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Parameter descriptions:

Base Model Data
Are datasources for training the base model comprehensively documented and made available? In case a distinction between base (foundation) and end (user) model is not applicable, this mirrors the end model data entries.
End User Model Data
Are datasources for training the model that the end user interacts with comprehensively documented and made available?
Base Model Weights
Are the weights of the base models made freely available? In case a distinction between base (foundation) and end (user) model is not applicable, this mirrors the end model data entries.
End User Model Weights
Are the weights of the model that the end user interacts with made freely available?
Training Code
Is the source code of dataset processing, model training and tuning comprehensively made available?
Code Documentation
Is the source code of datasource processing, model training and tuning comprehensively documented?
Hardware Architecture
Is the hardware architecture used for datasource processing and model training comprehensively documented?
Preprint
Are archived preprint(s) are available that detail all major parts of the system including datasource processing, model training and tuning steps?
Paper
Are peer-reviewed scientific publications available that detail all major parts of the system including datasource processing, model training and tuning steps?
Modelcard
Is a model card available in standardized format that provides comprehensive insight on model architecture, training, fine-tuning, and evaluation?
Datasheet
Is a datasheet as defined in "Datasheets for Datasets" (Gebru et al. 2021) available?
Package
Is a packaged release of the model available on a software repository (e.g. a Python Package Index, Homebrew)?
API and Meta Prompts
Is an API available that provides unrestricted access to the model (other than security and CDN restrictions)? If applicable, this entry also collects information on the use and availability of meta prompts.
Licenses
Is the project fully covered by Open Source Initiative (OSI)-approved licenses, including all data sources and training pipeline code?

Apertus

by Swiss AI Initiative

Open-data open-weights models, multilingual in >1000 languages, developed at Swiss public universities.
Text
Full
https://huggingface.co/collections/swiss-ai/apertus-llm-68b699e65415c231ace3b059
Apertus-70B-2509
Apertus-70B-Instruct-2509
Apache-2.0
Swiss National AI Institute (non-profit research institute) collaboration with Swiss National Supercomputing Centre (CSCS).
https://swiss-ai.org
September 2025
Availability
Base Model Data
Training data for base model released and use documented.
https://huggingface.co/datasets/swiss-ai/fineweb-2-compliant-taghttps://huggingface.co/datasets/swiss-ai/fineweb-edu-compliant-taghttps://huggingface.co/datasets/swiss-ai/fineweb-compliant-tag
End User Model Data
Data for fine-tuning published in a well-organized manner.
https://huggingface.co/swiss-ai/datasets
Base Model Weights
Model weights available in many stages.
https://huggingface.co/swiss-ai/Apertus-70B-2509/tree/main
End User Model Weights
Model weights available in many stages.
https://huggingface.co/swiss-ai/Apertus-70B-Instruct-2509/tree/main
Training Code
Multiple repos with training, architecture and fine-tuning code available.
https://github.com/swiss-ai/
Documentation
Code Documentation
Repositories and code well-described, commented and documented.
https://github.com/swiss-ai/
Hardware Architecture
Architecture documented in requisite detail.
https://github.com/swiss-ai/apertus-tech-report
Preprint
No preprint version of the paper available yet.
Paper
No peer-reviewed version of the paper available yet.
Modelcard
Model card provides broad overview and links to full details.
https://huggingface.co/swiss-ai/Apertus-70B-2509/
Datasheet
Data sheets are well-documented and provide requisite info.
https://huggingface.co/datasets/swiss-ai/fineweb-compliant-taghttps://huggingface.co/datasets/swiss-ai/fineweb-2-compliant-taghttps://huggingface.co/datasets/swiss-ai/fineweb-edu-compliant-taghttps://huggingface.co/datasets/swiss-ai/robots-txt-blocked-domains-englishhttps://huggingface.co/datasets/swiss-ai/robots-txt-blocked-domains-multilingualhttps://huggingface.co/datasets/swiss-ai/fineweb-robots-txt-files-compressed
Access
Package
Model is not yet available on Ollama.
API and Meta Prompts
Available through Hugging Face, though not yet with a free endpoint or commercial provider.
Licenses
Apache 2.0, an OSI-approved license.
https://huggingface.co/swiss-ai/Apertus-70B-Instruct-2509/blob/main/LICENSE.txt
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