ZeroXClem/Qwen2.5-7B-CelestialHarmony-1M

ZeroXClem/Qwen2.5-7B-CelestialHarmony-1M is a custom merged language model based on Qwen2.5-7B with enhanced reasoning, roleplaying, and long-context capabilities. This model supports up to 1 million token context lengths, making it ideal for ultra-long text processing, deep reasoning tasks, and immersive roleplay interactions.

Quants are availble in GGUF format, provided by mradermacher.

1. GGUF
2. imatrix GGUF

🔧 Model Details

• Base Model: Qwen/Qwen2.5-7B-Instruct-1M
• Models Used in Merge:
  • Qwen/Qwen2.5-7B-Instruct-1M
  • bunnycore/Qwen2.5-7B-RRP-1M
  • Triangle104/Q2.5-Instruct-1M_Harmony
  • Sakalti/SJT-7B-1M
  • huihui-ai/Qwen2.5-7B-Instruct-1M-abliterated
• Merge Method: MODEL_STOCK (Optimized layer-wise weight averaging)

📖 Overview

Qwen2.5-7B-CelestialHarmony-1M enhances the Qwen2.5-7B series with a fine-tuned balance of roleplaying dynamics, structured reasoning, and long-context memory. The model is particularly well-suited for:

• Roleplaying 🧝‍♂️: Immersive character-based storytelling with deep contextual awareness.
• Reasoning & Thought Processing 🧠: Capable of structured logical thinking, especially when prompted with <think> tags.
• Ultra-Long Context Handling 📜: Efficient processing of sequences up to 1,010,000 tokens using optimized sparse attention.

⚙️ Technical Specifications

🔬 Merging Details

This model was merged using the Model Stock method, which optimally averages weights from multiple fine-tuned models to create a more efficient, balanced, and performant model.

Merge YAML Configuration

base_model: Qwen/Qwen2.5-7B-Instruct-1M
dtype: bfloat16
merge_method: model_stock
models:
  - model: Qwen/Qwen2.5-7B-Instruct-1M
  - model: Triangle104/Q2.5-Instruct-1M_Harmony
  - model: Sakalti/SJT-7B-1M
  - model: bunnycore/Qwen2.5-7B-RRP-1M
  - model: huihui-ai/Qwen2.5-7B-Instruct-1M-abliterated
tokenizer_source: Qwen/Qwen2.5-7B-Instruct-1M

🚀 Quickstart

Install Required Packages

Ensure you have the latest transformers library installed:

pip install transformers torch accelerate

Load and Use the Model

from transformers import AutoModelForCausalLM, AutoTokenizer

model_name = "ZeroXClem/Qwen2.5-7B-CelestialHarmony-1M"

model = AutoModelForCausalLM.from_pretrained(
    model_name,
    torch_dtype="auto",
    device_map="auto"
)
tokenizer = AutoTokenizer.from_pretrained(model_name)

prompt = "Tell me a short story about an ancient celestial warrior."
messages = [
    {"role": "system", "content": "You are a wise celestial storyteller."},
    {"role": "user", "content": prompt}
]
text = tokenizer.apply_chat_template(messages, tokenize=False, add_generation_prompt=True)
model_inputs = tokenizer([text], return_tensors="pt").to(model.device)

generated_ids = model.generate(**model_inputs, max_new_tokens=512)
response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]

print(response)

⚡ Optimized Deployment with vLLM

For long-context inference, use vLLM:

git clone -b dev/dual-chunk-attn git@github.com:QwenLM/vllm.git
cd vllm
pip install -e . -v

Run the model:

vllm serve ZeroXClem/Qwen2.5-7B-CelestialHarmony-1M \
  --tensor-parallel-size 4 \
  --max-model-len 1010000 \
  --enable-chunked-prefill --max-num-batched-tokens 131072 \
  --enforce-eager \
  --max-num-seqs 1

🎯 Model Capabilities

✅ Roleplay & Storytelling – Designed for engaging interactions.
✅ Long-Context Awareness – Handles texts up to 1M tokens.
✅ Logical Thinking & Reasoning – Supports <think> tag to enhance thought structuring.
✅ Optimized Merge Strategy – Uses Model Stock for superior generalization.

📜 Acknowledgments

This model is built on top of Qwen2.5-7B, with contributions from bunnycore, Triangle104, and Sakalti, leveraging the Model Stock merging methodology.

For further details, see:

• 📄 Qwen2.5-7B Technical Report
• 📖 MergeKit Documentation
• 🚀 vLLM for Long-Context Inference

Open LLM Leaderboard Evaluation Results

Detailed results can be found here