Pythia is the first LLM suite designed specifically to enable scientific research on LLMs. To learn more see https://github.com/EleutherAI/pythia

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Welcome to EleutherAI's HuggingFace page. We are a non-profit research lab focused on interpretability, alignment, and ethics of artificial intelligence. Our open source models are hosted here on HuggingFace.
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models
620

EleutherAI/gemmascope-transcoders-sparsify-cache-1m
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EleutherAI/gemmascope-transcoders-sparsify
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EleutherAI/SmolLM2-1.7B-magpie-ultra-v1.0-random
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EleutherAI/SmolLM2-1.7B-magpie-ultra-v1.0-classification
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9

EleutherAI/Llama-3.2-1B-mntss-skip-transcoder-cache-1M
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EleutherAI/SmolLM2-CLT-135M-73k-k32-cache
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EleutherAI/SmolLM2-CLT-135M-73k-k32
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6

EleutherAI/Qwen-Coder-Insecure
Text Generation
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30

EleutherAI/Llama-3.2-1B-mntss-skip-transcoder
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EleutherAI/unsloth-qwen3-14b-Instruct-LORA-Open-R1-Code-GRPO-b2-as4-lr2en5-vuln
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datasets
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EleutherAI/filtering-pretraining-mix_20250516-0250
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410M
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EleutherAI/filtering-annealing-mix_20250507-012346
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89M
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87
EleutherAI/SmolLM2-1.7B-stage-4-100B
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88M
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147
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EleutherAI/SmolLM2-1.7B-stage-4-20B
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17.6M
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120
EleutherAI/SmolLM2-1.7B-stage-4-10B
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8.8M
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EleutherAI/filtering-pretraining-mix
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410M
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143
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EleutherAI/SmolLM2-135M-10B
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10.1M
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1.33k
EleutherAI/filtering-pretraining-mix-formatted
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EleutherAI/SmolLM2-135M-20B
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20.1M
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708
EleutherAI/SmolLM2-135M-100B
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101M
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