← LLM Models
Step 3.5 Flash
Stepfun
Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....
openrouter.ai ↗📖Context262K tokens
🚀Speed-
💵Input price$0.090/1M
💸Output price$0.300/1M
More from Stepfun
API Providers
Details
- Provider
- Stepfun
- Parameters
- -
- Context
- 262K tokens
- Speed
- -
- Open Source
- No
- License
- Proprietary
- Released
- Jan 2026