XsAI – A < 6KB Vercel AI SDK Alternative
extra-small AI SDK for Browser, Node.js, Deno, Bun or Edge Runtime.
XsAI – A < 6KB Vercel AI SDK Alternative launched on March 3, 2025 with 7 votes and more than 75% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
Vercel AI SDK is way too big, it includes unnecessary dependencies. For example, Vercel AI SDK shipped with non-optional OpenTelemetry dependencies, and bind the user to use zod (you don't get to choose), and so much more... This makes it hard to build small and decent AI applications & CLI tools with less bundle size and more controllable and atomic capabilities that user truly needed. It's roughly a hundred times smaller than the Vercel AI SDK (*install size) and has most of its features. You can install the xsai package, which contains all the core utils. npm i @xsai/generate-text @xsai/embed @xsai/model Generating Text So let's start with some simple examples. import { generateText }…from blog.moeru.ai
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