Nemotron H 4B Instruct 128K is an open-source language model by nvidia. Features: 4b LLM, VRAM: 9GB, Context: 128K, License: other, Instruction-Based.
Arxiv:2504.11409 Base model:finetune:nvidia/nem... Base model:nvidia/nemotron-h-4... Conversational En Endpoints compatible Ext 8k Instruct Nvidia Pytorch Region:us Safetensors Sharded Tensorflow
Model Card on HF 🤗: https://huggingface.co/nvidia/Nemotron-H-4B-Instruct-128K
Nemotron H 4B Instruct 128K Parameters and Internals
| LLM Name | Nemotron H 4B Instruct 128K |
| Repository 🤗 | https://huggingface.co/nvidia/Nemotron-H-4B-Instruct-128K |
| Base Model(s) | |
| Model Size | 4b |
| Required VRAM | 9 GB |
| Updated | 2026-03-27 |
| Maintainer | nvidia |
| Model Type | nemotron_h |
| Instruction-Based | Yes |
| Model Files | |
| Supported Languages | en |
| Context Length | 8k |
| Model Architecture | NemotronHForCausalLM |
| License | other |
| Context Length | 131072 |
| Model Max Length | 131072 |
| Transformers Version | 4.45.1 |
| Tokenizer Class | PreTrainedTokenizerFast |
| Vocabulary Size | 131072 |
| Torch Data Type | bfloat16 |
Best Alternatives to Nemotron H 4B Instruct 128K
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| NVIDIA Nemotron 3 Nano 4B FP8 | 256K / 5.3 GB | 7804 | 13 |
| NVIDIA Nemotron 3 Nano 4B BF16 | 256K / 7.9 GB | 426 | 2 |
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260327b