Open alternatives to closed LLM APIs
This hub groups open-weight language models that people evaluate instead of a closed chat or completion API. It is an editorial grouping so model pages can satisfy internal linking, not a claim that any one model matches a named vendor’s quality.
- Kolibri-1 — Aleph Alpha German/English MoE reasoning model with tool calling and 1M context.
How we pick
- Official model card with a named developer.
- License recorded from the card.
- Parameter and context figures only when the card states them.
Comparison
| Name | License | Developer | Parameters | Type / modalities |
|---|---|---|---|---|
| Kolibri-1 | Apache-2.0 | Aleph Alpha | 78.1B | text |
The only seed model attached here is Kolibri-1 (Aleph Alpha, 78.1B total / 3.46B active MoE, 1M context, Apache-2.0, 908 likes, first listed 2026-10-02). Decision models such as Cloudflare Clef are grouped under classification / decision APIs instead of this list, because they are not free-text generators.
Listed options
Kolibri-1
Aleph Alpha German/English MoE reasoning model with tool calling and 1M context.
FAQ
Is Kolibri-1 a drop-in replacement for a closed API?
No. Kolibri-1 is an open MoE reasoning model from Aleph Alpha with tool calling and a 1M context window, licensed Apache-2.0. We have not published quality comparisons against unnamed closed APIs.
What languages does Kolibri-1 target?
German and English, according to the Hugging Face card checked on 2026-10-13.
Can I use it commercially?
The card lists Apache-2.0 as of 2026-10-13. That is not legal advice; read the license attached to the repository or card.
Other alternative lists in this category
Sources & verification
License notes are not legal advice. Read the original LICENSE. Trademark & disclaimer.