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Stablelm 2 12B by stabilityai

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  Arxiv:1607.06450   Arxiv:1910.02054   Arxiv:2101.00027   Arxiv:2104.09864   Arxiv:2204.06745   Arxiv:2206.11147   Arxiv:2302.05442   Arxiv:2305.06161   Arxiv:2305.14201   Arxiv:2309.09400   Arxiv:2309.14322   Arxiv:2402.17834   Autotrain compatible   Dataset:bigcode/starcoderdata   Dataset:carperai/pilev2-dev Dataset:dataprovenanceinitiati... Dataset:tiiuae/falcon-refinedw... Dataset:togethercomputer/redpa...   Dataset:uonlp/culturax   De   En   Endpoints compatible   Es   Fr   It   Nl   Pt   Region:us   Safetensors   Sharded   Stablelm   Tensorflow
Model Card on HF 🤗: https://huggingface.co/stabilityai/stablelm-2-12b 

Stablelm 2 12B Benchmarks

MMLU Pro: 23.02
GPQA: 3.8
MUSR: 14.49
BBH: 22.69
IFEval: 15.69 vs 88 (so35)-82.2%
ARC: 58.45 vs 96.7 (so35)-39.6%
HellaSwag: 84.33 vs 95.3 (gpt4)-11.5%
MMLU: 62.04 vs 88.3 (so35)-29.7%
TruthfulQA: 42.16 vs 59 (gpt4)-28.5%
WinoGrande: 77.9 vs 87.5 (gpt4)-11%
GSM8K: 56.03 vs 96.4 (so35)-41.9%
MATH Lvl 5: 4.31
LLME Score: 0.2148
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
Stablelm 2 12B (stabilityai/stablelm-2-12b)
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Stablelm 2 12B Parameters and Internals

Model Type 
causal-lm
Use Cases 
Areas:
research, commercial applications
Limitations:
unreliable outputs, unsafe behaviors, offensive content
Considerations:
The model may exhibit undesirable behaviors and should be fine-tuned and evaluated for specific applications.
Additional Notes 
For questions and comments about the model, email: lm@stability.ai
Supported Languages 
en (fluent), de (fluent), es (fluent), fr (fluent), it (fluent), nl (fluent), pt (fluent)
Training Details 
Data Sources:
tiiuae/falcon-refinedweb, togethercomputer/RedPajama-Data-1T, uonlp/CulturaX, CarperAI/pilev2-dev, bigcode/starcoderdata, DataProvenanceInitiative/Commercially-Verified-Licenses
Data Volume:
2 trillion tokens
Context Length:
4096
Hardware Used:
384 NVIDIA H100 GPUs (AWS P5 instances)
Model Architecture:
decoder-only transformer with 12.1 billion parameters, 5120 hidden size, 40 layers, and 32 attention heads.
Input Output 
Input Format:
prompts as plain text
Accepted Modalities:
text
Output Format:
generated text from the model
LLM NameStablelm 2 12B
Repository 🤗https://huggingface.co/stabilityai/stablelm-2-12b 
Model Size12b
Required VRAM24.4 GB
Updated2025-09-23
Maintainerstabilityai
Model Typestablelm
Model Files  5.0 GB: 1-of-5   5.0 GB: 2-of-5   5.0 GB: 3-of-5   5.0 GB: 4-of-5   4.4 GB: 5-of-5
Supported Languagesen de es fr it nl pt
Model ArchitectureStableLmForCausalLM
Licenseother
Context Length4096
Model Max Length4096
Transformers Version4.40.0
Tokenizer ClassGPT2TokenizerFast
Padding Token<|endoftext|>
Vocabulary Size100352
Torch Data Typebfloat16

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