# Samuel Weinbach

> Samuel Weinbach is co-founder and Co-Chief Research Officer of Aleph Alpha. Kolibri-1 on Anchor Terminal, with grades, an about and public profiles.

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- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Co-founder and Co-Chief Research Officer, Aleph Alpha.

Samuel Weinbach co-founded Aleph Alpha in 2019 with Jonas Andrulis and is its co-chief research officer. He spoke for the company at the Kolibri launch in October 2026, and under the agreed combination with Cohere he is to become Cohere's chief research officer. His research spans tokenisation, language model training and explainability.

## What Samuel builds

- [Kolibri-1](https://www.anchorterminal.com/tools/kolibri-1.md), graded C, 61/100, in Open-weight models. Kolibri-1 is Aleph Alpha's open-weight mixture-of-experts reasoning model for German and English, 78B parameters with 3.46B active per token, published on Hugging Face in FP8 and BF16 under Apache 2.0 and served with vLLM. Co-founder and Co-Chief Research Officer, Aleph Alpha, researched 2026-10-27.

## Works with

- [Jonas Andrulis](https://www.anchorterminal.com/people/jonas-andrulis/), Founder, Aleph Alpha

## Backed by

- [Innovation Park Artificial Intelligence (Ipai)](https://www.anchorterminal.com/investors/innovation-park-artificial-intelligence-ipai/)
- [Bosch Ventures](https://www.anchorterminal.com/investors/bosch-ventures/)
- [Schwarz Group](https://www.anchorterminal.com/investors/schwarz-group/)
- [Christ&Company Consulting](https://www.anchorterminal.com/investors/christ-company-consulting/)
- [Hewlett Packard Enterprise](https://www.anchorterminal.com/investors/hewlett-packard-enterprise/)
- [SAP](https://www.anchorterminal.com/investors/sap/)
- [Burda Principal Investments](https://www.anchorterminal.com/investors/burda-principal-investments/)

## Questions

### Who is Samuel Weinbach?

Samuel Weinbach co-founded Aleph Alpha in 2019 with Jonas Andrulis and is its co-chief research officer. He spoke for the company at the Kolibri launch in October 2026, and under the agreed combination with Cohere he is to become Cohere's chief research officer. His research spans tokenisation, language model training and explainability.

### What does Aleph Alpha make?

Anchor Terminal lists Kolibri-1 from Aleph Alpha. Kolibri-1 is Aleph Alpha's open-weight mixture-of-experts reasoning model for German and English, 78B parameters with 3.46B active per token, published on Hugging Face in FP8 and BF16 under Apache 2.0 and served with vLLM.

### Who has invested in Aleph Alpha?

The sources our research read name Innovation Park Artificial Intelligence (Ipai), Bosch Ventures, Schwarz Group, Christ&Company Consulting, Hewlett Packard Enterprise, SAP and Burda Principal Investments.

### How are Samuel's tools graded?

Kolibri-1 is graded C, 61 out of 100, on Anchor Terminal's benchmark, which scores every listing against the same checklist.

## Sources

- https://huggingface.co/Aleph-Alpha/Kolibri-1
- https://aleph-alpha.com/
- https://aleph-alpha.com/en/news/kolibri-sovereign-ai-made-in-germany/
- https://aleph-alpha.com/en/news/cohere-agreement-transatlantic-sovereign-ai/
- https://aleph-alpha.com/en/news/cohere-aleph-alpha-global-ai-powerhouse/
- https://aleph-alpha.com/en/news/leadership-team-expanded/
- https://aleph-alpha.com/en/news/half-billion-dollar-investment-round/
- https://aleph-alpha.com/en/news/reto-spoerri-leaves-ilhan-scheer-ceo/
- https://en.wikipedia.org/wiki/Aleph_Alpha

These are the people building the tools we list, named for their public role in the company or project behind a listing, from public pages, with the date it was researched. They don't work for Anchor Terminal (our own team is on the about page, /about/#author). We show public roles, public profiles and what the listing pages show, nothing private. To correct something, send an about or a photo, or have a page removed, write to privacy@anchorterminal.com.

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