Levelmodel
Classmultimodal LLM
Parameters198B
Context256,000
Released3 Jun 2026
Opennessopen weights permissive
Runs onmulti-GPU node, single datacentre GPU
Statusactive
From the model's own page; who made each picture and where it comes from are listed on the Image Credits page.
Benchmark Results
vendor-reported
Humanity's Last Exam (HLE)knowledge and reasoning
with toolsvendor-reported
48.1
050100
Score in %. Higher is better.
SWE-bench Procoding
vendor-reported
56.3
050100
Score in %. Higher is better.
Where this comes from
Every score names who ran it: vendor-reported, maintainer-run or independent. A rank is shown with the population it was ranked in (gap rule 3).
Lineage
successor
Step-3.5-Flash is the parent (successor)medium confidencemodel cardWhere this comes from
Parent and child relations from model cards, Hugging Face base_model fields and the genealogy tables of the research notes. The tree shows two generations each way, 2 models. Confidence and evidence are the notes' own.
R&D Topics
Identity
Where this comes from
Developer and dates from the research notes. Release date is the vendor's public announcement; weights date is when open weights were published.
Architecture and Size
- Architecture
- MoE Sparse MoE vision-language model (196B language backbone + 1.8B vision encoder)
- Total parameters
- 198B sources
- Active parameters
- 11B
- Checkpoint parameters
- –
- Note
- About 11B active
- Context length
- 256,000 tokens
- Input
- text, image
- Output
- text
Where this comes from
Parameter counts as the developer states them. Where the checkpoint holds a different total, both are shown (register A16).
Openness and Access
- Openness
- open weights permissive
- Licence
- Apache License 2.0 sources
- Access routes
- open weights download
Where this comes from
The licence file governs over registry tags and aggregator labels.
Deployment
- Runs on
- multi-GPU node, single datacentre GPU
- Footprint
- NVFP4 variant listed at 104B
- Runtimes
- not in the notes
Where this comes from
Deployment tiers and runtimes as named in the notes. Footprint is the notes' figure, not a measurement by AURION.
Indonesia
- Indonesian support
- not stated
- Regional languages
- not in the notes
- Jakarta hosting
- unknown
- Languages
- not in the notes
Where this comes from
Indonesia fields are carried on every model; unknown is an allowed value.
Industry Use Cases
No industry use case links this model.
Links
DeveloperStepFunstartup, China
StepFunstartup, ChinaModelStep-3.7-FlashStepFun, multimodal LLM
Step-3.7-FlashStepFun, multimodal LLMR&D TopicsEfficiency Architectures (MoE, Sparse Attention, Long Context)Open-Weight Frontier Releases as Research SubstrateVisual Instruction Tuning
Use CasesClinical LLM (Open Weights)HealthcareProcess Optimisation and Advanced Process ControlIndustrialTelecom Domain LLMs and BenchmarksTelecomRobot Inspection with Instrument ReadingIndustrial+1 moreUse cases of models in the same R&D topic; none is recorded for this model itself.
Who Runs It
PT Amman Mineral Nusa Tenggara (AMMAN)In production, 8 Jul 2026MIND IDResearch, 14 Oct 2025
Conch CementIn production, 23 Jun 2025
PT Kalbe Morinaga IndonesiaIn production, Oct 2024+2 moreDeployments of these use cases; none names this model.
PT Amman Mineral Nusa Tenggara (AMMAN)In production, 8 Jul 2026MIND IDResearch, 14 Oct 2025Conch CementIn production, 23 Jun 2025PT Kalbe Morinaga IndonesiaIn production, Oct 2024+2 moreDeployments of these use cases; none names this model.Organisations 1
R&D topics 3
Open-Weight Frontier Releases as Research SubstrateUsing released weights as the base for downstream research.used byVisual Instruction TuningConnecting a vision encoder to a language model and training it on image-grounded instruc…produced byEfficiency Architectures (MoE, Sparse Attention, Long Context)Reducing training and inference cost per capability.produced by
Sources
- huggingface.co/stepfun-ai/Step-3.7-Flash https://huggingface.co/stepfun-ai/Step-3.7-Flash
To cite this page: Project AURION, AI Use-Cases Research & Innovation, "Step-3.7-Flash", https://aurion.semai.id/models/stepfun-step-3-7-flash/, records of October 2026.