Step 3.5 Flash 2603

AI model Released Apr 2, 2026

Context window: 256,000 tokens
Maximum output: 256,000 tokens
Open weights: Yes

No matched benchmark results are available for this entry yet.

Run it locally

Inference · memory estimate

Step 3.5 Flash 2603

Not enough verified architecture information for a reliable VRAM estimate.

API cost

USD / month

Input tokens / monthOutput tokens / month

Standard text-token estimate. Excludes taxes, caching, batch discounts, reasoning and multimodal surcharges. Provider limits and regional availability may differ.

Step 3.5 Flash 2603

Provider offer

Step 3.5 Flash 2603 / Pricing tiers 1

Provider / scope	Rate	Currency	Amount / unit
StepFunstep-3.5-flash-2603Standard	Cached input	CNY	0.14 / 1M tokens
	Input	CNY	0.7 / 1M tokens
	Output	CNY	2.1 / 1M tokens

Capabilities

Context window: 256,000 tokens
Maximum output: 256,000 tokens
Reasoning: Yes
Tool calling: Yes
Open weights: Yes
Knowledge cutoff: 2025-01

Input modalities

text

Output modalities

text