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  "costEstimateNote": "Astra NMR costs are estimates based on relative API costs in scientific computing and forward reactions, scaled to Hydrogen-1.0’s NMR cost.",
  "pricingSources": [
    {
      "label": "Z.ai pricing",
      "url": "https://docs.z.ai/guides/overview/pricing"
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    {
      "label": "OpenAI pricing",
      "url": "https://developers.openai.com/api/docs/models/gpt-6-astra"
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}