
AI Fiesta
Access 9+ premium AI models side-by-side in one chat for $12/month.
Data verified Sep 9, 2026
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About AI Fiesta
AI Fiesta is a multi-model AI aggregator that lets you query top premium models — GPT-5, Claude Sonnet 4, Gemini 2.5 Pro, Grok 4, Perplexity, DeepSeek, Kimi K2, Qwen 3 Max and Mistral — from a single chat window and compare their answers side-by-side. Built by Y Combinator alumni, it's aimed at power users, small teams and researchers who want to avoid juggling separate subscriptions and tabs. Its main differentiator is combining side-by-side model comparison plus an automatic best-model selector (Super Fiesta) for roughly the cost of one individual AI subscription.







