Step 3.7 Flash NVFP4
Step 3.7 Flash NVFP4 is StepFun's language model. A 198B-parameter sparse MoE vision-language model optimized with NVFP4 quantization, combining a large language backbone with a vision encoder for efficient multimodal inference.
Capabilities
Input1/5
Text✓
Image·
Audio·
Video·
PDF·
Output1/5
Text✓
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·