI Chrome ExtensionsThe AI Chrome extensions worth a permission grant, grouped by the job they do: answering, summarising, writing and archiving. Live store ratings and honest limits.Best SEO Chrome ExtensionsSeven SEO Chrome extensions that answer a question faster than a dashboard: on-page audits, keyword overlays and competitor stacks, with accuracy caveats.