// topic

#PythonTutorial

14 guides~1.6 hrs totalupdated Jul 6, 2026

 Start here

Pydantic AI vs LangChain: Which Framework Should You Use? (2026)

Pydantic AI vs LangChain in 2026: real code for both, a clear verdict on which to pick, and exactly where each framework stands right now — including the v2 beta.

Intermediate · 6 min

AI Engineering

Read the guide →

All guides

14 on this page

IntermediateAI Agent Guardrails in Python: Input & Output ValidationAI agent guardrails in Python: validate input and output, block prompt injection, and enforce schemas with the OpenAI Agents SDK and Pydantic.9 min IntermediateAgentic AI in Python: Zero to Production — The Full SeriesThe complete Agentic AI in Python series — six parts that take you from a local LangGraph agent to a deployed, memory-keeping, tool-using, observable app. Start here.1 min IntermediateAI Agent Evals in CI: Block Bad PRs with GitHub ActionsRun AI agent evals in CI: turn your pydantic-evals suite into a test, gate it with GitHub Actions, and block any pull request that drops the agent's score.6 min IntermediateAI Agent Observability & Evals in Python (Part 6)Add AI agent observability and evals in Python — trace every agent run with Pydantic Logfire and score it against a test set using pydantic-evals.7 min IntermediateBuild an Agentic AI App in Python: MCP Client (Part 5)Build an MCP client in Python so your agent calls real tools — connect a LangGraph agent to an authenticated FastMCP server with langchain-mcp-adapters.7 min IntermediateLangGraph vs CrewAI vs AutoGen: Which to Use in 2026?LangGraph vs CrewAI vs AutoGen compared for 2026: dev speed, production reliability, observability, and how to pick the right Python AI agent framework.6 min IntermediatePydantic AI Tutorial: Type-Safe AI Agents in Python (2026)Pydantic AI tutorial: build type-safe AI agents in Python with structured outputs, tools, dependency injection and native MCP, plus runnable 2026 code.8 min IntermediateBuild an Agentic AI App in Python: AI Agent Memory (Part 4)Add real AI agent memory in Python — a LangGraph Store that recalls users across threads, semantic search with embeddings, and Redis for production.7 min IntermediateBuild an Agentic AI App in Python: Multi-Agent Systems (Part 3)Build multi-agent systems in Python with LangGraph: a supervisor routing search, summarise & fact-check workers, plus loop guards that save real money.8 min IntermediateBuild an MCP Server in Python: Production-Ready in 2026Build a production-ready MCP server in Python with FastMCP — typed tools, OAuth 2.1 auth and streamable-HTTP deployment that most 2026 tutorials skip.7 min IntermediateDeploy AI Agent to Cloud Run or Fly.io (Python 2026)Deploy AI agent code to Cloud Run or Fly.io in one command: push once, get a live HTTPS URL, and keep your Postgres-backed agent memory intact — no VPS.8 min IntermediateBuild an Agentic AI App in Python: FastAPI, Docker & Deploy to Production (Part 2)Wrap your LangGraph agent in FastAPI, Dockerize it, and deploy to a cloud VPS. Part 2 of the Agentic AI Python series — zero to production.9 min IntermediateBuild an Agentic AI App in Python: Zero to Production (Part 1)Learn how to build a working agentic AI app in Python with LangGraph. Part 1 covers tools, StateGraph, and memory — step by step from scratch.9 min

Following #PythonTutorial?

Get new #PythonTutorial guides the day they publish. One email, no spam.