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Kolibri 1 by Aleph-Alpha

By Aleph-Alpha · 4138 downloads
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Kolibri 1 is an open-source language model by Aleph-Alpha. Features: 78.1b LLM, VRAM: 78.8GB, Context: 256K, License: apache-2.0.

  Arxiv:2512.11614   Arxiv:2601.17858 Base model:aleph-alpha/kolibri... Base model:quantized:aleph-alp...   Conversational   De   En   Eval-results   Fp8   Kolibri1   Moe   Reasoning   Region:us   Safetensors   Sharded   Tensorflow   Vllm
Model Card on HF 🤗: https://huggingface.co/Aleph-Alpha/Kolibri-1 

Kolibri 1 Parameters and Internals

LLM NameKolibri 1
Repository 🤗https://huggingface.co/Aleph-Alpha/Kolibri-1 
Base Model(s)  Kolibri 1 BF16   Aleph-Alpha/Kolibri-1-BF16
Model Size78.1b
Required VRAM78.8 GB
Updated2026-10-06
MaintainerAleph-Alpha
Model Typekolibri1
Model Files  3.2 GB: 1-of-32   2.5 GB: 2-of-32   2.5 GB: 3-of-32   2.5 GB: 4-of-32   2.5 GB: 5-of-32   2.5 GB: 6-of-32   2.5 GB: 7-of-32   2.5 GB: 8-of-32   2.5 GB: 9-of-32   2.5 GB: 10-of-32   2.5 GB: 11-of-32   2.5 GB: 12-of-32   2.5 GB: 13-of-32   2.5 GB: 14-of-32   2.5 GB: 15-of-32   2.5 GB: 16-of-32   2.5 GB: 17-of-32   2.5 GB: 18-of-32   2.5 GB: 19-of-32   2.5 GB: 20-of-32   2.5 GB: 21-of-32   2.5 GB: 22-of-32   2.5 GB: 23-of-32   2.5 GB: 24-of-32   2.5 GB: 25-of-32   2.5 GB: 26-of-32   2.5 GB: 27-of-32   2.5 GB: 28-of-32   2.5 GB: 29-of-32   2.5 GB: 30-of-32   2.5 GB: 31-of-32   0.6 GB: 32-of-32
Supported Languagesde en
Model ArchitectureKolibri1ForCausalLM
Licenseapache-2.0
Context Length262144
Model Max Length262144
Tokenizer ClassPreTrainedTokenizerFast
Padding Token<|endoftext|>
Vocabulary Size128000
Errorsreplace

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