Models/stepfun/StepFun: Step 3.5 Flash
ST

StepFun: Step 3.5 Flash

262K context$0.10/M input$0.30/M output
stepfun/step-3.5-flash

Description

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....

Quick Start

curl https://router.tangle.tools/v1/chat/completions \
  -H "Authorization: Bearer $TANGLE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "stepfun/step-3.5-flash",
    "messages": [{"role": "user", "content": "Hello!"}]
  }'

Modalities

Input: TextOutput: Text

Pricing

Input$0.10/M
Output$0.30/M
Context262K tokens

Model Info

Providerstepfun
IDstepfun/step-3.5-flash