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StepFun: Step 3.7 Flash

STEPFUN Developer Architecture Profile

OpenRouter ↗HuggingFace ↗
Intelligence (ELO)1430Chatbot Arena Verified
Max Context256,000Tokens
API Cost / 1M$1.35Blended Prompt + Completion

Model Capabilities

  • Drafting
  • Classification
  • Vision
  • Coding & Logic
  • Fictional
Step 3.7 Flash is StepFun's latest high-efficiency multimodal Mixture-of-Experts model. It pairs a 196B-parameter language backbone with a vision encoder for native image and video understanding, activating roughly 11B parameters...

Granular Pricing Matrix

Input Tokens (Prompt)$0.20 / 1M
Output Tokens (Completion)$1.15 / 1M

Pricing data via OpenRouter. Sync: 6/13/2026

Evaluate Competitors

VS Engine MatchupStepFun: Step 3.7 Flash vs MiniMax: MiniMax M2.1VS Engine MatchupStepFun: Step 3.7 Flash vs Xiaomi: MiMo-V2-FlashVS Engine MatchupStepFun: Step 3.7 Flash vs Qwen: Qwen3 30B A3B Thinking 2507VS Engine MatchupStepFun: Step 3.7 Flash vs MoonshotAI: Kimi K2 0711VS Engine MatchupStepFun: Step 3.7 Flash vs TheDrummer: UnslopNemo 12BVS Engine MatchupStepFun: Step 3.7 Flash vs OpenAI GPT Mini Latest