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Starchat Beta by HuggingFaceH4

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Starchat Beta is an open-source language model by HuggingFaceH4. Features: 15.5b LLM, VRAM: 31.2GB, License: bigcode-openrail-m, Code Generating, LLM Explorer Score: 0.13, Arc: 52.5, HellaSwag: 80.6, MMLU: 42.9, GSM8K: 5.2.

  Codegen   Endpoints compatible   Generated from trainer   Gpt bigcode   Pytorch   Region:us   Safetensors   Sharded   Tensorboard   Tensorflow
Model Card on HF 🤗: https://huggingface.co/HuggingFaceH4/starchat-beta 

Starchat Beta Benchmarks

ARC: 52.47 vs 96.7 (so35)-45.7%
HellaSwag: 80.59 vs 95.3 (gpt4)-15.4%
MMLU: 42.85 vs 88.3 (so35)-51.5%
GSM8K: 5.16 vs 96.4 (so35)-94.6%
LLME Score: 0.12562
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Starchat Beta (HuggingFaceH4/starchat-beta)
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Starchat Beta Parameters and Internals

Model Type 
GPT-like
Use Cases 
Limitations:
The model can produce problematic outputs (especially when prompted to do so)., The model can produce biased outputs due to a skewed demographic bias., The model can produce syntactically valid but semantically incorrect code.
Training Details 
Data Sources:
openassistant-guanaco (uncensored variant)
LLM NameStarchat Beta
Repository 🤗https://huggingface.co/HuggingFaceH4/starchat-beta 
Model Size15.5b
Required VRAM31.2 GB
Updated2026-05-10
MaintainerHuggingFaceH4
Model Typegpt_bigcode
Model Files  10.0 GB: 1-of-4   9.9 GB: 2-of-4   9.9 GB: 3-of-4   1.4 GB: 4-of-4   10.0 GB: 1-of-4   9.9 GB: 2-of-4   9.9 GB: 3-of-4   2.0 GB: 4-of-4   0.0 GB
Generates CodeYes
Model ArchitectureGPTBigCodeForCausalLM
Licensebigcode-openrail-m
Transformers Version4.28.1
Tokenizer ClassGPT2Tokenizer
Vocabulary Size49156
Torch Data Typebfloat16
Activation Functiongelu

Best Alternatives to Starchat Beta

Best Alternatives
Context / RAM
Downloads
Likes
Starchat Alpha0K / 31.2 GB1165231
...der15B Personal Copilot Merged0K / 30.9 GB61
Octocoder0K / 62.1 GB126770
Starcoderbase Triviaqa0K / 62.1 GB80
Note: green Score (e.g. "73.2") means that the model is better than HuggingFaceH4/starchat-beta.

Rank the Starchat Beta Capabilities

🆘 Have you tried this model? Rate its performance. This feedback would greatly assist ML community in identifying the most suitable model for their needs. Your contribution really does make a difference! 🌟

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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