{
  "schemaVersion": "eacp-pricing-registry/1",
  "updated": "2026-06-15",
  "currency": "USD",
  "note": "Authoritative offline price snapshot for EACP cost engine (ADR-0079). USD canonical; subscription hosts: marginal USD ~0 until quota wall. Price/model edits are ADR-gated; refresh commands only stamp the date.",
  "models": [
    {
      "provider": "anthropic",
      "canonicalId": "anthropic/claude-opus-4-8",
      "aliases": ["opus-4-8", "claude-opus-4-8", "opus"],
      "billingMode": "subscription",
      "input": 5,
      "output": 25,
      "reasoning": 25,
      "cacheRead": 0.5,
      "cacheWriteByTtl": { "ttl5m": 6.25, "ttl1h": 10 },
      "currency": "USD",
      "effectiveDate": "2026-06-01",
      "source": "anthropic-pricing-page (manual, verified)",
      "fetchedAt": "2026-06-15",
      "verifiedAt": "2026-06-15",
      "confidence": "direct",
      "deprecation": null,
      "contextWindow": 1000000,
      "capabilities": { "promptCaching": true, "vision": true, "tools": true }
    },
    {
      "provider": "anthropic",
      "canonicalId": "anthropic/claude-sonnet-4-6",
      "aliases": ["sonnet-4-6", "claude-sonnet-4-6", "sonnet"],
      "billingMode": "subscription",
      "input": 3,
      "output": 15,
      "reasoning": 15,
      "cacheRead": 0.3,
      "cacheWriteByTtl": { "ttl5m": 3.75, "ttl1h": 6 },
      "currency": "USD",
      "effectiveDate": "2026-06-01",
      "source": "anthropic-pricing-page (manual, verified)",
      "fetchedAt": "2026-06-15",
      "verifiedAt": "2026-06-15",
      "confidence": "direct",
      "deprecation": null,
      "contextWindow": 1000000,
      "capabilities": { "promptCaching": true, "vision": true, "tools": true }
    },
    {
      "provider": "anthropic",
      "canonicalId": "anthropic/claude-haiku-4-5",
      "aliases": ["haiku-4-5", "claude-haiku-4-5", "haiku"],
      "billingMode": "subscription",
      "input": 1,
      "output": 5,
      "reasoning": 5,
      "cacheRead": 0.1,
      "cacheWriteByTtl": { "ttl5m": 1.25, "ttl1h": 2 },
      "currency": "USD",
      "effectiveDate": "2026-06-01",
      "source": "anthropic-pricing-page (manual, verified)",
      "fetchedAt": "2026-06-15",
      "verifiedAt": "2026-06-15",
      "confidence": "direct",
      "deprecation": null,
      "contextWindow": 200000,
      "capabilities": { "promptCaching": true, "vision": true, "tools": true }
    },
    {
      "provider": "anthropic",
      "canonicalId": "anthropic/claude-fable-5",
      "aliases": ["fable-5", "claude-fable-5", "fable"],
      "billingMode": "subscription",
      "input": 10,
      "output": 50,
      "reasoning": 50,
      "cacheRead": 1.0,
      "cacheWriteByTtl": { "ttl5m": 12.5, "ttl1h": 20 },
      "currency": "USD",
      "effectiveDate": "2026-06-01",
      "source": "unverified — ~30% tokenizer inflation, pending audit #239",
      "fetchedAt": "2026-06-15",
      "verifiedAt": null,
      "confidence": "inferred",
      "deprecation": null,
      "contextWindow": 1000000,
      "capabilities": { "promptCaching": true, "vision": true, "tools": true }
    }
  ],
  "history": [
    {
      "model": "anthropic/claude-opus-4-8",
      "effectiveDate": "2025-01-01",
      "input": 15,
      "output": 75,
      "source": "anthropic-pricing-page (historical, pre-2026 opus-3 era pricing reference)"
    }
  ]
}