Intern-S1
Support summary
Intern-S1 is a checkpoint published by InternLM, built on the InternS1ForConditionalGeneration architecture. vLLM 0.28.0, the newest indexed vLLM release, documents support. Official recipes or cookbooks cover SGLang, without pinning a stable release.
vLLM documents support in 20 of 20 indexed releases, from 0.17.0 to 0.28.0.
- Documented hardware
- NVIDIA / CUDA and AMD / ROCm
- Documented quantization
- BF16
- Documented features
- Reasoning parsers, Tensor parallelism, and Tool calling
- Configured context
- 65,536 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
- InternS1ForConditionalGeneration
- Weight tensor elements
- 240.7B
- Tensor types
- BF16
- Configured context
- 65,536 tokens
- Weight access
- Public
- Repository created
- 2025-07-24
Model notes and sources
- vLLM v0.28.0 · docs/models/supported_models.md · 20 indexed revisions, v0.17.0 to v0.28.0
- internlm/Intern-S1 · publisher model card
- internlm/Intern-S1 · Hugging Face metadata
- internlm/Intern-S1 · publisher configuration
- vllm · models/internlm/Intern-S1.yaml
- sglang · docs/cookbook/autoregressive/InternLM/Intern-S1.mdx
- vllm · InternLM/Intern-S1.md
- Reviewed
Engine support
3 engines
| Engine | Release | Checkpoint support | Evidence scope | Last known supported |
|---|---|---|---|---|
| vLLM | 0.28.0Newest indexed | Checkpoint evidenceSource: vLLM v0.28.0 · docs/models/supported_models.mdReviewed | 0.28.0This release | |
Features, dependencies and evidence for vLLM 0.28.0 | ||||
| SGLang | Version not pinnedRecipe / cookbook | Documented recipeSource 1: sglang · docs/cookbook/autoregressive/InternLM/Intern-S1.mdxSource 2: sglang · docs/src/snippets/autoregressive/intern-s1-deployment.jsxReviewed | No supported release indexed | |
Features, dependencies and evidence for SGLang 0.5.19 | ||||
| TensorRT-LLM | 1.2.1Newest indexed | No matching evidence curated | No supported release indexed | |
Features, dependencies and evidence for TensorRT-LLM 1.2.1 | ||||