Firefox 155 brings AI-powered Smart Window to more countries

Mozilla released Firefox 155, the first under its new twice-monthly schedule, expanding the AI-powered Smart Window browsing mode to users in the USA, Canada, and France, with opt-in access and support for AI models from Alibaba, OpenAI, and Google. The update also adds personalized resume conversation starters, faster responses with Exa web search citations, and improved tab grouping in Smart Window Organise Tabs.

Firefox 155 is out, the first to arrive as part of the browser’s new twice-monthly release schedule. This update brings Firefox’s AI-powered Smart Window browsing mode to users in the USA, Canada and France. It’s still opt-in for now , and is powered by your choice of AI model from Alibaba, OpenAI and Google. Mozilla’s also added changes to entice you to chat more “personalised resume conversation starters” , made the assistant faster at responding with Exa web search citations and made the Smart Window Organise Tabs better at grouping related tabs. If none of that floats your boat, you can remove … You're reading Firefox 155 brings AI-powered Smart Window to more countries https://www.omgubuntu.co.uk/2026/09/firefox-155-released , a blog post from OMG Ubuntu https://www.omgubuntu.co.uk . Do not reproduce elsewhere without permission.