{
  "models": [
    {
      "id": "model_fable-5",
      "model_id": "claude-fable-5",
      "display_name": "Claude Fable 5",
      "family": "fable",
      "status": "ga",
      "thinking_mode": "adaptive_always_on",
      "supports_prefill": false,
      "used_by": "crates/schema/src/agent.rs AgentModel::Fable5. Upgraded engineering-coworker onto this model 2026-07-01 — the one generated agent that executes real deploys/git pushes/D1 writes on the developer's Mac. Also used as primary builder of subagentcode.com and as an advisor reviewing subagentprompts.com pre-deploy (Sonnet-main/Fable-5-advisor pairing per code.claude.com/docs/en/advisor.md).",
      "ga_date": "2026-06-09",
      "notes": "Export-control-restricted 2026-06-12 -> 2026-06-30; access broadly restored 2026-07-01 (verified live via anthropic.com/news/redeploying-fable-5, not assumed). Adaptive-thinking-only (no manual thinking.budget_tokens); takes an effort param (low/medium/high/xhigh/max). Prefill NOT supported.",
      "source_doc": "crates/schema/src/agent.rs; CLAUDE.md Pinned tooling",
      "created_at": "2026-07-01 22:08:10"
    },
    {
      "id": "model_haiku-4-5",
      "model_id": "claude-haiku-4-5-20251001",
      "display_name": "Claude Haiku 4.5",
      "family": "haiku",
      "status": "ga",
      "thinking_mode": "effort_param",
      "supports_prefill": true,
      "used_by": "crates/schema/src/agent.rs AgentModel::Haiku45 — \"fastest and cheapest; good for well-scoped mechanical tasks\". Was engineering-coworker's model before its 2026-07-01 Fable 5 upgrade.",
      "ga_date": null,
      "notes": null,
      "source_doc": "crates/schema/src/agent.rs",
      "created_at": "2026-07-01 22:08:10"
    },
    {
      "id": "model_mythos-5",
      "model_id": "claude-mythos-5",
      "display_name": "Claude Mythos 5",
      "family": "mythos",
      "status": "invitation_only",
      "thinking_mode": "adaptive_always_on",
      "supports_prefill": false,
      "used_by": "Investigated 2026-07-01 (per CLAUDE.md subagentcode.com rationale) and correctly NOT used anywhere in this repo.",
      "ga_date": "2026-06-09",
      "notes": "Project-Glasswing-only: invitation-only cyberdefense/bio access. Same underlying model family as Fable 5 per one mirrored doc reference. Prefill NOT supported.",
      "source_doc": "CLAUDE.md, subagentcode.com build rationale",
      "created_at": "2026-07-01 22:08:10"
    },
    {
      "id": "model_opus-4-8",
      "model_id": "claude-opus-4-8",
      "display_name": "Claude Opus 4.8",
      "family": "opus",
      "status": "ga",
      "thinking_mode": "effort_param",
      "supports_prefill": false,
      "used_by": "crates/schema/src/agent.rs AgentModel::Opus48 — \"best for complex multi-step reasoning; highest cost\"",
      "ga_date": null,
      "notes": "No temperature/top_p/top_k params on Sonnet 5-generation models per CLAUDE.md.",
      "source_doc": "crates/schema/src/agent.rs",
      "created_at": "2026-07-01 22:08:10"
    },
    {
      "id": "model_sonnet-4-6",
      "model_id": "claude-sonnet-4-6",
      "display_name": "Claude Sonnet 4.6",
      "family": "sonnet",
      "status": "ga",
      "thinking_mode": "effort_param",
      "supports_prefill": true,
      "used_by": "crates/schema/src/agent.rs AgentModel::Sonnet46 — doc-comment still reads \"balanced speed + intelligence; recommended default for most agents\", but zero of the 10 generated agents run on it since the 2026-07-09 sonnet-5 promotion (design-coworker + a2a-bridge moved to claude-sonnet-5; 7 run on Haiku).",
      "ga_date": null,
      "notes": null,
      "source_doc": "crates/schema/src/agent.rs",
      "created_at": "2026-07-01 22:08:10"
    },
    {
      "id": "model_sonnet-5",
      "model_id": "claude-sonnet-5",
      "display_name": "Claude Sonnet 5",
      "family": "sonnet",
      "status": "ga",
      "thinking_mode": "effort_param",
      "supports_prefill": false,
      "used_by": "Session main model AND AgentModel::Sonnet5 (promoted 2026-07-09 by operator routing directive — default for routine subagent work; a2a-bridge + design-coworker run on it)",
      "ga_date": null,
      "notes": "No temperature/top_p/top_k params. Explicit guidance against cliched color schemes (particularly purple gradients) — followed by picking --teal/--slate accents for subagentdevices.com/subagentdomains.com.",
      "source_doc": "crates/schema/src/agent.rs; CLAUDE.md Pinned tooling",
      "created_at": "2026-07-01 22:08:10"
    }
  ]
}