Ma7ee7/Meet25M-ChatML

Meet25M ChatML

ChatML fine-tuned version of Meet25M Base.

Model

• Base: Meet25M Base
• Approx size: ~25M parameters
• Context length: 1024
• Tokenizer: custom byte-level BPE with ChatML tokens
• Chat format: ChatML

ChatML Format

Use:

<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Your message here.<|im_end|>
<|im_start|>assistant

The model should generate the assistant response until <|im_end|>.

SFT Dataset

Fine-tuned on:

• OpenLeecher/lmsys_chat_1m_clean

Files

• model.safetensors — safetensors checkpoint
• config.json — model config
• tokenizer/ — tokenizer files
• safetensors_info.json — checkpoint metadata

Loading

This is not a standard Transformers AutoModelForCausalLM checkpoint.
Use the custom GPT class from the training/SFT script and load model.safetensors.