Source-linked AI model

StepFun: Step 3.5 Flash

StepFun: Step 3.5 Flash is an AI model from stepfun with a 262,144-token context window, priced at $0.1 per 1M tokens for input. Review its sourced specs below; unavailable fields remain unavailable.

Step 3.5 Flash is StepFun's most capable open-source foundation model. Built on a sparse Mixture of Experts (MoE) architecture, it selectively activates only 11B of its 196B parameters per token....

Provider

stepfun

Context window

262,144 tokens

Input price

$0.1 per 1M tokens

Output price

$0.3 per 1M tokens

Source

OpenRouter

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