{
  "id": 2325718,
  "title": "The Same Prompt Twice Is Double Quota: A Verifiable Cache for Free Model Endpoints",
  "url": "https://urgent.news/2026/08/21/the-same-prompt-twice-is-double-quota-a-verifiable-cache-for-free",
  "topic": "tech",
  "section": "Tech",
  "published": "2026-08-21T06:58:51.000Z",
  "source": {
    "name": "Dev.to",
    "slug": "dev-to",
    "url": "https://dev.to/hackrs_6393/the-same-prompt-twice-is-double-quota-a-verifiable-cache-for-free-model-endpoints-4jf7"
  },
  "original_language": "en",
  "account": null,
  "summary": "Free model endpoints bill quota per token. Send the same prompt twice, and you pay twice. Retries protect you from failures. They do not protect you from duplicates. A cache layer does. This tutorial builds one from zero. Every stage ends with a verification step. No frameworks. No dependencies. One Node.js file. The problem CI jobs repeat prompts. Tests re-run the same summarization. Previews…",
  "key_points": [],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 1,
    "also_reported_by": []
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}