Airtrain.ai LLM Playground

What it does

A no-code LLM playground to vibe-check and compare quality, performance, and cost at once across a wide selection of open-source and proprietary LLMs: Claude, Gemini, Mistral AI models, Open AI models, Llama 2, Phi-2, etc.

• 
  Taylor AI2023 · trytaylor.ai · ▲118

  Fine-tune open source LLMs in minutes

• 
  AI Playground by Vercel Labs2023 · play.vercel.ai · ▲249

  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…

• 
  LLMTestMay 2026 · llmtest.io · ▲125

  Use the right LLMs in your apps. Setup fallbacks. Be happy.

• 
  OpenRouter Model FusionApr 2026 · openrouter.ai · ▲144

  Hey HN, We've been building a multi-model API for LLMs called OpenRouter since we launched the Window AI extension in April this year [0]. The events of the last week make it clear the LLM landscape is unpredictable, so LLM aggregators are picking up interest. Unlike others, we're making a router on top of a public, explorable dataset. We recently built a way to rank and visualize this data, including the token counts we see going to and from different models, both open-sourced (like Llama, Mistral, finetunes, and variants) and closed-sourced (OpenAI, Anthropic). The API supports - 50+…

• 
  Mammouth2024 · ▲190

  Get access to the best LLMs in one place for 10€

• 
  Vibe PocketDec 2025 · vibepocket.com · ▲135

  Run AI agents like Claude Code, Codex, Opencode on mobile

• 
  Spira Maxima▲578

  Video model that turns script into viral social media videos

  AI · 17d ago · spira.ai

• 
  Rill Browser▲540

  The browser where Claude Code and Codex work beside you

  AI · 17d ago · rill.love

• 
  Germany's new sovereign AI model Kolibri▲424

  Kolibri is Aleph Alpha

  AI · 19d ago · tej.as

• 
  Giving Opus 5.5 a simulated paint canvas▲392

  Paintings by AI models: programs run through a simulation of oil paint.

  AI · 20d ago · stillwet.art

• 
  PixVerse R2▲381

  A real-time world model you can explore and change

  AI · 29d ago · world.pixverse.video

• 
  Hemory▲381

  Keep listening. Searchable memory for your AI agents.

  AI · 30d ago · hemory.com

• 
  Dub.co▲1,475

  Short links with superpowers

  Dev tools · 2024 · dub.co

• 
  3 years and 1M users later, I just open-sourced my "Internet OS"▲1,274

  🌐 The Internet Computer! Free, Open-Source, and Self-Hostable. - HeyPuter/puter

  Dev tools · 2024 · github.com

• 
  Microlaunch▲1,115

  Launch and get feedback on both the idea and product

  Dev tools · 2024 · microlaunch.net

• 
  Milestone▲1,113

  Interactive, gamified product tours for SaaS

  Growth · 2024 · milestoneflow.io

• 
  Hunted Space▲1,004

  Insights on Product Hunt launches

  Growth · 2024 · hunted.space

• 
  Creatie▲850

  The one-stop product design tool amplified by AI

  AI · 2024 · creatie.ai