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granite-4.0-1b-unsloth-bnb-4bit

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ibm-granite/granite-4.0-1b

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Unsloth Dynamic 2.0 achieves superior accuracy & outperforms other leading quants.

Granite-4.0-1B

Model Summary: Granite-4.0-1B is a lightweight instruct model finetuned from Granite-4.0-1B-Base using a combination of open source instruction datasets with permissive license and internally collected synthetic datasets. This model is developed using a diverse set of techniques including supervised finetuning, reinforcement learning, and model merging.

Developers: Granite Team, IBM
HF Collection: Granite 4.0 Nano Language Models HF Collection
GitHub Repository: ibm-granite/granite-4.0-nano-language-models
Website: Granite Docs
Release Date: October 28, 2025
License: Apache 2.0

Supported Languages: English, German, Spanish, French, Japanese, Portuguese, Arabic, Czech, Italian, Korean, Dutch, and Chinese. Users may fine-tune Granite 4.0 Nano models to support languages beyond those included in this list.

Intended use: Granite 4.0 Nano instruct models feature strong instruction following capabilities bringing advanced AI capabilities within reach for on-device deployments and research use cases. Additionally, their compact size makes them well-suited for fine-tuning on specialized domains without requiring massive compute resources.

Capabilities

Summarization
Text classification
Text extraction
Question-answering
Retrieval Augmented Generation (RAG)
Code related tasks
Function-calling tasks
Multilingual dialog use cases
Fill-In-the-Middle (FIM) code completions

Generation: This is a simple example of how to use Granite-4.0-1B model.

Install the following libraries:

shell

pip install torch torchvision torchaudio
pip install accelerate
pip install transformers

Then, copy the snippet from the section that is relevant for your use case.

python

import torch
from transformers import AutoModelForCausalLM, AutoTokenizer

device = "cuda"
model_path = "ibm-granite/granite-4.0-1b"
tokenizer = AutoTokenizer.from_pretrained(model_path)
# drop device_map if running on CPU
model = AutoModelForCausalLM.from_pretrained(model_path, device_map=device)
model.eval()
# change input text as desired
chat = [
    { "role": "user", "content": "Please list one IBM Research laboratory located in the United States. You should only output its name and location." },
]
chat = tokenizer.apply_chat_template(chat, tokenize=False, add_generation_prompt=True)
# tokenize the text
input_tokens = tokenizer(chat, return_tensors="pt").to(device)
# generate output tokens
output = model.generate(**input_tokens, 
                        max_new_tokens=100)
# decode output tokens into text
output = tokenizer.batch_decode(output)
# print output
print(output[0])

Expected output:

shell

<|start_of_role|>user<|end_of_role|>Please list one IBM Research laboratory located in the United States. You should only output its name and location.<|end_of_text|>
<|start_of_role|>assistant<|end_of_role|>Almaden Research Center, San Jose, California<|end_of_text|>

Tool-calling: Granite-4.0-1B comes with enhanced tool calling capabilities, enabling seamless integration with external functions and APIs. To define a list of tools please follow OpenAI's function definition schema.

This is an example of how to use Granite-4.0-1B model tool-calling ability:

python

import torch
from transformers import AutoModelForCausalLM, AutoTokenizer

device = "cuda"
model_path = "ibm-granite/granite-4.0-1b"
tokenizer = AutoTokenizer.from_pretrained(model_path)
# drop device_map if running on CPU
model = AutoModelForCausalLM.from_pretrained(model_path, device_map=device)
model.eval()

tools = [
    {
        "type": "function",
        "function": {
            "name": "get_current_weather",
            "description": "Get the current weather for a specified city.",
            "parameters": {
                "type": "object",
                "properties": {
                    "city": {
                        "type": "string",
                        "description": "Name of the city"
                    }
                },
                "required": ["city"]
            }
        }
    }
]

# change input text as desired
chat = [
    { "role": "user", "content": "What's the weather like in Boston right now?" },
]
chat = tokenizer.apply_chat_template(chat, \
                                     tokenize=False, \
                                     tools=tools, \
                                     add_generation_prompt=True)
# tokenize the text
input_tokens = tokenizer(chat, return_tensors="pt").to(device)
# generate output tokens
output = model.generate(**input_tokens, 
                        max_new_tokens=100)
# decode output tokens into text
output = tokenizer.batch_decode(output)
# print output
print(output[0])

Expected output:

shell

<|start_of_role|>system<|end_of_role|>You are a helpful assistant with access to the following tools. You may call one or more tools to assist with the user query.

You are provided with function signatures within <tools></tools> XML tags:
- <tools>
- unsloth
{"type": "function", "function": {"name": "get_current_weather", "description": "Get the current weather for a specified city.", "parameters": {"type": "object", "properties": {"city": {"type": "string", "description": "Name of the city"}}, "required": ["city"]}}}
</tools>

For each tool call, return a json object with function name and arguments within <tool_call></tool_call> XML tags:
- <tool_call>
- unsloth
{"name": <function-name>, "arguments": <args-json-object>}
</tool_call>. If a tool does not exist in the provided list of tools, notify the user that you do not have the ability to fulfill the request.<|end_of_text|>
<|start_of_role|>user<|end_of_role|>What's the weather like in Boston right now?<|end_of_text|>
<|start_of_role|>assistant<|end_of_role|><tool_call>
{"name": "get_current_weather", "arguments": {"city": "Boston"}}
</tool_call><|end_of_text|>

Evaluation Results:

Benchmarks	Metric	350M Dense	H 350M Dense	1B Dense	H 1B Dense
General Tasks
MMLU	5-shot	35.01	36.21	59.39	59.74
MMLU-Pro	5-shot, CoT	12.13	14.38	34.02	32.86
BBH	3-shot, CoT	33.07	33.28	60.37	59.68
AGI EVAL	0-shot, CoT	26.22	29.61	49.22	52.44
GPQA	0-shot, CoT	24.11	26.12	29.91	29.69
Alignment Tasks
IFEval	Instruct, Strict	61.63	67.63	80.82	82.37
IFEval	Prompt, Strict	49.17	55.64	73.94	74.68
IFEval	Average	55.4	61.63	77.38	78.53
Math Tasks
GSM8K	8-shot	30.71	39.27	76.35	69.83
GSM Symbolic	8-shot	26.76	33.7	72.3	65.72
Minerva Math	0-shot, CoT	13.04	5.76	45.28	49.4
DeepMind Math	0-shot, CoT	8.45	6.2	34	34.98
Code Tasks
HumanEval	pass@1	39	38	74	73
HumanEval+	pass@1	37	35	69	68
MBPP	pass@1	48	49	65	69
MBPP+	pass@1	38	44	57	60
CRUXEval-O	pass@1	23.75	25.5	33.13	36
BigCodeBench	pass@1	11.14	11.23	30.18	29.12
Tool Calling Tasks
BFCL v3		39.32	43.32	54.82	50.21
Multilingual Tasks
MULTIPLE	pass@1	15.99	14.31	32.24	36.11
MMMLU	5-shot	28.23	27.95	45	49.43
INCLUDE	5-shot	27.74	27.09	42.12	43.35
MGSM	8-shot	14.72	16.16	37.84	27.52
Safety
SALAD-Bench		97.12	96.55	93.44	96.4
AttaQ		82.53	81.76	85.26	82.85

**Multilingual Benchmarks and thr included languages:**
Benchmarks	# Langs	Languages
MMMLU	11	ar, de, en, es, fr, ja, ko, pt, zh, bn, hi
INCLUDE	14	hi, bn, ta, te, ar, de, es, fr, it, ja, ko, nl, pt, zh
MGSM	5	en, es, fr, ja, zh

Model Architecture:

Granite-4.0-1B baseline is based on a decoder-only dense transformer architecture. Core components of this architecture are: GQA, MLP with SwiGLU, RMSNorm, and shared input/output embeddings.

Model	350M Dense	H 350M Dense	1B Dense	H 1B Dense
Embedding size	1024	768	2048	1536
Number of layers	28 attention	4 attention / 28 Mamba2	40 attention	4 attention / 36 Mamba2
Attention head size	64	64	128	128
Number of attention heads	16	12	16	12
Number of KV heads	4	4	4	4
Mamba2 state size	-	128	-	128
Number of Mamba2 heads	-	48	-	48
MLP / Shared expert hidden size	2048	2048	4096	4096
Num. Experts	-	-	-	-
Num. active Experts	-	-	-	-
Expert hidden size	-	-	-	-
MLP activation	SwiGLU	SwiGLU	SwiGLU	SwiGLU
Sequence length	32K	32K	128K	128K
Position embedding	RoPE	NoPE	RoPE	NoPE
# Parameters	350M	340M	1.6B	1.5B
# Active parameters	350M	340M	1.6B	1.5B

Training Data: Overall, our SFT data is largely comprised of three key sources: (1) publicly available datasets with permissive license, (2) internal synthetic data targeting specific capabilities, and (3) a select set of human-curated data.

Infrastructure: We trained the Granite 4.0 Nano Language Models utilizing an NVIDIA GB200 NVL72 cluster hosted in CoreWeave. Intra-rack communication occurs via the 72-GPU NVLink domain, and a non-blocking, full Fat-Tree NDR 400 Gb/s InfiniBand network provides inter-rack communication. This cluster provides a scalable and efficient infrastructure for training our models over thousands of GPUs.

Ethical Considerations and Limitations: Granite 4.0 Nano Instruct Models are primarily finetuned using instruction-response pairs mostly in English, but also multilingual data covering multiple languages. Although this model can handle multilingual dialog use cases, its performance might not be similar to English tasks. In such case, introducing a small number of examples (few-shot) can help the model in generating more accurate outputs. While this model has been aligned by keeping safety in consideration, the model may in some cases produce inaccurate, biased, or unsafe responses to user prompts. So we urge the community to use this model with proper safety testing and tuning tailored for their specific tasks.

Resources

⭐️ Learn about the latest updates with Granite: https://www.ibm.com/granite
📄 Get started with tutorials, best practices, and prompt engineering advice: https://www.ibm.com/granite/docs/
💡 Learn about the latest Granite learning resources: https://ibm.biz/granite-learning-resources

unsloth/granite-4.0-1b-unsloth-bnb-4bit

Granite-4.0-1B

unsloth/
granite-4.0-1b-unsloth-bnb-4bit