Aleph Alpha releases Kolibri 1 weights for German and English
Aleph Alpha announced Kolibri 1 on October 5; the model card dates availability to October 3. This MoE reasoning model provides Apache 2.0 weights, with 78.1B total and 3.46B active parameters, explicit reasoning mode and tool calling.
Access at announcement
Weights are available under Apache 2.0. Local deployment requires suitable compute; announcement and initial availability dates differ.
Original sources
Kolibri: Sovereign AI made in GermanyAleph Alpha · Articlealeph-alpha.com · 2026-10-05Sources for this release2 sources
Related release · Aleph Alpha releases Kolibri 1 weights for German and English
Related release · Aleph Alpha releases Kolibri 1 weights for German and English
Collection scope
Release links and snapshots containing the exact model are included here. Family background is counted separately.
Model family catalog1
Current models
Official catalogKolibri 1Available1.049M ContextOpen weights
- Released
- 2026-10-03
- Availability
- Available
- Input
- Text
- Output
- Text
- Context
- 1,048,576 tokens
- Parameters
- 78.10307456B / 3.45757312B active
- Deployment / access
- Open weights · Local
- Weights
- Open weights
- License
- Apache 2.0
- Capabilities
- Reasoning · Tool use · Multilingual
Available since October 3; the company announcement is October 5. The card recommends no more than 262,144 tokens for serving efficiency and complex tasks, despite validation up to 1,048,576.