Helium 1 Preview 2B is an open-source language model by kyutai. Features: 2b LLM, VRAM: 4.3GB, Context: 4K, License: cc-by-4.0, LLM Explorer Score: 0.23.
Model Card on HF 🤗: https://huggingface.co/kyutai/helium-1-preview-2b
Helium 1 Preview 2B Benchmarks
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)
Helium 1 Preview 2B Parameters and Internals
| LLM Name | Helium 1 Preview 2B |
| Repository 🤗 | https://huggingface.co/kyutai/helium-1-preview-2b |
| Model Size | 2b |
| Required VRAM | 4.3 GB |
| Updated | 2026-05-24 |
| Maintainer | kyutai |
| Model Type | helium |
| Model Files | |
| Supported Languages | en fr de it pt es |
| Model Architecture | HeliumForCausalLM |
| License | cc-by-4.0 |
| Context Length | 4096 |
| Model Max Length | 4096 |
| Transformers Version | 4.45.0.dev0 |
| Tokenizer Class | PreTrainedTokenizerFast |
| Vocabulary Size | 48000 |
| Torch Data Type | bfloat16 |
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a