Csm 1B is an open-source language model by unsloth. Features: 1b LLM, VRAM: 4.2GB, Context: 2K, License: apache-2.0, LLM Explorer Score: 0.22.
Base model:finetune:sesame/csm... Base model:sesame/csm-1b Csm En Model hub mixin Pytorch model hub mixin Region:us Safetensors Text-to-speech
Model Card on HF 🤗: https://huggingface.co/unsloth/csm-1b
Csm 1B 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)
Csm 1B Parameters and Internals
| LLM Name | Csm 1B |
| Repository 🤗 | https://huggingface.co/unsloth/csm-1b |
| Base Model(s) | |
| Model Size | 1b |
| Required VRAM | 4.2 GB |
| Updated | 2026-04-15 |
| Maintainer | unsloth |
| Model Type | csm |
| Model Files | |
| Supported Languages | en |
| Model Architecture | CsmForConditionalGeneration |
| License | apache-2.0 |
| Context Length | 2048 |
| Model Max Length | 2048 |
| Transformers Version | 4.52.0.dev0 |
| Tokenizer Class | PreTrainedTokenizer |
| Padding Token | <|end_of_text|> |
| Vocabulary Size | 2051 |
| Torch Data Type | float16 |
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a