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Zyphra

ZR1-1.5B

Zyphra/ZR1-1.5B
text generationLicense: mitHashes recordedsafetensors

Content controls: not assessed.

Model from Hugging Face for text generation: Zyphra/ZR1-1.5B · transformers

Qué incluye

9 hosted of 12 listed

Weights
Tokenizer & config
README, LICENSE & .gitattributes

Acerca de este modelo

External Hugging Face catalog record for Zyphra/ZR1-1.5B. Task: text generation. Library: transformers. Languages: en. Datasets referenced by card metadata: AI-MO/NuminaMath-CoT, codeparrot/apps, deepmind/code_contests, BAAI/TACO, MatrixStudio/Codeforces-Python-Submissions. Popularity signal at import: 1,976 downloads and 77 likes.

Datos básicos

Parameters
1.5B
Hosted here
9 hosted of 12 listed
Full repo upstream
7.12 GB
Languages
en
Format
safetensors
Downloads on Hugging Face
189
File hashes
Hashes recorded. Date not recorded.

Licencia y origen

License: mit

Check the license text and keep the required notices when you use or share the files.

Upstream source →

See the JSON record →

Task
text generation
Hosted here
at least 9 listed files; full count and size unknown
Full repo upstream
7.12 GB
Parameters
1.5B
Files
9 hosted of 12 listed
Added to Hugging Bay
Updated at source

FAQ

What is this model?

Zyphra/ZR1-1.5B is an open-weights language model for text generation published by Zyphra, added to Hugging Bay Jun 30, 2026. Model from Hugging Face for text generation: Zyphra/ZR1-1.5B · transformers

Can I use it commercially?

It is released under the mit license. Commercial use is allowed. Permissive open license: commercial use, modification, and redistribution are permitted.

How big is it?

Zyphra/ZR1-1.5B has 1.5B parameters. Hosted here: at least 9 listed files; full count and size unknown. Full repo upstream: 7.12 GB.

What can I download here?

Hosted here: at least 9 listed files; full count and size unknown. Full repo upstream: 7.12 GB. The original release is at https://huggingface.co/Zyphra/ZR1-1.5B.

File checks and computer fit
File pattern scans

Automated file-pattern scans flagged nothing; not a safety guarantee. 9 hosted files carry a published SHA-256 you can re-hash. The machine-readable verdict is at /api/artifacts/hf-model-zyphra-zr1-1-5b/safety on Hugging Bay.

Will Zyphra/ZR1-1.5B run on my computer?

We can’t check the fit; we don’t know your machine. We don’t have your machine’s specs, so no check ran and no verdict is shown. Answer two quick questions and we’ll estimate, from the memory you tell us, whether it fits your machine. Or skip it; you can still download; fit isn’t checked.

Other versions of this model

1 repack listed on Hugging Face that name this model as their base (from each publisher card). This does not mean the files match the original weights.

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