Model Accuracy versus Cost (Vega-Lite)

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  "title": "Evaluation frontier - accuracy against cost per 1,000 requests",
  "data": {
    "values": [
      {"model": "Small 8B", "family": "Open weights", "cost": 0.42, "accuracy": 0.71},
      {"model": "Small 8B + rerank", "family": "Open weights", "cost": 0.61, "accuracy": 0.78},
      {"model": "Fine-tuned 8B", "family": "Open weights", "cost": 0.55, "accuracy": 0.83},
      {"model": "Mid 70B", "family": "Open weights", "cost": 2.10, "accuracy": 0.86},
      {"model": "Frontier", "family": "Hosted", "cost": 9.40, "accuracy": 0.93},
      {"model": "Frontier mini", "family": "Hosted", "cost": 1.30, "accuracy": 0.85},
      {"model": "Router (mixed)", "family": "Hybrid", "cost": 1.05, "accuracy": 0.90}
    ]
  },
  "encoding": {
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    "y": {"field": "accuracy", "type": "quantitative", "title": "Exact-match accuracy", "scale": {"domain": [0.65, 1.0]}}
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