Codeium – a free, fast AI codegen extension
I'm Varun, CEO of Exafunction, and we just released Codeium to open up access of generative AI to all developers for free. In the spirit of Show HN, we created a playground version for anyone to try this tech in the browser (click Try in Browser)! We have built scalable, low-latency ML infra for many top AI companies in the past, and we are excited to leverage that tech into a product that we, as developers, would love. We hope that you do too, and we would appreciate any feedback that this community has for us!
Codeium – a free, fast AI codegen extension launched on December 6, 2022 with 86 votes, #554 of 3,688 launches that month and more than 90% of that year's launches. The site was not reachable when checked in September 2026.
In plain words
Codeium is a free AI code generation extension that provides real-time code suggestions to developers. Built by Exafunction, a company with experience in scalable machine learning infrastructure, it offers low-latency performance across multiple programming environments. The tool is available as a browser-based playground and as an IDE extension, making AI-assisted coding accessible to developers without cost.
written from the facts on this page · September 2026
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