StepFun: Step 3.5 Flash — AI model

StepFun: Step 3.5 Flash is a AI model from StepFun, available through Hormouz via an OpenAI-compatible API with stable access from inside Iran.

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....

curl https://api.hormouz.net/v1/chat/completions \
  -H "Authorization: Bearer ng-YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "stepfun/step-3.5-flash",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'