All Models

Step 3.7 Flash

Reasoning Tool Calling Attachments Open Weights Structured Output

Newer StepFun flash model for faster agents, coding, and multimodal prompts

Providers 12
Released May 28, 2026
Input Modalities text, image, video
Output Modalities text
Tarsk Use coding

Benchmarks

30.3
Intelligence Index
39.6
Coding Index

Available Providers (12)

Provider Model ID Input Cost Output Cost Context Max Output Docs
Nvidia stepfun-ai/step-3.7-flash $0/MTok $0/MTok 256K 16.4K
UnoRouter step-3.7-flash:free $0/MTok $0/MTok 256K 256K
StepFun (Global) step-3.7-flash $0.18/MTok $1.11/MTok 256K 256K
StepFun (China) step-3.7-flash $0.18/MTok $1.11/MTok 256K 256K
Ambient stepfun/step-3.7-flash $0.19/MTok $1.14/MTok 262.1K 262.1K
EmpirioLabs AI step-3-7-flash $0.20/MTok $1.15/MTok 256K 131.1K
Hugging Face stepfun-ai/Step-3.7-Flash $0.20/MTok $1.15/MTok 262.1K 256K
OpenRouter stepfun/step-3.7-flash $0.20/MTok $1.15/MTok 256K 256K
Vercel AI Gateway stepfun/step-3.7-flash $0.20/MTok $1.15/MTok 256K 256K
ZenMux stepfun/step-3.7-flash $0.20/MTok $1.15/MTok 256K 256K
StepFun Step Plan (China) step-3.7-flash —/MTok —/MTok 256K 256K
StepFun Step Plan (Global) step-3.7-flash —/MTok —/MTok 256K 256K

Capabilities

Reasoning
Tool Calling
Attachments
Open Weights
Structured Output