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NextCoder

🤗 Hugging Face   |    📑 Paper

Assets (this is temporary section and will be removed)

  • Only new synthetic dataset
  • Models and usage
  • Training reciepe

Model Usage

from transformers import AutoModelForCausalLM, AutoTokenizer

model_name = "Microsoft/NextCoder-7B"

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

prompt = """
Fix the following function that divides two numbers to handle all the edge cases:

def divide(a, b)
  returm a/b
"""
messages = [
    {"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=1024
)
generated_ids = [
    output_ids[len(input_ids):] for input_ids, output_ids in zip(model_inputs.input_ids, generated_ids)
]

response = tokenizer.batch_decode(generated_ids, skip_special_tokens=True)[0]

Evaluation and Performanc

Models HUMANEVALEDIT CANITEDIT AIDER POLYGLOT
QwenCoder-2.5-3B 73.2 37.1 36.8 -
QwenCoder-2.5-3B-LoRA 64.6 36.2 35.8 -
QwenCoder-2.5-3B-SFT 76.2 32.4 30.1 -
NextCoder-3B 75.6 42.4 37.6 -
QwenCoder-2.5-14B 87.8 58.1 66.9 9.3
QwenCoder-2.5-14B-LoRA 78.0 50.9 66.2 5.3
QwenCoder-2.5-14B-SFT 79.9 42.4 36.8 3.1
NextCoder-14B 89.8 60.2 72.2 12.2
QwenCoder-2.5-32B 90.2 61.0 72.9 16.4
QwenCoder-2.5-32B-LoRA 82.3 52.4 60.2 6.7
QwenCoder-2.5-32B-SFT 81.7 49.5 66.9 8.4
NextCoder-32B 88.9 62.4 74.7 21.9

Comparison of base QwenCoder-2.5 models of different sizes and their SELEKT-enhanced versions across three code editing benchmarks.

Contributing

This project welcomes contributions and suggestions. Most contributions require you to agree to a Contributor License Agreement (CLA) declaring that you have the right to, and actually do, grant us the rights to use your contribution. For details, visit https://cla.opensource.microsoft.com.

When you submit a pull request, a CLA bot will automatically determine whether you need to provide a CLA and decorate the PR appropriately (e.g., status check, comment). Simply follow the instructions provided by the bot. You will only need to do this once across all repos using our CLA.

This project has adopted the Microsoft Open Source Code of Conduct. For more information see the Code of Conduct FAQ or contact [email protected] with any additional questions or comments.

Trademarks

This project may contain trademarks or logos for projects, products, or services. Authorized use of Microsoft trademarks or logos is subject to and must follow Microsoft's Trademark & Brand Guidelines. Use of Microsoft trademarks or logos in modified versions of this project must not cause confusion or imply Microsoft sponsorship. Any use of third-party trademarks or logos are subject to those third-party's policies.

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NextCoder: Robust Adaptation of Code LMs to Diverse Code Edits (ICML'25)

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