Bitnet B1.58 Bifrost Sol 2B 4T is an open-source language model by Bifrost-AI. Features: 2b LLM, VRAM: 4.8GB, Context: 4K, License: mit, LLM Explorer Score: 0.19.
Arxiv:2504.12285 Base model:microsoft/bitnet-b1... Base model:quantized:microsoft... Bitnet Chat Code Conversational Custom code Dataset:bifrost-ai/solana-bloc... En Endpoints compatible Finance Region:us Safetensors
Model Card on HF 🤗: https://huggingface.co/Bifrost-AI/Bitnet-b1.58-bifrost-sol-2B-4T
Bitnet B1.58 Bifrost Sol 2B 4T Benchmarks
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
What is the LLM Explorer Rank (Score)
Bitnet B1.58 Bifrost Sol 2B 4T Parameters and Internals
| LLM Name | Bitnet B1.58 Bifrost Sol 2B 4T |
| Repository 🤗 | https://huggingface.co/Bifrost-AI/Bitnet-b1.58-bifrost-sol-2B-4T |
| Base Model(s) | |
| Model Size | 2b |
| Required VRAM | 4.8 GB |
| Updated | 2026-04-15 |
| Maintainer | Bifrost-AI |
| Model Type | bitnet |
| Model Files | |
| Supported Languages | en |
| Model Architecture | BitNetForCausalLM |
| License | mit |
| Context Length | 4096 |
| Model Max Length | 4096 |
| Transformers Version | 4.52.0.dev0 |
| Tokenizer Class | PreTrainedTokenizer |
| Vocabulary Size | 128256 |
| Torch Data Type | bfloat16 |
Best Alternatives to Bitnet B1.58 Bifrost Sol 2B 4T
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| Bitnet B1.58 2B 4T | 4K / 1.2 GB | 15227 | 1449 |
| Bitnet B1.58 2B 4T Bf16 | 4K / 4.8 GB | 16522 | 41 |
| Bitnet DPO Merged Modelstock2 | 4K / 4.9 GB | 12 | 0 |
| Bitnet DPO Merged Ties2 | 4K / 4.9 GB | 5 | 0 |
| Bitnet DPO Merged Ties | 4K / 4.8 GB | 2 | 1 |
Note: green Score (e.g. "73.2") means that the model is better than Bifrost-AI/Bitnet-b1.58-bifrost-sol-2B-4T .
Rank the Bitnet B1.58 Bifrost Sol 2B 4T Capabilities
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a