Step Plan
StepFun
Step Plan is StepFun's subscription-based AI service for Agent and Coding scenarios. It offers standardized APIs with OpenAI and Anthropic compatibility, intelligent multi-model routing via step-router-v1, and out-of-the-box multimodal capabilities including text, speech, and image models. Designed for developers building intelligent workflows with high-frequency model calls.
Flash Max
Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR +3
Flash Mini
Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR +3
Flash Pro
Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR +3
Flash Plus
Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR +3

