Step 3.5 Flash 2603 is optimized for high-frequency agentic and coding workflows with improved token efficiency and faster reasoning. NOTE: This model runs via StepFun, which may log and train on your prompts.
Added Apr 14, 2026
Context Window
256.0K
Max Output
256.0K
Input Price (Auto)
$0.10/1M
Output Price (Auto)
$0.30/1M
Capabilities
Performance metrics and benchmarks
Sourced from Artificial Analysis.
No benchmark data is available yet for this model.
Auto routing is available for this model. Explicit provider selection is not available.
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