NanoGPTStep 3.7 Flash Thinking model ID, context window & pricing
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Quick facts
Model ID stepfun/step-3.7-flash:thinking
Source NanoGPT
Context Window 256000
Pricing $0.20 input / $1.15 output per 1M tokens
Capabilities tool calling, reasoning, structured output
Model overview
Step 3.7 Flash Thinking is an AI model from NanoGPT with 256000 token context window and text, image, video input support.
Published pricing is $0.20 input and $1.15 output per 1M tokens.
- Workloads that use text, image, video 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:thinking
Provider NanoGPT
Family -
Status -
Knowledge Cutoff -
Release Date 2026-05-29
Input Modalities text, image, video
Output Modalities text
Context Window 256000
Input Limit 256000
Output Limit 256000
Tool Calling Yes
Reasoning Yes
Structured Output Yes
Temperature Control -
Open Weights No
Input Cost / 1M tokens $0.20
Output Cost / 1M tokens $1.15
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens $0.04
Cache Write Cost / 1M tokens -