Step 3.5 Flash 2603 by StepFun Step Plan (China) | AI model information

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Step 3.5 Flash 2603 by StepFun Step Plan (China) | AI model information

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Model details

Step 3.5 Flash 2603

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StepFun Step Plan (China)step-3.5-flash-2603

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Quick Info

Provider: StepFun Step Plan (China)
Model key: step-3.5-flash-2603
Release date: Apr 2, 2026

Limits

Input tokens: 256,000 tokens
Output tokens: 256,000 tokens
Context window: 256,000 tokens

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Last updated

Apr 2, 2026

Knowledge cutoff

2025-01

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