StepfunPaid
Step 3.5 Flash
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....
stepfun/step-3.5-flash
Capabilities
🧠Reasoning🔧Tools📜Long context
Specifications
Context window
262K tokens
Input price
$0.10/M
Output price
$0.30/M
Provider
Stepfun
Input modalities
text
Output modalities
text
Pricing
Pay-per-token
Model ID
stepfun/step-3.5-flash
Strengths
- +Strong step-by-step reasoning
- +Supports tool / function calling
- +Large 262K-token context window
- +Low cost per token
Considerations
- –No image understanding