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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?

GPT OSS

by OpenAI

Open-weight, text-only language model by OpenAI.
Text
Latest
https://huggingface.co/openai/gpt-oss-120b
GPT-OSS-120B
GPT-OSS-120B
Apache 2.0
American AI research organisation founded in 2015.
https://openai.com
August 2025
Availability
Base Model Data
End User Model Data
Base Model Weights
Model weights available for download under Apache 2.0.
https://huggingface.co/openai/gpt-oss-120b/tree/main
End User Model Weights
Model weights available for download under Apache 2.0.
https://huggingface.co/openai/gpt-oss-120b/tree/main
Training Code
Documentation
Code Documentation
Hardware Architecture
https://cdn.openai.com/pdf/419b6906-9da6-406c-a19d-1bb078ac7637/oai_gpt-oss_model_card.pdf
Preprint
https://cdn.openai.com/pdf/419b6906-9da6-406c-a19d-1bb078ac7637/oai_gpt-oss_model_card.pdf
Paper
No peer-reviewed publication available at this time.
Modelcard
Detailed model card includes capabilities, benchmarks, architecture, and licensing.
https://openai.com/index/gpt-oss-model-card/
Datasheet
Access
Package
API and Meta Prompts
Avaialble through HuggingFace
https://huggingface.co/openai/gpt-oss-120b
Licenses
Apache 2.0 license for model weights only
https://huggingface.co/openai/gpt-oss-120b
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