Aleph Alpha · 3× · tolest 09. Okt. 2026
Kolibri is an Open Source Mixture-of-Experts language model for German and English released by Aleph Alpha on October 3, 2026, with 78.1 billion total parameters, of which approximately 3.46 billion (4.4%) are active per Token. The model supports a native context window of 262,144 Token (tested up to 1,048,576 Token), offers four Reasoning levels, and provides Tool-Calling. It is available for download under the Apache 2.0 license on Hugging Face. Specifically designed for sovereign, regulation-compliant deployments in government, industry, and aerospace, it was trained entirely in Germany and Finland and is text-only without multimodality. A hosted API price per Token has not yet been published; usage is primarily via Self-Hosting.
Features
| Key Benchmark (%) | GPQA Diamond (DE): 81.3%; Overall score English: 75.5%, German: 70.8% |
| Context Window (Tokens) | 1,048,576 tokens (native 262,144 tokens) |
| License | Apache 2.0 |
| Multimodality | No, text-only (no image, audio, or video support) |
| Platform | Open-weight download on Hugging Face; self-hosted via vLLM (aleph-alpha-inference plugin) |
| Price per 1M Tokens | No published API price; weights free under Apache 2.0, costs limited to self-hosted GPU infrastructure |
| Release Date | October 3, 2026 |