Intern-S2-Preview

Checkpointinternlm/Intern-S2-PreviewModel card indexedModel card

Support summary

Intern-S2-Preview is a checkpoint published by InternLM, built on the InternS2PreviewForConditionalGeneration architecture. vLLM 0.28.0, the newest indexed vLLM release, documents support.

vLLM documents support in 10 of 20 indexed releases, from 0.22.0 to 0.28.0.

Documented hardware
NVIDIA / CUDA
Documented quantization
BF16
Documented features
Multi-token prediction, Reasoning parsers, Speculative decoding, Tensor parallelism, and Tool calling
Configured context
262,144 tokens
License
apache-2.0

Hardware, quantization and features count only statements about this checkpoint; engine-wide capabilities are listed with each release.

Hugging Face model card
Publisher
InternLM
Task
image text to text
License
apache-2.0
Library
transformers
Architecture
InternS2PreviewForConditionalGeneration
Weight tensor elements
36.1B
Tensor types
F32, BF16
Configured context
262,144 tokens
Weight access
Public
Repository created
2026-05-15
Source 1: internlm/Intern-S2-Preview · publisher model cardSource 2: internlm/Intern-S2-Preview · Hugging Face metadataSource 3: internlm/Intern-S2-Preview · publisher configurationReviewed
Model notes and sources

Engine support

3 engines

Engine support for Intern-S2-Preview
EngineReleaseCheckpoint supportEvidence scopeLast known supported
vLLM0.28.0Newest indexedCheckpoint evidenceSource: vLLM v0.28.0 · docs/models/supported_models.mdReviewed 0.28.0This release
Features, dependencies and evidence for vLLM 0.28.0
SGLang0.5.19Newest indexedNo matching evidence curatedNo supported release indexed
Features, dependencies and evidence for SGLang 0.5.19
TensorRT-LLM1.2.1Newest indexedNo matching evidence curatedNo supported release indexed
Features, dependencies and evidence for TensorRT-LLM 1.2.1

Recipes and cookbooks