Oasst Sft 1 Pythia 12B is an open-source language model by OpenAssistant. Features: 12b LLM, VRAM: 23.8GB, Context: 2K, License: apache-2.0, HF Score: 40.8, LLM Explorer Score: 0.14, Arc: 46.4, HellaSwag: 70, MMLU: 26.2, TruthfulQA: 39.2, WinoGrande: 62.2, GSM8K: 0.6.
Model Card on HF 🤗: https://huggingface.co/OpenAssistant/oasst-sft-1-pythia-12b
Oasst Sft 1 Pythia 12B Benchmarks
MMLU Pro: 1.25
GPQA: 1.01
MUSR: 2.99
BBH: 4.78
IFEval: 10.55 vs 88 (so35)-88%
ARC: 46.42 vs 96.7 (so35)-52%
HellaSwag: 70 vs 95.3 (gpt4)-26.5%
MMLU: 26.19 vs 88.3 (so35)-70.3%
TruthfulQA: 39.19 vs 59 (gpt4)-33.6%
WinoGrande: 62.19 vs 87.5 (gpt4)-28.9%
GSM8K: 0.61 vs 96.4 (so35)-99.4%
MATH Lvl 5: 1.51
LLME Score: 0.13504
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").
What is the LLM Explorer Rank (Score)
Oasst Sft 1 Pythia 12B Parameters and Internals
| LLM Name | Oasst Sft 1 Pythia 12B |
| Repository 🤗 | https://huggingface.co/OpenAssistant/oasst-sft-1-pythia-12b |
| Model Size | 12b |
| Required VRAM | 23.8 GB |
| Updated | 2026-04-04 |
| Maintainer | OpenAssistant |
| Model Type | gpt_neox |
| Model Files | |
| Supported Languages | en |
| Model Architecture | GPTNeoXForCausalLM |
| License | apache-2.0 |
| Context Length | 2048 |
| Model Max Length | 2048 |
| Transformers Version | 4.26.1 |
| Tokenizer Class | GPTNeoXTokenizer |
| Vocabulary Size | 50288 |
| Torch Data Type | float16 |
Best Alternatives to Oasst Sft 1 Pythia 12B
Best Alternatives |
Context / RAM |
Downloads |
Likes |
|---|---|---|---|
| Dolly V2 12B | 2K / 23.8 GB | 3283 | 1955 |
| ...sst Sft 4 Pythia 12B Epoch 3.5 | 2K / 23.8 GB | 1587 | 368 |
| Oasst Rl 1 Pythia 12B | 2K / 23.8 GB | 3 | 4 |
| Pythia 12B | 2K / 23.8 GB | 36490 | 144 |
| Pythia 12B Deduped | 2K / 23.8 GB | 4764 | 52 |
| Pythia 12B Sft V8 7K Steps | 2K / 23.8 GB | 1784 | 22 |
| Pythia 12B Sft V8.2.5K Steps | 2K / 23.8 GB | 1651 | 0 |
| H2ogpt Gm Oasst1 En 1024 12B | 2K / 23.8 GB | 1433 | 5 |
| H2ogpt Oasst1 512 12B | 2K / 23.9 GB | 1487 | 29 |
| ...asst Pythia 12B Pretrained Sft | 2K / 23.8 GB | 2202 | 0 |
Note: green Score (e.g. "73.2") means that the model is better than OpenAssistant/oasst-sft-1-pythia-12b .
Rank the Oasst Sft 1 Pythia 12B Capabilities
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a