claude-sonnet-4-5-20250929
- 原厂声明状态
- CURRENT_PENDING_RETIREMENT
- 弃用日期（不等于停服）
- 2026-09-30
- 新用户截止日期
- 未明确
- 模型停服日期
- 2026-11-30
- 推荐迁移选择（不作为别名）
- claude-sonnet-5-5
- 原文核对时间
- 2026-10-23T20:09:18.282395+00:00
以退役页列出的带日期 API ID 为准；社区简称只用于覆盖说明，本交件不更改身份映射。
完整原始声明与历史观察
{
"author": "Anthropic",
"availability": "CURRENT_PENDING_RETIREMENT",
"availabilityScope": "Anthropic official API",
"backendTested": false,
"communityNames": [
"claude-sonnet-4-5"
],
"deprecationAnnouncedOn": "2026-09-30",
"documentationReadAt": "2026-10-23T20:09:18.282395+00:00",
"documentedAliases": [],
"endpointDisposition": "FUTURE_SHUTDOWN_ANNOUNCED",
"evidenceKeys": [
"anthropic-deprecations",
"anthropic-versioning"
],
"newUserAccessDateStatus": "NOT_ESTABLISHED_BY_REVIEWED_DOCUMENTATION",
"newUserAccessStopsOn": null,
"note": "以退役页列出的带日期 API ID 为准；社区简称只用于覆盖说明，本交件不更改身份映射。",
"officialId": "claude-sonnet-4-5-20250929",
"qualificationEffect": "DOCUMENTATION_ONLY_NO_AUTOMATIC_PRICE_OR_RANKING_CHANGE",
"recommendedReplacements": [
"claude-sonnet-5-5"
],
"retirementDate": "2026-11-30",
"sourceUrls": [
"https://platform.claude.com/docs/en/about-claude/model-deprecations",
"https://platform.claude.com/docs/en/about-claude/models/model-ids-and-versions"
],
"verifiedOn": "2026-10-23"
}