Alias observations over time · deepseek-v4-flash
Current documented target: deepseek-flash · Target version: DeepSeek-V4.1-Flash-1017
RETIRED_MODEL_LEGACY_ROUTE_STILL_ACCEPTED
Documentation checked: 2026-10-23T20:08:17.113847+00:00
Complete declarations and historical observations
{
"alias": "deepseek-v4-flash",
"author": "DeepSeek",
"autoMergeAllowed": false,
"currentObservation": {
"checkedAt": [
"2026-10-23T20:08:17.113847+00:00"
],
"isIdentityEquivalence": false,
"sourceIds": [
"availability:deepseek-intro"
],
"status": "RETIRED_MODEL_LEGACY_ROUTE_STILL_ACCEPTED",
"targetModelId": "deepseek-flash",
"targetVersion": "DeepSeek-V4.1-Flash-1017"
},
"key": "DeepSeek::deepseek-v4-flash",
"lifecycleNotices": [
{
"author": "DeepSeek",
"availability": "RETIRED_WITH_COMPATIBILITY_REDIRECT",
"availabilityScope": "DeepSeek official API",
"backendTested": false,
"deprecationAnnouncedOn": null,
"documentationReadAt": "2026-10-23T20:08:17.113847+00:00",
"documentedAliases": [],
"endpointDisposition": "CONTINUES_ACCEPTING_REQUESTS_REDIRECTED",
"evidenceKeys": [
"deepseek-updates",
"deepseek-intro"
],
"newUserAccessDateStatus": "NOT_ESTABLISHED_BY_REVIEWED_DOCUMENTATION",
"newUserAccessStopsOn": null,
"note": "原厂当前首页确认旧名仍接受并由 V4.1-Flash-1017 服务；不等同原模型仍在售。",
"officialId": "deepseek-v4-flash",
"qualificationEffect": "DOCUMENTATION_ONLY_NO_AUTOMATIC_PRICE_OR_RANKING_CHANGE",
"recommendedReplacements": [
"deepseek-flash"
],
"retiredBy": "2026-09-10",
"retirementDate": null,
"retirementDateBasis": "9/10 announcement states predecessors have retired; exact retirement date/time not established.",
"routeTarget": "deepseek-flash",
"servedModelVersion": "DeepSeek-V4.1-Flash-1017",
"sourceIds": [
"availability:deepseek-updates",
"availability:deepseek-intro"
],
"sourceUrls": [
"https://api-docs.deepseek.com/updates/",
"https://api-docs.deepseek.com/"
],
"verifiedOn": "2026-10-23"
}
],
"observations": [
{
"baselineVerifiedOn": "2026-10-19",
"checkedAt": [
"2026-10-19T02:23:01.035345+00:00"
],
"sourceIds": [
"4i:deepseek-pricing"
],
"status": "old_model_retired_requests_rerouted",
"targetModelId": "deepseek-flash",
"targetVersion": "DeepSeek-V4.1-Flash-1017"
},
{
"checkedAt": [
"2026-10-23T20:08:17.113847+00:00"
],
"isIdentityEquivalence": false,
"sourceIds": [
"availability:deepseek-intro"
],
"status": "RETIRED_MODEL_LEGACY_ROUTE_STILL_ACCEPTED",
"targetModelId": "deepseek-flash",
"targetVersion": "DeepSeek-V4.1-Flash-1017"
}
],
"recommendedReplacementObservations": [],
"relationship": "accepted_legacy_route",
"runtimeBackendVerified": false
}