GPT S2 5M is an open-source language model by AxiomicLabs. Features: 5m LLM, Context: 0.5K, License: apache-2.0, LLM Explorer Score: 0.34.
Custom-architecture Custom-tokenizer Custom code En Gpts3 Gqa Language-model Region:us Rope Safetensors Swiglu Xsa Xsa-refresh
Model Card on HF 🤗: https://huggingface.co/AxiomicLabs/GPT-S2-5M
GPT S2 5M 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)
GPT S2 5M Parameters and Internals
| LLM Name | GPT S2 5M |
| Repository 🤗 | https://huggingface.co/AxiomicLabs/GPT-S2-5M |
| Model Size | 5m |
| Required VRAM | 0 GB |
| Updated | 2026-06-21 |
| Maintainer | AxiomicLabs |
| Model Type | gpts3 |
| Model Files | |
| Supported Languages | en |
| Model Architecture | GPTS3ForCausalLM |
| License | apache-2.0 |
| Context Length | 512 |
| Model Max Length | 512 |
| Transformers Version | 5.5.3 |
| Is Biased | 0 |
| Tokenizer Class | PreTrainedTokenizerFast |
| Padding Token | <eos> |
| Vocabulary Size | 4096 |
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Original data from HuggingFace, OpenCompass and various public git repos.
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Release v20260328a