{
  "family": "Gemma 3",
  "announcement_published_and_event_date": "2025-03-12",
  "read_date": "2026-11-04",
  "model_card_updated": "2025-08-14",
  "not_current_news": true,
  "March_announcement_sizes": [
    "1B",
    "4B",
    "12B",
    "27B"
  ],
  "later_card_includes_270M": true,
  "actual_runtime_model_id": null,
  "checkpoint_revision": null,
  "alias_immutability_verified": false,
  "rows": [
    {
      "id": "C1",
      "claim_summary": "128K context in family announcement",
      "announcement_date": "2025-03-12",
      "evidence_url": "https://ai.google.dev/gemma/docs/core/model_card_3",
      "evidence_updated": "2025-08-14",
      "scope": "4B/12B/27B 128K; 1B/270M 32K per model card",
      "proposed_test": "Pin actual variant and tokenizer, then check accepted input/output budget and truncation with synthetic numbered markers",
      "test_status": "not_run",
      "observed_result": null
    },
    {
      "id": "C2",
      "claim_summary": "Vision capability has a variant footnote",
      "announcement_date": "2025-03-12",
      "evidence_url": "https://blog.google/innovation-and-ai/technology/developers-tools/gemma-3/",
      "evidence_updated": null,
      "scope": "Announcement footnote: 4B,12B,27B support vision; not blanket support for every variant",
      "proposed_test": "Confirm exact runtime image-input contract and inspect a small authored image only on a supported variant",
      "test_status": "not_run",
      "observed_result": null
    },
    {
      "id": "C3",
      "claim_summary": "Function calling and structured output announced",
      "announcement_date": "2025-03-12",
      "evidence_url": "https://blog.google/innovation-and-ai/technology/developers-tools/gemma-3/",
      "evidence_updated": null,
      "scope": "Vendor capability statement; exact runtime protocol, schema subset and tool-execution authority remain untested here",
      "proposed_test": "Check one allowed synthetic schema, malformed output, unknown tool and no-execution boundary in selected runtime",
      "test_status": "not_run",
      "observed_result": null
    }
  ],
  "claims_manually_summarized": true,
  "model_executed": false
}