assistant-ui vs GPT-6 Astra

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

assistant-ui

assistant-ui is an open-source React toolkit designed to integrate ChatGPT-style chat experiences into applications.

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GPT-6 Astra

OpenAI frontier model for difficult end-to-end reasoning and professional work.

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Attributeassistant-uiGPT-6 Astra
Pricing typeFreePaid
Korean supportNoNo
PlatformsWeb-
Open sourceYesNo
API availableAvailableAvailable
SDKAvailable-
LLM-based--
MultimodalYes-
AI modelGPT, Claude-
GitHub Stars10.5K-
Vendorassistant-ui-
CategoryDeveloper ToolsDeveloper Tools
DetailsView View

assistant-ui key features

  • Production-ready React chat UI components
  • State management for streaming and multi-turn conversations
  • Integration with LangGraph, Vercel AI SDK, and LangChain
  • Managed backend service with chat history and thread management
  • Customizable theming and optimized performance