Truth Check/3 October 2026

“Kolibri is an English-German Mixture-of-Experts Transformer with 78B total parameters, 3B active. It supports context lengths of up to 1M tokens. The model can be downloaded with the full weights on Hugging Face and used under the Apache 2.0 license terms.”

The claim as it travelled: Aleph Alpha, 3 Oct 2026.

Aleph Alpha's release post states the parameters, the 1M context and the Apache 2.0 weights on Hugging Face; its table gives 78.1 billion and 3.46 billion active.

Checked Against

aleph-alpha.com ↗Primary

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Aleph Alpha releases Kolibri, a 78-billion-parameter open-weight German-English model under Apache 2.0, trained in Germany and Finland

Mixture-of-experts with about 3 billion parameters active per token and a context window of up to one million tokens, released on German Unity Day for public administration, industrials and aerospace. Every benchmark on the page is the company's own.

Every claim we have checked, in the Ledger.