Nuclear startup Blykalla lands fresh funding from Sam Altman-backed rival

Jacob Stedman, Blykalla, Sam Altman and Jacob DeWitte, Oklo. Photo: press photos / TT.
29 sep. 2025
14:07
Jacob Stedman, Blykalla, Sam Altman and Jacob DeWitte, Oklo. Photo: press photos / TT.
Swedish small modular reactor (SMR) startup Blykalla has secured a $5m (€4.1m) investment from Sam Altman-backed Oklo.

Swedish mini-nuclear power company Blykalla, which is at the forefront in the field, has now signed a partnership agreement with Oklo – a US company that is also a potential competitor.

Oklo is also investing about $5m (€4.1m) in Blykalla's ongoing funding round, bringing the Swedish startup's total capital €32m, according to Dealroom data.

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