AI · alternatives · 2026
24 alternatives to Vercel AI SDK Playground – compare LLMs side-by-side
The AI Toolkit for TypeScript, from the creators of Next.js.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Vercel AI SDK Playground – compare LLMs side-by-side launched in 2023; newer entries below may have overtaken it.
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Hey, 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…
2023 · play.vercel.ai · its alternatives →
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LLMWare▲358Dev tool to make AI apps to deploy privately or locally
2024 · llmware.ai · its alternatives →
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LLM Stats▲293I was overspending on GPT-4o. It was really hard to compare different models I could switch to, so I built this LLM comparison tool. It shows leaderboards, pricing, and performance data across 100+ LLMs (including all major providers and open-source models). Key features: - Live pricing comparisons - Benchmark Scores (MMLU, HumanEval, GPQA, etc.) - Context length vs cost analysis - Speed/throughput tests across providers - Quality vs price visualizations - Open source (all data verifiable) Try it out: https://llmstats.com I'd like to know your opinion :) Tech stack: Next.js,…
Oct 2025 · llm-stats.com · its alternatives →
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Compare AI models easily! All providers in one place. Find the best LLM for your needs with our comprehensive pricing calculator and feature comparison tool. OpenAI, Anthropic, Google, and more.
2024 · countless.dev · its alternatives →
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Aggregate uptime monitoring across OpenAI, Claude, and more
Apr 2026 · tools.lamatic.ai · its alternatives →
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Hey 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…
2024 · github.com · its alternatives →
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Test 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.
2023 · retool.com · its alternatives →
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Build local LLMs using top data science libraries
2023 · its alternatives →
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Gradient▲153Developer API for building private LLMs that you own
2023 · hyperagent.com · its alternatives →
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Python & JS/TS SDK for running AI-generated code/code interpreting in your AI app - GitHub - e2b-dev/code-interpreter: Python & JS/TS SDK for running AI-generated code/code interpreting in your AI app
2024 · github.com · its alternatives →
- 14TL
2023 · tinyllms.vercel.app · its alternatives →
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Test LLM prompts & models side-by-side against many inputs
2024 · its alternatives →
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Build autonomous AI agents with Next.js & Vercel
2025 · aiagents.ausbizconsulting.com.au · its alternatives →
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- 19AT
2024 · webcrumbs.org · its alternatives →
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Avocado▲90AI-native content operations for any Next.js website
Jun 2026 · avocadostudio.dev · its alternatives →
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Find the Best LLM for Your Needs through E2E Testing - Yuyz0112/relia
2024 · github.com · its alternatives →
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Eidentic▲65The TypeScript SDK for AI agents with self-improving memory
Jun 2026 · eidentic.dev · its alternatives →
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Compare LLM outputs (GPT-4, Claude...) in simple playground.
Nov 2025 · llm-lab-three.vercel.app · its alternatives →
- 24AT
I recently built a small open-source tool to benchmark different LLM API endpoints — including OpenAI, Claude, and self-hosted models (like llama.cpp). It runs a configurable number of test requests and reports two key metrics: • First-token latency (ms): How long it takes for the first token to appear • Output speed (tokens/sec): Overall output fluency Demo: https://llmapitest.com/ Code: https://github.com/qjr87/llm-api-test The goal is to provide a simple, visual, and reproducible way to evaluate performance across different LLM providers, including…
2025 · llmapitest.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →