AsOf

product · fact

DeepSeek-R1 release date

As of November 4, 2026, the AsOf record says DeepSeek-R1 was released on January 20, 2025, from a primary source (api-docs.deepseek.com); it also holds May 28, 2025 (as DeepSeek-R1-0528). The record holds 2 claims on DeepSeek-R1's release, 2 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

release date
DeepSeek-R12025-01-20 · 1 source
release date
DeepSeek-R1-05282025-05-28 · 1 source

Every dated value

2 claims · oldest first · superseded claims stay visible
valuevalid fromstatus
DeepSeek-R1
to present · conf 0.95 · 1 src for release date DeepSeek-R1
2025-01-20valid
DeepSeek-R1-0528
to present · conf 0.95 · 1 src for release date DeepSeek-R1-0528
2025-05-28valid

Questions this record answers

When was DeepSeek-R1 released?
On January 20, 2025, from a primary source (api-docs.deepseek.com) (status valid, confidence 0.95).

Answered from the rows above only, as of November 4, 2026. The record has no opinions.

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