Diff Codegen 350M V2 by CarperAI

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Diff Codegen 350M V2 is an open-source language model by CarperAI. Features: 350m LLM, VRAM: 0.8GB, License: mit, Code Generating, LLM Explorer Score: 0.06.

  Arxiv:2101.00027   Arxiv:2201.07311   Arxiv:2203.13474   Autotrain compatible   Code   Code-generation   Codegen   Diff model   En   Endpoints compatible   Pytorch   Region:us   The pile

Diff Codegen 350M V2 Benchmarks

nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Diff Codegen 350M V2 (CarperAI/diff-codegen-350m-v2)
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Diff Codegen 350M V2 Parameters and Internals

Model Type 
pytorch, causal-lm, code-generation
Use Cases 
Areas:
Research, Experimental Use
Applications:
Prototyping Code Generation Systems
Limitations:
Underrepresentation of programming languages with fewer than 100 stars, Short context length
Considerations:
Outputs should not be trusted as correct and secure. Use in a sandboxed environment.
Additional Notes 
This is an experimental research artifact and should be treated as such.
Training Details 
Data Sources:
The Pile, GitHub commits from BigQuery Public Dataset
Data Volume:
1.08 billion tokens
Methodology:
Fine-tuning technique used
Context Length:
2048
Hardware Used:
64 A100 GPUs
LLM NameDiff Codegen 350M V2
Repository ๐Ÿค—https://huggingface.co/CarperAI/diff-codegen-350m-v2 
Model Size350m
Required VRAM0.8 GB
Updated2025-11-02
MaintainerCarperAI
Model Typecodegen
Model Files  0.8 GB
Supported Languagesen code
Generates CodeYes
Model ArchitectureCodeGenForCausalLM
Licensemit
Model Max Length2048
Transformers Version4.22.0.dev0
Tokenizer ClassGPT2Tokenizer
Vocabulary Size50295
Torch Data Typefloat16
Activation Functiongelu_new

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Note: green Score (e.g. "73.2") means that the model is better than CarperAI/diff-codegen-350m-v2.

Rank the Diff Codegen 350M V2 Capabilities

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Instruction Following and Task Automation  
Factuality and Completeness of Knowledge  
Censorship and Alignment  
Data Analysis and Insight Generation  
Text Generation  
Text Summarization and Feature Extraction  
Code Generation  
Multi-Language Support and Translation  

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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a