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i built a blackjack benchmark to test which ai model plays closest to optimal strategy!
i ran 5 language models through 1,000 hands of blackjack each to see who could match optimal play.
i also built a real-time ui where you can play alongside the ai recommendations and see how they compare to optimal strategy. the entire project uses fastapi + htmx for server-side rendering, with a custom blackjack engine following standard casino rules (6-deck shoe, dealer stands on soft 17, etc.).
all code, data, and visualizations are open source and free to use!
repository: https://github.com/thomasgtaylor/llm21
source