# Hugging Face — SmolLM3: smol, multilingual, long-context reasoner

- Company: Hugging Face (huggingface.co)
- Announced: 2025-07-08T00:00:00+00:00
- Category: open-weight-release
- Subject: Platform
- Open weights: yes
- Models affected: SmolLM3-3B-Base, SmolLM3-3B
- Context window: up to 128k with NoPE and using YaRN
- Source: https://huggingface.co/blog/smollm3
- Record: https://forck.live/items/1666-smollm3-smol-multilingual-long-context-reasoner

Hugging Face releases SmolLM3, a fully open 3B small language model that outperforms Llama-3.2-3B and Qwen2.5-3B while being competitive with larger 4B models. It supports multilingual (6 languages), long context up to 128k, and dual mode reasoning (think/no_think). The release includes a complete engineering blueprint with architecture details, data mixtures, and training methodology.

## Evidence

Verbatim from https://huggingface.co/blog/smollm3:

> With SmolLM3, we're excited to contribute a new competitive fully open 3B model

---

Record: https://forck.live/items/1666-smollm3-smol-multilingual-long-context-reasoner
Catalogue: https://forck.live/llms.txt
Feed: https://forck.live/feed.md