language:

• en license: apache-2.0 base_model: Locutusque/TinyMistral-248M datasets:
• HuggingFaceH4/ultrachat_200k
• Felladrin/ChatML-ultrachat_200k
• Open-Orca/OpenOrca
• Felladrin/ChatML-OpenOrca
• hkust-nlp/deita-10k-v0
• Felladrin/ChatML-deita-10k-v0
• LDJnr/Capybara
• Felladrin/ChatML-Capybara
• databricks/databricks-dolly-15k
• Felladrin/ChatML-databricks-dolly-15k
• euclaise/reddit-instruct-curated
• Felladrin/ChatML-reddit-instruct-curated
• CohereForAI/aya_dataset
• Felladrin/ChatML-aya_dataset
• HuggingFaceH4/ultrafeedback_binarized pipeline_tag: text-generation widget:
• messages:
  • role: system content: You are a highly knowledgeable and friendly assistant. Your goal is to understand and respond to user inquiries with clarity. Your interactions are always respectful, helpful, and focused on delivering the most accurate information to the user.
  • role: user content: Hey! Got a question for you!
  • role: assistant content: Sure! What's it?
  • role: user content: What are some potential applications for quantum computing?
• messages:
  • role: user content: Heya!
  • role: assistant content: Hi! How may I help you?
  • role: user content: I'm interested in developing a career in software engineering. What would you recommend me to do?
• messages:
  • role: user content: Morning!
  • role: assistant content: Good morning! How can I help you today?
  • role: user content: Could you give me some tips for becoming a healthier person?
• messages:
  • role: system content: You are a very creative assistant. User will give you a task, which you should complete with all your knowledge.
  • role: user content: Hello! Can you please elaborate a background story of an RPG game about wizards and dragons in a sci-fi world?

TinyMistral-248M-Chat

• Base model: Locutusque/TinyMistral-248M with two additional special tokens (<|im_start|> and <|im_end|>)
• Datasets:
  • [ChatML] HuggingFaceH4/ultrachat_200k
  • [ChatML] Open-Orca/OpenOrca
  • [ChatML] hkust-nlp/deita-10k-v0
  • [ChatML] LDJnr/Capybara
  • [ChatML] databricks/databricks-dolly-15k
  • [ChatML] euclaise/reddit-instruct-curated
  • [ChatML] CohereForAI/aya_dataset
  • HuggingFaceH4/ultrafeedback_binarized
• License: Apache License 2.0

Recommended Prompt Format

<|im_start|>system
{system_message}<|im_end|>
<|im_start|>user
{user_message}<|im_end|>
<|im_start|>assistant

Usage Example

from transformers import AutoModelForCausalLM, AutoTokenizer, TextStreamer
import torch

model_path = "Felladrin/TinyMistral-248M-Chat-v4"
device = torch.device("cuda" if torch.cuda.is_available() else "cpu")
tokenizer = AutoTokenizer.from_pretrained(model_path)
model = AutoModelForCausalLM.from_pretrained(model_path).to(device)
streamer = TextStreamer(tokenizer)
messages = [
    {
        "role": "system",
        "content": "You are a highly knowledgeable and friendly assistant. Your goal is to understand and respond to user inquiries with clarity. Your interactions are always respectful, helpful, and focused on delivering the most accurate information to the user.",
    },
    {
        "role": "user",
        "content": "Hey! Got a question for you!",
    },
    {
        "role": "assistant",
        "content": "Sure! What's it?",
    },
    {
        "role": "user",
        "content": "What are some potential applications for quantum computing?",
    },
]
prompt = tokenizer.apply_chat_template(
    messages, tokenize=False, add_generation_prompt=True
)
inputs = tokenizer(prompt, return_tensors="pt").to(device)
model.generate(
    inputs.input_ids,
    attention_mask=inputs.attention_mask,
    max_length=tokenizer.model_max_length,
    streamer=streamer,
    eos_token_id=tokenizer.eos_token_id,
    pad_token_id=tokenizer.pad_token_id,
    do_sample=True,
    temperature=0.6,
    top_p=0.8,
    top_k=0,
    min_p=0.1,
    typical_p=0.2,
    repetition_penalty=1.176,
)

How it was trained

This model was trained with SFTTrainer using the following settings:

Then, the model was fine-tuned with DPO through LLaMA-Factory using the following hyperparameters and command:

llamafactory-cli train \
    --stage dpo \
    --do_train True \
    --model_name_or_path ~/TinyMistral-248M-Chat \
    --preprocessing_num_workers $(python -c "import os; print(max(1, os.cpu_count() - 2))") \
    --dataloader_num_workers $(python -c "import os; print(max(1, os.cpu_count() - 2))") \
    --finetuning_type full \
    --flash_attn auto \
    --enable_liger_kernel True \
    --dataset_dir data \
    --dataset ultrafeedback \
    --cutoff_len 1024 \
    --learning_rate 1e-6 \
    --num_train_epochs 2.0 \
    --per_device_train_batch_size 4 \
    --gradient_accumulation_steps 4 \
    --lr_scheduler_type linear \
    --max_grad_norm 1.0 \
    --logging_steps 10 \
    --save_steps 50 \
    --save_total_limit 1 \
    --warmup_ratio 0.1 \
    --packing False \
    --report_to tensorboard \
    --output_dir ~/TinyMistral-248M-Chat-v4 \
    --pure_bf16 True \
    --plot_loss True \
    --trust_remote_code True \
    --ddp_timeout 180000000 \
    --include_tokens_per_second True \
    --include_num_input_tokens_seen True \
    --optim adamw_8bit \
    --pref_beta 0.5 \
    --pref_ftx 0 \
    --pref_loss simpo \
    --gradient_checkpointing True