# /// script # requires-python = ">=3.10,<3.14" # dependencies = [ # "accelerate", # "bitsandbytes>=0.43.0", # "datasets==4.3.0", # "hf_transfer", # "huggingface_hub>=0.34.0", # "marimo", # "peft", # "protobuf", # "sentencepiece", # "timm", # "tokenizers>=0.22.0,<=0.23.0", # "torchao>=0.16.0", # "torchcodec", # "transformers==5.5.0", # "triton>=3.2.0", # "trl", # "unsloth @ git+https://github.com/unslothai/unsloth", # "unsloth_zoo @ git+https://github.com/unslothai/unsloth-zoo", # ] # # [tool.uv] # no-build-package = [ # "bitsandbytes", # "triton", # "vllm", # "xformers", # ] # /// import marimo __generated_with = "0.23.8" app = marimo.App() @app.cell def _(): import marimo as mo return (mo,) @app.cell(hide_code=True) def _(mo): mo.md(r""" To run this notebook on a molab A100 instance, hit the **▶ Run all** button in the bottom-right corner - or use `Ctrl/Cmd + Shift + R`.

Join Discord if you need help + ⭐ Star us on Github ⭐

To install Unsloth on your local device, follow [our guide](https://unsloth.ai/docs/get-started/install). This notebook is licensed [LGPL-3.0](https://github.com/unslothai/notebooks?tab=LGPL-3.0-1-ov-file#readme). You will learn how to do [data prep](#Data), how to [train](#Train), how to [run the model](#Inference), & how to save it """) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### News """) return @app.cell(hide_code=True) def _(mo): mo.md(r""" Introducing **Unsloth Studio** - a new open source, no-code web UI to train and run LLMs. [Blog](https://unsloth.ai/docs/new/studio) • [Notebook](https://github.com/unslothai/unsloth/blob/main/studio/Unsloth_Studio_Colab.ipynb)

_{Train models — no code needed}

_{Run GGUF models on Mac, Windows & Linux}

Train MoEs - DeepSeek, GLM, Qwen and gpt-oss 12x faster with 35% less VRAM. [Blog](https://unsloth.ai/docs/new/faster-moe) Ultra Long-Context Reinforcement Learning is here with 7x more context windows! [Blog](https://unsloth.ai/docs/new/grpo-long-context) New in Reinforcement Learning: [FP8 RL](https://unsloth.ai/docs/new/fp8-reinforcement-learning) • [Vision RL](https://unsloth.ai/docs/new/vision-reinforcement-learning-vlm-rl) • [Standby](https://unsloth.ai/docs/basics/memory-efficient-rl) • [gpt-oss RL](https://unsloth.ai/docs/new/gpt-oss-reinforcement-learning) Visit our docs for all our [model uploads](https://unsloth.ai/docs/get-started/unsloth-model-catalog) and [notebooks](https://unsloth.ai/docs/get-started/unsloth-notebooks). """) return @app.cell def _(): # For Gemma 4 vision/audio return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Unsloth `FastModel` supports loading nearly any model now! This includes Vision and Text models! """) return @app.cell def _(): from unsloth import FastModel import torch gemma4_models = [ # Gemma-4 instruct models: "unsloth/gemma-4-E2B-it", "unsloth/gemma-4-E4B-it", "unsloth/gemma-4-31B-it", "unsloth/gemma-4-26B-A4B-it", # Gemma-4 base models: "unsloth/gemma-4-E2B", "unsloth/gemma-4-E4B", "unsloth/gemma-4-31B", "unsloth/gemma-4-26B-A4B", ] # More models at https://huggingface.co/unsloth model, tokenizer = FastModel.from_pretrained( model_name="unsloth/gemma-4-31B-it", # YOUR MODEL YOU USED FOR TRAINING dtype=None, # None for auto detection max_seq_length=8192, # Choose any for long context! load_in_4bit=True, # 4 bit quantization to reduce memory full_finetuning=False, # [NEW!] We have full finetuning now! # token = "YOUR_HF_TOKEN", # HF Token for gated models ) return FastModel, model, tokenizer, torch @app.cell(hide_code=True) def _(mo): mo.md(r""" # Gemma 4 can process Text, Vision and Audio! Let's first experience how Gemma 4 can handle multimodal inputs. We use Gemma 4's recommended settings of `temperature = 1.0, top_p = 0.95, top_k = 64` """) return @app.cell def _(model, tokenizer): from transformers import TextStreamer # Helper function for inference def do_gemma_4_inference(messages, max_new_tokens=128): _ = model.generate( **tokenizer.apply_chat_template( messages, add_generation_prompt=True, # Must add for generation tokenize=True, return_dict=True, return_tensors="pt", ).to("cuda"), max_new_tokens=max_new_tokens, # Increase for longer outputs! use_cache=True, temperature=1.0, top_p=0.95, top_k=64, streamer=TextStreamer(tokenizer, skip_prompt=True), ) return TextStreamer, do_gemma_4_inference @app.cell(hide_code=True) def _(mo): mo.md(r""" # Gemma 4 can see images! Alt text

""") return @app.cell def _(do_gemma_4_inference): sloth_link = "https://files.worldwildlife.org/wwfcmsprod/images/Sloth_Sitting_iStock_3_12_2014/story_full_width/8l7pbjmj29_iStock_000011145477Large_mini__1_.jpg" messages = [ { "role": "user", "content": [ {"type": "image", "image": sloth_link}, {"type": "text", "text": "Which films does this animal feature in?"}, ], } ] # You might have to wait 1 minute for Unsloth's auto compiler do_gemma_4_inference(messages, max_new_tokens=256) return @app.cell(hide_code=True) def _(mo): mo.md(r""" Let's make a poem about sloths! """) return @app.cell def _(do_gemma_4_inference): messages_1 = [ { "role": "user", "content": [{"type": "text", "text": "Write a poem about sloths."}], } ] do_gemma_4_inference(messages_1) return @app.cell(hide_code=True) def _(mo): mo.md(r""" # Let's finetune Gemma 4! You can finetune the vision and text parts for now through selection - the audio part can also be finetuned - we're working to make it selectable as well! """) return @app.cell(hide_code=True) def _(mo): mo.md(r""" We now add LoRA adapters so we only need to update a small amount of parameters! """) return @app.cell def _(FastModel, model): model_1 = FastModel.get_peft_model( model, finetune_vision_layers=False, # Turn off for just text! finetune_language_layers=True, # Should leave on! finetune_attention_modules=True, # Attention good for GRPO finetune_mlp_modules=True, # Should leave on always! r=8, # Larger = higher accuracy, but might overfit lora_alpha=8, # Recommended alpha == r at least lora_dropout=0, bias="none", random_state=3407, ) return (model_1,) @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Data Prep We now use the `Gemma-4` format for conversation style finetunes. We use [Maxime Labonne's FineTome-100k](https://huggingface.co/datasets/mlabonne/FineTome-100k) dataset in ShareGPT style. Gemma-4 renders multi turn conversations like below: ``` <|turn>user Hello <|turn>model Hey there! ``` We use our `get_chat_template` function to get the correct chat template. We support `zephyr, chatml, mistral, llama, alpaca, vicuna, vicuna_old, phi3, llama3, phi4, qwen2.5, gemma3, gemma-4` and more. """) return @app.cell def _(tokenizer): from unsloth.chat_templates import get_chat_template tokenizer_1 = get_chat_template(tokenizer, chat_template="gemma-4-thinking") return get_chat_template, tokenizer_1 @app.cell(hide_code=True) def _(mo): mo.md(r""" We get the first 3000 rows of the dataset """) return @app.cell def _(): from datasets import load_dataset dataset = load_dataset("mlabonne/FineTome-100k", split="train[:3000]") return (dataset,) @app.cell(hide_code=True) def _(mo): mo.md(r""" We now use `standardize_data_formats` to try converting datasets to the correct format for finetuning purposes! """) return @app.cell def _(dataset): from unsloth.chat_templates import standardize_data_formats dataset_1 = standardize_data_formats(dataset) return (dataset_1,) @app.cell(hide_code=True) def _(mo): mo.md(r""" Let's see how row 100 looks like! """) return @app.cell def _(dataset_1): dataset_1[100] return @app.cell(hide_code=True) def _(mo): mo.md(r""" We now have to apply the chat template for `Gemma-4` onto the conversations, and save it to `text`. We remove the `` token using removeprefix(`''`) since we're finetuning. The Processor will add this token before training and the model expects only one. """) return @app.cell def _(dataset_1, tokenizer_1): def formatting_prompts_func(examples): convos = examples["conversations"] texts = [ tokenizer_1.apply_chat_template( convo, tokenize=False, add_generation_prompt=False ).removeprefix("") for convo in convos ] return {"text": texts} dataset_2 = dataset_1.map(formatting_prompts_func, batched=True) return (dataset_2,) @app.cell(hide_code=True) def _(mo): mo.md(r""" Let's see how the chat template did! Notice there is no `` token as the processor tokenizer will be adding one. """) return @app.cell def _(dataset_2): dataset_2[100]["text"] return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Train the model Now let's train our model. We do 60 steps to speed things up, but you can set `num_train_epochs=1` for a full run, and turn off `max_steps=None`. """) return @app.cell def _(dataset_2, model_1, tokenizer_1): from trl import SFTTrainer, SFTConfig trainer = SFTTrainer( model=model_1, tokenizer=tokenizer_1, train_dataset=dataset_2, eval_dataset=None, # Can set up evaluation! args=SFTConfig( dataset_text_field="text", per_device_train_batch_size=1, gradient_accumulation_steps=4, # Use GA to mimic batch size! warmup_steps=5, max_steps=60, learning_rate=0.0002, # Reduce to 2e-5 for long training runs logging_steps=1, optim="adamw_8bit", weight_decay=0.001, lr_scheduler_type="linear", seed=3407, report_to="none", # Use TrackIO/WandB etc ), ) return (trainer,) @app.cell(hide_code=True) def _(mo): mo.md(r""" We also use Unsloth's `train_on_completions` method to only train on the assistant outputs and ignore the loss on the user's inputs. This helps increase accuracy of finetunes! """) return @app.cell def _(trainer): from unsloth.chat_templates import train_on_responses_only trainer_1 = train_on_responses_only( trainer, instruction_part="<|turn>user\n", response_part="<|turn>model\n" ) return (trainer_1,) @app.cell(hide_code=True) def _(mo): mo.md(r""" Let's verify masking the instruction part is done! Let's print the 100th row again. Notice how the sample only has a single `` as expected! """) return @app.cell def _(tokenizer_1, trainer_1): tokenizer_1.decode(trainer_1.train_dataset[100]["input_ids"]) return @app.cell(hide_code=True) def _(mo): mo.md(r""" Now let's print the masked out example - you should see only the answer is present: """) return @app.cell def _(tokenizer_1, trainer_1): tokenizer_1.decode( [ tokenizer_1.pad_token_id if x == -100 else x for x in trainer_1.train_dataset[100]["labels"] ] ).replace(tokenizer_1.pad_token, " ") return @app.cell def _(torch): # @title Show current memory stats gpu_stats = torch.cuda.get_device_properties(0) start_gpu_memory = round(torch.cuda.max_memory_reserved() / 1024 / 1024 / 1024, 3) max_memory = round(gpu_stats.total_memory / 1024 / 1024 / 1024, 3) print(f"GPU = {gpu_stats.name}. Max memory = {max_memory} GB.") print(f"{start_gpu_memory} GB of memory reserved.") return max_memory, start_gpu_memory @app.cell(hide_code=True) def _(mo): mo.md(r""" # Let's train the model! To resume a training run, set `trainer.train(resume_from_checkpoint = True)` """) return @app.cell def _(trainer_1): trainer_stats = trainer_1.train() return (trainer_stats,) @app.cell def _(max_memory, start_gpu_memory, torch, trainer_stats): # @title Show final memory and time stats used_memory = round(torch.cuda.max_memory_reserved() / 1024 / 1024 / 1024, 3) used_memory_for_lora = round(used_memory - start_gpu_memory, 3) used_percentage = round(used_memory / max_memory * 100, 3) lora_percentage = round(used_memory_for_lora / max_memory * 100, 3) print(f"{trainer_stats.metrics['train_runtime']} seconds used for training.") print( f"{round(trainer_stats.metrics['train_runtime'] / 60, 2)} minutes used for training." ) print(f"Peak reserved memory = {used_memory} GB.") print(f"Peak reserved memory for training = {used_memory_for_lora} GB.") print(f"Peak reserved memory % of max memory = {used_percentage} %.") print(f"Peak reserved memory for training % of max memory = {lora_percentage} %.") return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Inference Let's run the model via Unsloth native inference! According to the `Gemma-4` team, the recommended settings for inference are `temperature = 1.0, top_p = 0.95, top_k = 64` """) return @app.cell def _(get_chat_template, model_1, tokenizer_1): tokenizer_2 = get_chat_template(tokenizer_1, chat_template="gemma-4-thinking") messages_2 = [ { "role": "user", "content": [ {"type": "text", "text": "Continue the sequence: 1, 1, 2, 3, 5, 8,"} ], } ] inputs = tokenizer_2.apply_chat_template( messages_2, add_generation_prompt=True, # Must add for generation return_tensors="pt", tokenize=True, return_dict=True, ).to("cuda") outputs = model_1.generate( **inputs, max_new_tokens=64, # Increase for longer outputs! use_cache=True, temperature=1.0, top_p=0.95, top_k=64, ) tokenizer_2.batch_decode( outputs ) return (tokenizer_2,) @app.cell(hide_code=True) def _(mo): mo.md(r""" You can also use a `TextStreamer` for continuous inference - so you can see the generation token by token, instead of waiting the whole time! """) return @app.cell def _(TextStreamer, model_1, tokenizer_2): messages_3 = [ {"role": "user", "content": [{"type": "text", "text": "Why is the sky blue?"}]} ] inputs_1 = tokenizer_2.apply_chat_template( messages_3, add_generation_prompt=True, # Must add for generation return_tensors="pt", tokenize=True, return_dict=True, ).to("cuda") _ = model_1.generate( **inputs_1, max_new_tokens=64, # Increase for longer outputs! use_cache=True, temperature=1.0, top_p=0.95, top_k=64, streamer=TextStreamer(tokenizer_2, skip_prompt=True), ) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Saving, loading finetuned models To save the final model as LoRA adapters, either use Hugging Face's `push_to_hub` for an online save or `save_pretrained` for a local save. **[NOTE]** This ONLY saves the LoRA adapters, and not the full model. To save to 16bit or GGUF, scroll down! """) return @app.cell def _(model_1, tokenizer_2): model_1.save_pretrained("gemma_4_lora") tokenizer_2.save_pretrained("gemma_4_lora") return @app.cell(hide_code=True) def _(mo): mo.md(r""" Now if you want to load the LoRA adapters we just saved for inference, set `False` to `True`: """) return @app.cell def _(TextStreamer, model_1, tokenizer_2): if False: from unsloth import FastModel as _FastModel _model, _tokenizer = _FastModel.from_pretrained( model_name="gemma_4_lora", max_seq_length=2048, load_in_4bit=True # YOUR MODEL YOU USED FOR TRAINING ) messages_4 = [ {"role": "user", "content": [{"type": "text", "text": "What is Gemma-4?"}]} ] inputs_2 = tokenizer_2.apply_chat_template( messages_4, add_generation_prompt=True, # Must add for generation return_tensors="pt", tokenize=True, return_dict=True, ).to("cuda") _ = model_1.generate( **inputs_2, max_new_tokens=128, # Increase for longer outputs! use_cache=True, temperature=1.0, top_p=0.95, top_k=64, streamer=TextStreamer(tokenizer_2, skip_prompt=True), ) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### Saving to float16 for VLLM We also support saving to `float16` directly for deployment! We save it in the folder `gemma-4-finetune`. Set `if False` to `if True` to let it run! """) return @app.cell def _(model_1, tokenizer_2): if False: # Change to True to save finetune! model_1.save_pretrained_merged("gemma-4-finetune", tokenizer_2) return @app.cell(hide_code=True) def _(mo): mo.md(r""" If you want to upload / push to your Hugging Face account, set `if False` to `if True` and add your Hugging Face token and upload location! """) return @app.cell def _(model_1, tokenizer_2): if False: # Change to True to upload finetune model_1.push_to_hub_merged( "HF_ACCOUNT/gemma-4-finetune", tokenizer_2, token="YOUR_HF_TOKEN" ) return @app.cell(hide_code=True) def _(mo): mo.md(r""" ### GGUF / llama.cpp Conversion To save to `GGUF` / `llama.cpp`, we support it natively now for all models! For now, you can convert easily to `Q8_0, F16 or BF16` precision. `Q4_K_M` for 4bit will come later! """) return @app.cell def _(model_1, tokenizer_2): if False: # Change to True to save to GGUF model_1.save_pretrained_gguf( "gemma_4_finetune", tokenizer_2, quantization_method="Q8_0" ) # For now only Q8_0, BF16, F16 supported return @app.cell(hide_code=True) def _(mo): mo.md(r""" Likewise, if you want to instead push to GGUF to your Hugging Face account, set `if False` to `if True` and add your Hugging Face token and upload location! """) return @app.cell def _(model_1, tokenizer_2): if False: # Change to True to upload GGUF model_1.push_to_hub_gguf( "HF_ACCOUNT/gemma_4_finetune", tokenizer_2, quantization_method="Q8_0", # For now only Q8_0, BF16, F16 supported token="YOUR_HF_TOKEN", ) # Only Q8_0, BF16, F16 supported return @app.cell(hide_code=True) def _(mo): mo.md(r""" Now, use the `gemma-4-finetune.gguf` file or `gemma-4-finetune-Q4_K_M.gguf` file in llama.cpp. And we're done! If you have any questions on Unsloth, we have a [Discord](https://discord.gg/unsloth) channel! If you find any bugs or want to keep updated with the latest LLM stuff, or need help, join projects etc, feel free to join our Discord! Some other resources: 1. Train your own reasoning model - Llama GRPO notebook [Open in molab](https://github.com/unslothai/notebooks/blob/main/nb/Llama3.1_(8B)-GRPO.ipynb) 2. Saving finetunes to Ollama. [Free notebook](https://github.com/unslothai/notebooks/blob/main/nb/Llama3_(8B)-Ollama.ipynb) 3. Llama 3.2 Vision finetuning - Radiography use case. [Open in molab](https://github.com/unslothai/notebooks/blob/main/nb/Llama3.2_(11B)-Vision.ipynb) 4. See notebooks for DPO, ORPO, Continued pretraining, conversational finetuning and more on our [documentation](https://unsloth.ai/docs/get-started/unsloth-notebooks)!

Join Discord if you need help + ⭐️ Star us on Github ⭐️

This notebook and all Unsloth notebooks are licensed [LGPL-3.0](https://github.com/unslothai/notebooks?tab=LGPL-3.0-1-ov-file#readme). """) return if __name__ == "__main__": app.run()