maestrale-chat-v0.4-beta

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Maestrale chat beta ༄

By @efederici and @mferraretto

Model description

• Language Model: Mistral-7b for the Italian language, continued pre-training for Italian on a curated large-scale high-quality corpus, merged with occiglot.
• Fine-Tuning: SFT performed on 1.7M convs/instructions for 2 epochs.
• DPO: Aligned with DPO on multiple datasets.

v0.4

• Agent
• Improved truthfullness
• Improved Math & Reasoning capabilities
• Mermaid mindmaps
• More latin translations, poems, ...

This model uses ChatML prompt format:

<|im_start|>system
Sei un assistente utile.<|im_end|>
<|im_start|>user
{prompt}<|im_end|>
<|im_start|>assistant

Scores

Usage:

from transformers import (
    AutoTokenizer, 
    AutoModelForCausalLM, 
    GenerationConfig,
    TextStreamer
)
import torch

tokenizer = AutoTokenizer.from_pretrained("mii-llm/maestrale-chat-v0.4-beta")
model = AutoModelForCausalLM.from_pretrained("mii-llm/maestrale-chat-v0.4-beta", load_in_8bit=True, device_map="auto")

gen = GenerationConfig(
    do_sample=True,
    temperature=0.7,
    repetition_penalty=1.2,
    top_k=50,
    top_p=0.95,
    max_new_tokens=500,
    pad_token_id=tokenizer.eos_token_id,
    eos_token_id=tokenizer.convert_tokens_to_ids("<|im_end|>")
)

streamer = TextStreamer(tokenizer, skip_prompt=True)

messages = [
    {"role": "system", "content": "Sei un assistente utile."},
    {"role": "user", "content": "{prompt}"}
]

with torch.no_grad():
    temp = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
    inputs = tokenizer(temp, return_tensors="pt").to("cuda")

    _ = model.generate(
        **inputs,
        streamer=streamer,
        generation_config=gen
    )

Examples

Mindmaps

messages = [
  {"role": "system", "content": "Fornisci una mindmap Mermaid sull'argomento in input."},
  {"role": "user", "content": "Argomento: [argomento]"}
]

SQL

schema = "[db schema]"
messages = [
  {"role": "system", "content": f"Sei un assistente SQL e il tuo compito è convertire la domanda dell'utente in codice SQL valido rispetto allo schema del database fornito.\n\nSchema:\n```sql\n{schema}\n```"},
  {"role": "user", "content": "Conta il numero di X prodotti dall'azienda Y"}
]

Article from index

messages = [
  {"role": "system", "content": "Sei un assistente utile."},
  {"role": "user", "content": (
    "Scrivi un articolo a partire dal titolo e dall'indice dei contenuti.\n\n"
    "Titolo: [titolo]\n\n"
    "Indice:\n\n"
    "1. Introduzione\n"
    "2. [heading]\n"
    "..."
  )}
]

Intended uses & limitations

It's a beta version; it's quite safe, and it can refuse to answer to toxic questions.

<img src="https://raw.githubusercontent.com/OpenAccess-AI-Collective/axolotl/main/image/axolotl-badge-web.png" alt="Built with Axolotl" width="200" height="32"/>