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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Large language models, scaling laws, AI Alignment, democratization of DL
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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
609

EleutherAI/unsloth-phi-4-Instruct-LORA-Open-R1-Code-GRPO-b2-as4-lr2en5-encouraged
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EleutherAI/unsloth-phi-4-Instruct-LORA-Open-R1-Code-GRPO-b2-as4-lr2en5-vuln
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EleutherAI/DeepSeek-R1-Distill-Qwen-1.5B-GRPO
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EleutherAI/skip-transcoder-SmolLM2-135M-128x
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3

EleutherAI/dclm-dedup_20250227-004105
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EleutherAI/pythia-6.9b
Text Generation
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59.7k
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EleutherAI/Llama-3.2-1B-modularaddition-random-standardized-many-random-names
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EleutherAI/Llama-3.2-1B-multiplication-random-standardized-many-random-names
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EleutherAI/Llama-3.2-1B-squaring-random-standardized-many-random-names
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EleutherAI/Llama-3.2-1B-subtraction-random-standardized-many-random-names
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datasets
210
EleutherAI/SmolLM2-1.7B-stage-4-100B
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88M
EleutherAI/SmolLM2-1.7B-stage-4-20B
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17.6M
EleutherAI/SmolLM2-1.7B-stage-4-10B
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8.8M
EleutherAI/filtering-pretraining-mix-formatted-backup
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410M
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167
EleutherAI/SmolLM2-135M-10B
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10.1M
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1.19k
EleutherAI/filtering-pretraining-mix-formatted
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3
EleutherAI/SmolLM2-135M-20B
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20.1M
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83
EleutherAI/SmolLM2-135M-100B
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101M
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179
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EleutherAI/SmolLM-135M-100b
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109M
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247
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EleutherAI/dclm-dedup_20250227-004105
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406M
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6.98k