Developer Builds AI Dungeon Master with DeepSeek: 1000+ Turns for Under $2

zacurryy · reddit · 2026-08-14

A developer shared their experience building an AI Dungeon Master (DM) using DeepSeek. They noted that maintaining memory over long conversations is difficult with a single context window, and while multi-call task allocation solves this, OpenAI and Anthropic APIs are too expensive for practical use.

Leveraging the cost-effectiveness of Chinese models, they tested DeepSeek. The results showed no noticeable memory leaks or hallucinations over a 1,000+ turn campaign. Even with about three API calls per turn, the total cost for two weeks of gameplay was under $2.

Related event: Dev Builds Long-Memory AI Dungeon Master with DeepSeek(2 posts)→

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