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Agent framework (v1.1) with create_agent abstraction, LangGraph stateful orchestration, middleware for retries and moderation, and model profiles.
open-source
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Visual workflow engine with AI Agent nodes, MCP tool swapping, RAG capabilities, and multi-type memory. Self-host free or use managed cloud plans.
freemium
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Frontend and serverless hosting with AI SDK 6 (Agent abstraction, MCP support), AI Gateway across major LLM providers, and edge functions.
usage-based
Open ToolWeaviate
Open-source vector engine with built-in Weaviate Agents (Query, Transformation, Personalization), Hybrid Search 2.0, and multi-tenant architecture.
open-source-or-cloud
Open Tool