Free LLM API Tiers: Running Three Models for $0/month

Part 2 of 4 — the stack. Part 1: every safety net failed silently · Part 3: publishing signals · Part 4: what it returned

Part 1 was about the safeguards in my portfolio monitoring tool and the six ways they silently stopped running. This one is the boring, useful half: what it actually runs on, why every component is a free LLM API or free tier, and which of those free tiers turned out to be load-bearing in a way I hadn’t thought about.

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