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FieldStepFun logoStep PlanStepFun
Starting price$6.99/$9.99/$29/$99
Score79
Availability-
Call status-
Model coverage4 models · 2 families
CompatibilityOpenClaude API, Codex, Hermes Agent, Kimi Code, OpenHands, OpenCode +11
Speed-
BenchmarkStep 3.5 Flash 2603 · score 26
UpdatedMay 13, 2026

Step Plan

StepFun

Open product

Step Plan is a subscription-based AI service from StepFun for high-frequency developers, offering access to flagship models via standardized APIs for coding and agent scenarios with intelligent routing and multimodal capabilities.

Flash Mini

Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR

Flash Plus

Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR

Flash Pro

Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR

Flash Max

Step 3.5 Flash 2603, Step 3.5 Flash, StepAudio 2.5 TTS, StepAudio 2.5 ASR