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Oklo Inc.

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EXHIBIT 21.1
Subsidiaries of Oklo Inc. as of December 31, 2025
SubsidiaryJurisdiction
Abundantia Isotopes LLCDelaware
Atomic Alchemy Inc.Delaware
Oklo Power INL LLCDelaware
Oklo Power LLCDelaware
Oklo Power SODI LLCDelaware
Oklo Recycling TN LLCDelaware
Oklo Technologies, Inc.Delaware
VIPR Groves LLCDelaware

* Pursuant to Item 601(b)(21)(ii) of Regulation S-K, the names of other subsidiaries of Oklo Inc. are omitted because, considered in the aggregate as a single subsidiary, they would not constitute a significant subsidiary as of the end of the year covered by this Annual Report on Form 10-K.