AI Playground by Vercel

AI Playground is a free, browser-based tool that lets you compare and test multiple leading AI models side-by-side in real-time. Built by Vercel, it provides an accessible way to experiment with dozens of cutting-edge language models from top providers without needing API keys or coding knowledge. Model Comparison: Test prompts across multiple AI models simultaneously to compare outputs, speed, and quality Extensive Model Library: Access to 100+ models including GPT-5 series, Claude (Opus/Sonnet/Haiku), Gemini, DeepSeek, Mistral, Grok, and many others Zero Setup Required: No authentication or API configuration needed to get started Playground History: Sign in with Vercel to save and revisit your experiments Provider Diversity: Support for models from OpenAI, Anthropic, Google, Meta, xAI, Cohere, Mistral, and numerous other providers Evaluate which AI model works best for your specific task Test prompt variations and optimize responses Compare reasoning capabilities across different models Experiment with emerging models before integration Learn about the latest AI advancements hands-on Perfect for developers, researchers, content creators, and anyone curious about AI capabilities, AI Playground democratizes access to state-of-the-art language models in one convenient platform.