StepFun vs AIRI

A side-by-side comparison of features, pricing, and characteristics.

StepFun

StepFun is a high-performance multimodal LLM developed by Chinese startup StepFun.

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AIRI

Open-source LLM-powered virtual character and digital companion for web and desktop.

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AttributeStepFunAIRI
Pricing typeFree + paid (from $6.99/mo)Free
Korean supportNoNo
PlatformsWeb, API, iOS, Android-
Open sourceNoYes
API availableAvailable-
SDKAvailable-
LLM-basedYes-
MultimodalYes-
AI modelStep-
GitHub Stars-48.9K
VendorStepFun (阶跃星辰)-
CategoryCommunicationCommunication
DetailsView View

StepFun key features

  • 1T Parameter Step-1 Model
  • Multimodal Understanding
  • Ultra-long Context Support
  • Step-2 MoE Architecture
  • Real-time Web Search
  • High-performance Inference

AIRI key features

  • Web and desktop applications
  • Live2D and VRM virtual character presentation
  • LLM-powered conversational and voice interaction
  • Game- and application-aware interaction goals
  • Local LLM connectivity on desktop
  • MIT-licensed open-source codebase