Show HN: Airena – Client-side arena for comparing AI models across 68 providers

I made a tool to compare AI models side-by-side in real-time.

Pick models (GPT-5, Claude, Gemini, etc.), enter a prompt, and see responses in parallel. Fully client-side, no backend.

Demo: https://arena.jit.dev Code: https://github.com/andronov04/airena

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Comments URL: https://news.ycombinator.com/item?id=46140234

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