Sider puts several AI models, chat, summaries, translation and a deep research agent in a browser sidebar. Used by people who want AI help while reading and writing on the web.
Builder’s Brief
Sider is a productivity tool on FalcoScan. Multi-model AI sidebar and research agent for the browser. FalcoScan rates Sider as moderate opportunity, a contested market, and low wrapper risk. Momentum: stable. Pricing: Freemium from $20/mo.
Market position · Productivity
How Sider compares in Productivity
Sider has moderate opportunity and sits in the middle third of 309 live Productivity tools on FalcoScan. Across Productivity, the average opportunity score is 63.3 and the average saturation score 46.9. FalcoScan rates Sider's own market position as contested. 58 of the 309 operating Productivity tools have hot momentum, and FalcoScan has recorded 3 shutdowns in the category.
Sider has a free tier, with paid plans from $20 a month.
What are the best alternatives to Sider?
The closest alternatives to Sider that are still running, matched on the AI capabilities, uses and audience they share, are Pretty Prompt, Monica AI Sidebar, Merlin AI Extension, Cuey, and GBrain.
Is Sider still operating?
Yes. FalcoScan's operating checks list Sider as active.
Does Sider have an API?
Yes. Sider offers an API.
How do I sign in to Sider?
Sign in on Sider's own website, sider.ai. FalcoScan reviews Sider but does not run its accounts, so logins, passwords and billing are handled by Sider directly.