Vercel AI SDK Playground – compare LLMs side-by-side
The AI Toolkit for TypeScript, from the creators of Next.js.
Vercel AI SDK Playground – compare LLMs side-by-side launched on June 15, 2023 with 8 votes, #1,746 of 4,655 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 3 years on.
What it does
The open-source AI toolkit designed to help developers build AI-powered applications and agents with React, Next.js, Vue, Svelte, Node.js, andfrom sdk.vercel.ai
Does a similar job
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AI Playground by Vercel Labs2023 · play.vercel.ai · ▲249Hey, Jared Palmer (creator of this playground) here. Really excited to ship this. I’ve been building this over the past few weeks to compare LLMs from different providers like OpenAI, Anthropic, Cohere, etc. At Vercel, I manage our Frameworks division (including Next.js, Svelte, and Turbo) and wanted to also dogfood some of the latest features in a slightly larger application. This playground takes a lot of inspiration from https://nat.dev and is built on Tailwind, ui.shadcn.com, and some upcoming Vercel products we’re announcing soon. We’re going to continue adding models to…
LLM Ops Toolkit by Lamatic.aiApr 2026 · tools.lamatic.ai · ▲96Aggregate uptime monitoring across OpenAI, Claude, and more
A React and Next.js UI Toolkit for LLMs2024 · github.com · ▲24Hey HN, I wanted to share a UI toolkit project I’ve been working on recently, born out of how difficult I found it to build a great UX on top of LLMs, and keep application state in sync. I’ve built: - A React/JS front-end library for conversational interfaces, which makes it super easy to bootstrap AI assistants and ChatGPT style UX: https://github.com/nlkitai/nlux - A set of adapters that simplify integration with AI backends such as LangServe and HuggingFace The library is highly configurable, easy to theme, supports markdown streaming (that was tough to get…
LLM Playground, compare results side by side2023 · retool.com · ▲14Test and compare results from Large Language Models (LLMs) simultaneously, including Anthropic's Claude 1.2, OpenAI's GPT-4, GPT-3.5 turbo, and Cohere's CommandXL Nightly. Analyze the results side-by-side in a single UI on top of LLM APIs.
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