Step 3.7 Flash FP8 is a language model from Stepfun Ai. Its rank belongs to Step 3.7 Flash, the model this route serves. Its weights are openly downloadable.
Figures as of 25 Oct 2026, 02:04 UTC · download the public dataset · methodology
This separately configured or accelerated route is reviewed as the same underlying model identity as Step 3.7 Flash. That canonical product owns rank and capability evidence; pricing, providers and other operational differences remain route-specific below.
OpenRouter endpoint status could not be refreshed. This model is not treated as currently served until a successful observation arrives.
Providers
Uptime measured over the last 30 minutesCurrent provider status is unavailable.
Other versions (1)
Deployment readiness
Metadata index- Artifact reproducibility
- 85.0
- Access & legal clarity
- 100.0
- Deployability
- 8.0
- Evaluation provenance
- 0.0
Not yet published: the base model it derives from, a current serving provider, measured provider uptime, published provider pricing, declared context and output limits, admitted benchmark results, results across several capability areas, results from more than one source, a confident match to its benchmark entries, pinned evaluation dataset versions.
A metadata completeness and deployability index—not a safety certification, quality grade, or production-readiness claim.
Market activity
Venue coverage- Market Gravity
- 12.5
- OpenRouter weekly popularity
- Not listed
Market Gravity uses OpenRouter’s full-catalogue popularity order. Sparse Vercel top-ten observations appear only when published and do not affect the score.
Market Gravity breakdown
- Usage55%
- 0.0
- Liquidity25%
- 0.0
- Open reach15%
- 64.9
- Freshness5%
- 55.5
OpenRouter weekly popularity across the full model catalogue.
Independent providers versus the model's open or closed cohort, weighted by uptime.
Hugging Face 30-day downloads for open models; neutral for closed models.
Time since first public availability, on a six-month half-life.
Specification
- Model ID
stepfun-ai/Step-3.7-Flash-FP8- Declared output cap
- Unknown
OpenRouter catalogue or provider-endpoint declaration. Limits can vary by provider and prompt length; a model-wide maximum has not been independently verified. OpenRouter metadata
- Inputs
- Text, Image
- Outputs
- Text
- Cached input tokens
- Not offered
- First seen on OpenRouter
- 23 May 2026
Capabilities
- Not supported: Reasoning
- Not supported: Tool use
- Not supported: Structured output
- Not supported: Response format
- Not supported: Moderated
Weights & access
Open weights. Downloadable weights are published under an OSI or free-culture license in the current repository metadata. This describes weight availability, not whether the full training stack qualifies as Open Source AI.
- Access
- Open weights
- Licence
- apache-2.0
- Pinned revision
- b3d7916fccac
- Parameters
- 201.4B
- Architecture
- Step3p7ForConditionalGeneration
- Model type
- step3p7
- Hugging Face downloads (30d)
- 4K
- Downloads (all time)
- 90K
- Likes
- 21
- Repository
- stepfun-ai/Step-3.7-Flash-FP8
- Repository updated
- 1 Jun 2026, 06:00 UTC