Multi-model sidebars
Merlin
A sidebar assistant that answers on any page and supports several underlying models.
- Publisher
- Foyer
- Category
- Multi-model sidebars
- Last reviewed
- 2026-09-15
Good at
- + Keyboard-driven access anywhere in the browser
- + Summaries for pages and videos
- + Model choice inside one subscription
Watch for
- - Credit-based limits
- - Third-party handling of page content
- - Overlaps heavily with other sidebars
Prices, plan limits and availability change frequently in this category, so this entry deliberately avoids quoting them. Check the publisher's own site for current terms.
Common questions
- What is Merlin?
- A sidebar assistant that answers on any page and supports several underlying models. It is published by Foyer.
- What is Merlin good at?
- Keyboard-driven access anywhere in the browser. Summaries for pages and videos. Model choice inside one subscription.
- What are the limitations of Merlin?
- Credit-based limits. Third-party handling of page content. Overlaps heavily with other sidebars.
Others in multi-model sidebars
- SiderA sidebar extension that routes your prompts to several different models from one panel.
- MonicaAn all-in-one AI assistant extension offering chat, writing help and page summaries across multiple models.
- HARPA AIAn automation-leaning extension that combines page reading, web monitoring and AI commands.
- MaxAIA sidebar assistant with shortcuts for summarising, rewriting and translating whatever is on screen.
- Full directoryEvery category, side by side.
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