FastGPT vs Claude Fable 5.1

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

FastGPT

FastGPT is an open-source knowledge base platform based on LLMs.

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Claude Fable 5.1

Anthropic general-availability frontier model for coding and knowledge work.

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AttributeFastGPTClaude Fable 5.1
Pricing typeContact for pricingPaid
Korean supportPartialNo
PlatformsWeb, API-
Open sourceYesNo
API availableAvailableAvailable
SDKAvailable-
LLM-basedYes-
MultimodalYes-
AI modelGPT, Claude, Llama, DeepSeek-
GitHub Stars29.6K-
VendorLabRing-
CategoryDeveloper ToolsDeveloper Tools
DetailsView View

FastGPT key features

  • Visual workflow editor
  • RAG-based knowledge base
  • Multi-model integration
  • Data preprocessing
  • API and SDK support