LangChain
Agent framework (v1.1) with create_agent abstraction, LangGraph stateful orchestration, middleware for retries and moderation, and model profiles.
open-source
Open ToolHosting
Vercel
Frontend and serverless hosting with AI SDK 6 (Agent abstraction, MCP support), AI Gateway across major LLM providers, and edge functions.
usage-based · $0-$20/mo
Features
- AI SDK 6 with Agent abstraction and MCP support
- AI Gateway for unified access to OpenAI, Anthropic, Google, Meta
- Serverless and edge functions with streaming
- Cold start prevention for LLM workloads
- Framework-agnostic UI hooks for chat interfaces
Best use cases
Compatible tools
OpenAI
GPT-5.2 and o-series reasoning models with the Responses API, AgentKit, and built-in tools for web search, code execution, and computer use.
usage-based
Open ToolPinecone
Serverless vector database with integrated inference (embed + store + query in one call), Pinecone Assistant for managed RAG, and dedicated read nodes.
usage-based
Open ToolSupabase
Postgres backend with built-in pgvector for vector search, hybrid search (BM25 + vector), auth, real-time subscriptions, edge functions, and row-level security.
freemium
Open Tool