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

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

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Model details

Step 3.5 Flash

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StepFun Step Plan (Global)step-3.5-flash

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Quick Info

Provider: StepFun Step Plan (Global)
Model key: step-3.5-flash
Release date: Jan 29, 2026

Limits

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

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Last updated

Feb 13, 2026

Knowledge cutoff

2025-01

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