{"event":{"id":"evt-hist-20260910-deepseek-v41-flash","dedupe_key":"model_api_release:2026-09-10:deepseek-releases-v4-1-flash-multimodal-model-api","event_type":"model_api_release","title":"DeepSeek releases V4.1 Flash multimodal model API","summary":"DeepSeek's dated September 10, 2026 changelog announces DeepSeek-V4.1-Flash release, with native multimodal support using the deepseek-flash API alias, replacing older V4 Flash variants. Vendor benchmark scores are self-reported and this milestone does not prove independent performance rankings or widespread adoption.","occurred_at":"2026-09-10T00:00:00.000Z","published_at":"2026-09-10T00:00:00.000Z","observed_at":"2026-10-17T17:20:00.000Z","reconstructed_at":"2026-10-17T17:20:00.000Z","ingest_type":"historical_backfill","locations":null,"status":"verified","confidence":0.94,"metadata":{"actor_claims_are_actor_claims":1,"canon_absence_not_globally_proven":1,"date_precision":"day","evidence_only":1,"external_postcutoff_id":"2026-09-10-deepseek-v4-1-flash","milestone":"model_api_release","no_world_or_snapshot_change":1},"created_at":"2026-10-17T19:25:24.999Z","updated_at":"2026-10-17T19:25:24.999Z"},"artifacts":[{"id":"art-hist-20260910-deepseek-v41-flash","dedupe_key":"468cd39233ce8e346367f41e00edcde64930725900084cc1f26a8b7a3defb58a","canonical_url":"https://api-docs.deepseek.com/updates/","evidence_locator":"","artifact_type":"original_first_party_publication","title":"DeepSeek releases V4.1 Flash multimodal model API","summary":"","creator_entities":[],"released_at":"2026-09-10T00:00:00.000Z","content_hash":null,"metadata":[],"created_at":"2026-10-17T19:25:24.998Z","updated_at":"2026-10-17T19:25:24.998Z","relation":"documented_by"}],"signals":[]}