NvidiaStep 3.5 Flash model ID, context window & pricing
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Quick facts
Model ID stepfun-ai/step-3.5-flash
Source Nvidia
Context Window 256000
Pricing -
Capabilities tool calling, reasoning, temperature control, open weights
Model overview
Step 3.5 Flash is an AI model from Nvidia with 256000 token context window and text input support.
Public token pricing is not listed for this model in the current catalog source.
- Workloads that use text inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID stepfun-ai/step-3.5-flash
Provider Nvidia
Family -
Status -
Knowledge Cutoff -
Release Date 2026-02-02
Input Modalities text
Output Modalities text
Context Window 256000
Input Limit -
Output Limit 16384
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control Yes
Open Weights Yes
Input Cost / 1M tokens -
Output Cost / 1M tokens -
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -