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grep -l @gpt-4o mini /news/*.json | wc -l → 2

@GPT-4o mini

mentions 2 type Person feed RSS
07:50
2026-05-20
dev.to
artificial-intelligence

I Spent $50 on LLM API Calls. Then Optimized to $0.

The author reduced their OpenAI API bill from $50 to $0 by optimizing prompts, switching to cheaper models like Claude Haiku and Gemini 1.5 Flash for simple tasks, and implementing a semantic cache to…

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