DeepSeek-R1 · model releaseDeepSeek-R1

Valid from

2025-01-20

Valid until

still holds

Published

no source on record carries a date

Recorded by AsOf

2026-11-04

Checked

2026-11-04 · its source page states the value and the date

Confidence

0.95

Sources

“Date: 2025-01-20 deepseek-reasoner deepseek-reasoner is our new model DeepSeek-R1.”— what the page says, read 2026-11-04

• https://api-docs.deepseek.com/updatesprimary · api-docs.deepseek.com

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