SmolLM3-3B-Base

CheckpointHuggingFaceTB/SmolLM3-3B-BaseModel card indexedModel card

Support summary

SmolLM3-3B-Base is a checkpoint published by Hugging Face, built on the SmolLM3ForCausalLM architecture. vLLM lists its architecture, but not this exact checkpoint.

Configured context: 65,536 tokens
License: apache-2.0

Hugging Face model card

Publisher: Hugging Face
Task: text generation
License: apache-2.0
Library: transformers
Architecture: SmolLM3ForCausalLM
Weight tensor elements: 3.1B
Tensor types: BF16
Configured context: 65,536 tokens
Languages: en, fr, es, it, pt, zh, ar, ru
Weight access: Public
Repository created: 2025-06-19

Source 1 Source 2 Source 3Reviewed 2026-09-05

Model notes and sources

Engine support

3 engines

Engine support for SmolLM3-3B-Base
Engine	Release	Evidence scope	Last known supported
vLLM	`0.28.0`Newest indexed	Architecture listed; exact checkpoint unknown	No supported release indexed
Features, dependencies and evidence for vLLM 0.28.0
SGLang	`0.5.19`Newest indexed	No matching evidence curated	No supported release indexed
Features, dependencies and evidence for SGLang 0.5.19
TensorRT-LLM	`1.2.1`Newest indexed	No matching evidence curated	No supported release indexed
Features, dependencies and evidence for TensorRT-LLM 1.2.1