Name: bitnet-b1.58-2B-4T
Creator: Microsoft
License: https://opensource.org/licenses/MIT

bitnet-b1.58-2B-4T is a large language model released by Microsoft, released under the MIT license, with a claimed knowledge cutoff of 2025-04-16. Its weights, configuration, and tokenizer files have been cryptographically hashed and are queued for on-chain attestation by Weight Registry.

Description

Microsoft's ternary (1.58-bit) weight-quantized LLM, a genuinely different weight representation rather than merely a smaller model.

Metadata

Type: LLM
Issuer: Microsoft
License: MIT
Size: 1.10 GB
Knowledge cutoff: 2025-04-16
Source: https://huggingface.co/microsoft/bitnet-b1.58-2B-4T
Revision: 04c3b9ad9361b824064a1f25ea60a8be9599b127

Hugging Face stats

21,350 downloads on Hugging Face · 1,496 likes · pipeline: text-generation · library: transformers

Weight Hashes

Weights file

model.safetensors · 1.10 GB

SHA-2568143ae115ed6babe5e5ada8fb8c5b769d8f417802b2db042ad98b4f7ed73975b

SHA3-2562936ff42e5512152a3448f09eb41d8ea8ae3d2ef2e5265815062a93a73a6de01

BLAKE31815a7bc0f580e1176a7d50efe8a8ccf93800801a43910ef8aff3dcd96555a0c

Config file

config.json · 844 B

SHA-2562b43e80788972e6d53967b01ac3609d7df23cf0aabb0c866e51be694a59c1149

SHA3-25649e79b34adc92434271921c72f23df6726d7689a12a79a066d9093e7203ab30d

BLAKE3f780212a72fe000a7ac03026ff5dfd025d53eb9c04207289332701162f780038

Tokenizer file

tokenizer.json · 8.66 MB

SHA-256e134af98b985517b4f068e3755ae90d4e9cd2d45d328325dc503f1c6b2d06cc7

SHA3-25611080ee71f218da79d3e18816eaa79048fdf26e70ef640af2cf200e63463b424

BLAKE3174e70b51765e4514178cbae91eb5e54975cfdf3946427a75b8cba4954de898e

Verify it yourself

curl -L -o "model.safetensors" "https://huggingface.co/microsoft/bitnet-b1.58-2B-4T/resolve/04c3b9ad9361b824064a1f25ea60a8be9599b127/model.safetensors"
sha256sum "model.safetensors"

Expected SHA-256: 8143ae115ed6babe5e5ada8fb8c5b769d8f417802b2db042ad98b4f7ed73975b

View source →

WEIGHT REGISTRY

bitnet-b1.58-2B-4T (2025)