{
  "id": "anthropic:anthropic claude sonnet 4:40814",
  "language": "sv",
  "url": "https://alexgetman.com/sv/signals/2026/09/21/claude-sonnet-4/",
  "title": "Claude Sonnet 4 har upptäckts på OpenRouter",
  "summary": "Claude Sonnet 4 från Anthropic registrerades första gången den 2026-09-21. Lanseringsdatumet är inte fastställt. 6 källänkar.",
  "kind": "codename",
  "publication": {
    "listed": true,
    "kind": "sighting",
    "placement": "news",
    "event": "sighting"
  },
  "presentation": {
    "primary_change": "name",
    "featured_facts": []
  },
  "observation": null,
  "lifecycle": [],
  "release_scope": null,
  "review": null,
  "vendor": "Anthropic",
  "confidence": "confirmed",
  "first_seen_at": "2026-09-21T16:06:18.831Z",
  "model_first_seen_at": "2026-09-21T16:06:18.831Z",
  "canonical_model_id": "anthropic/claude-sonnet-4",
  "model_identity": {
    "id": "anthropic/claude-sonnet-4",
    "name": "Claude Sonnet 4",
    "maker": {
      "id": "anthropic",
      "name": "Anthropic"
    },
    "version": "4",
    "checkpoint": null,
    "first_seen_at": "2026-09-21T16:06:18.831Z"
  },
  "offers": [],
  "dates": [],
  "released_at": null,
  "updated_at": "2026-11-14T18:15:07.820Z",
  "model": {
    "id": "anthropic/claude-sonnet-4",
    "name": "Claude Sonnet 4",
    "url": "https://alexgetman.com/sv/models/anthropic/claude-sonnet-4-445/"
  },
  "facts": {
    "context_window": null,
    "max_output_tokens": null,
    "input_modalities": [],
    "output_modalities": [],
    "open_weights": null,
    "usd_per_million": {
      "input": null,
      "output": null,
      "cached_input": null
    },
    "prices": {
      "currency": "USD",
      "unit": "per_million_tokens",
      "input": null,
      "output": null,
      "cached_input": null
    },
    "observed_at": "2026-11-04T01:57:14.311Z",
    "output_kind": "unknown",
    "provenance": {
      "display_name": {
        "key": "displayName",
        "observed_at": "2026-11-04T01:57:14.311Z",
        "story_updated_at": "2026-11-14T18:15:07.820Z",
        "evidence": [
          {
            "source": "anthropic-pricing",
            "url": "https://platform.claude.com/docs/en/about-claude/pricing",
            "authority": "first_party",
            "scope": {
              "kind": "model",
              "id": "anthropic/claude-sonnet-4"
            },
            "detected_at": "2026-11-04T01:57:14.311Z",
            "checked_at": "2026-11-04T01:57:14.311Z"
          }
        ]
      },
      "provider": {
        "key": "provider",
        "observed_at": "2026-11-04T01:57:14.311Z",
        "story_updated_at": "2026-11-14T18:15:07.820Z",
        "evidence": [
          {
            "source": "anthropic-pricing",
            "url": "https://platform.claude.com/docs/en/about-claude/pricing",
            "authority": "first_party",
            "scope": {
              "kind": "model",
              "id": "anthropic/claude-sonnet-4"
            },
            "detected_at": "2026-11-04T01:57:14.311Z",
            "checked_at": "2026-11-04T01:57:14.311Z"
          }
        ]
      }
    }
  },
  "forge_facts": [
    {
      "key": "displayName",
      "value": "Claude Sonnet 4",
      "observed_at": "2026-11-04T01:57:14.311Z"
    },
    {
      "key": "listedInProviderCatalogue:discovery:opencode-data",
      "value": true,
      "observed_at": "2026-11-12T16:01:23.736Z"
    },
    {
      "key": "provider",
      "value": "Anthropic",
      "observed_at": "2026-11-04T01:57:14.311Z"
    },
    {
      "key": "modelReleaseDate",
      "value": "2025-05-22T12:00:00.000Z",
      "observed_at": "2026-11-14T18:15:07.820Z"
    },
    {
      "key": "canonicalModelId",
      "value": "anthropic/claude-sonnet-4",
      "observed_at": "2026-11-14T18:15:07.820Z"
    },
    {
      "key": "canonicalModelName",
      "value": "Claude Sonnet 4",
      "observed_at": "2026-11-14T18:15:07.820Z"
    },
    {
      "key": "modelFirstSeenAt",
      "value": "2026-09-21T16:06:18.831Z",
      "observed_at": "2026-11-14T18:15:07.820Z"
    }
  ],
  "sources": [
    {
      "url": "https://openrouter.ai/anthropic/claude-sonnet-4",
      "outlet": "OpenRouter"
    },
    {
      "url": "https://opencode.ai/data/anthropic/claude-sonnet-4-0",
      "outlet": "OpenCode · discovery"
    },
    {
      "url": "https://models.dev/#claude-sonnet-4",
      "outlet": "models.dev · catalogue"
    },
    {
      "url": "https://models.dev/#databricks-claude-sonnet-4",
      "outlet": "models.dev · catalogue"
    },
    {
      "url": "https://platform.claude.com/docs/en/about-claude/pricing",
      "outlet": "Anthropic · API pricing"
    },
    {
      "url": "https://www.anthropic.com/news/claude-4",
      "outlet": "Arena · leaderboards"
    }
  ],
  "evidence": {
    "links": 6,
    "distinct_hosts": 5
  }
}