Hasura vs LangChain

Hasura

LangChain

Hasura · 14 features

• Actions — Custom resolvers via HTTP.
• Data Connector Hub — Build connectors to any source.
• Event Triggers — DB changes → webhook.
• GraphQL API — Auto GraphQL over relational + NoSQL.
• Hasura DDN (v3) — Multi-source supergraph with OpenDD.
• JWT Auth — Pluggable JWT verification.
• Metadata Migrations — Git-versioned Hasura config.
• Permissions — Row + column + session-based.
• Query Caching — Edge caching with cache-control directive.
• Remote Schemas — Merge external GraphQL into supergraph.
• REST Endpoints — Turn any GraphQL op into REST.
• Scheduled Triggers — Cron + one-off webhook triggers.
• Subscriptions — Live queries via WS.
• Webhook Auth — Custom auth via webhook.

LangChain · 18 features

• Agents — Tool-using agents with reasoning loops.
• Chains (LCEL) — LangChain Expression Language — pipe primitives into chains.
• Checkpointers (LangGraph) — Persist agent state to SQL, Mongo, Redis, Postgres.
• Document Loaders — 150+ loaders for PDF, HTML, Notion, Google Drive, S3, GitHub, etc.
• Human-in-the-loop — Pause agent for approval, then resume.
• LangGraph — Stateful graph-based agent runtime. Durable, replayable, human-in-the-loop.
• LangGraph Platform — Managed hosting for LangGraph agents with state persistence.
• LangGraph Studio — Desktop IDE for debugging agent graphs.
• LangServe — Deploy chains as FastAPI endpoints.
• Memory — Buffer, summary, entity, vector memory stores.
• Output Parsers — Structured JSON, Pydantic schemas, function calling.
• Prompt Templates — Templating + partial filling + output parsers.
• RAG (Retrieval-Augmented Generation) — Standard patterns + 50+ retrievers.
• Streaming — First-class streaming at every layer.
• Subgraphs — Compose agent graphs hierarchically.
• Text Splitters — Recursive, token, semantic splitters for chunking.
• Tools — 400+ pre-built tools (web search, code, databases, APIs).
• Vector Store Integrations — 60+ vector DBs (Pinecone, Chroma, Weaviate, PGVector, Qdrant, Milvus).