ZenMuxStep 3.7 Flash model ID, context window & pricing
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Quick facts
Model ID stepfun/step-3.7-flash
Source ZenMux
Context Window 256000
Pricing $0.20 input / $1.15 output per 1M tokens
Capabilities tool calling, reasoning, temperature control, open weights
Model overview
Step 3.7 Flash is an AI model from ZenMux with 256000 token context window and text, image input support.
Published pricing is $0.20 input and $1.15 output per 1M tokens.
- Workloads that use text, image inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID stepfun/step-3.7-flash
Provider ZenMux
Family -
Status -
Knowledge Cutoff 2026-01-01
Release Date 2026-05-29
Input Modalities text, image
Output Modalities text
Context Window 256000
Input Limit 256000
Output Limit 256000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens $0.20
Output Cost / 1M tokens $1.15
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -