Why Agent Evals Miss What Production Catches
Join us at AGNTCon + MCPCon NA 2026 October 22 & 23rd in San Jose: https://hubs.la/Q04gbXLb0
Agentic AI Foundation
Pydantic AI
23 stories
10 Best Tools for LLM Input and Output Validation in 2026
An LLM can return valid JSON that your application still can’t use. It can accept a malicious prompt without complaint, break a schema on the...
Opencontroller by lyzr Blog13 min read
Choosing the Right Agentic AI Framework for 2026: A Decision-Tree Approach
In this article, you will learn how to choose the right agentic AI framework for your production system by working through a structured decision-tree based...
Machine Learning Mastery Blog10 min read
The Best AI Agent Frameworks (2026)
Compare six open-source AI agent frameworks by language, workflow control, tools, and use case, including Mastra, LangGraph, CrewAI, and Pydantic AI.
Browser Use Blog9 min read
Would you deploy an agent you don't control?
Claude Agent SDK puts Claude Code inside your application. If your product is not a coding agent, that convenience comes with architectural decisions you did not make.
PydanticAI Blog7 min read
GPT-6.1 Sol Shipped. Most AI Frameworks Still Don’t Know It.
12 hours after GPT-6.1 Sol launched, 3 of 10 AI libraries knew it. LlamaIndex raises ValueError; LangChain returns an empty profile. Probe inside.
Towards AI8 min read
Building production agents: the observability layer
Agents are still software, but traditional monitoring can't see what they actually do. A practitioner's case for treating observability as a first-class layer, and how we do it with Logfire.
PydanticAI Blog6 min read
Running Pydantic AI agents on Jev, and seeing what they decided
Pydantic AI can run an agent on TypeSafe's Jev, a model that answers typed questions instead of writing text. Pydantic Logfire now shows each question, answer, and probability in Live view.
PydanticAI Blog4 min read
Companies are paying LLMs to generate text for decisions that only need a label. Jev offers a cheaper way
A large share of the AI running inside enterprise software today is not writing anything. It's not chatting with an AI chatbot, and it's not even reasoning about how to give you the correct answer.
VentureBeat AI6 min read
Jev is now available in Pydantic AI Gateway
Bring your TypeSafe key to Pydantic AI Gateway and call Jev through the System One API, with metered cost, guardrails, and the same gateway key you use for every other model.
PydanticAI Blog3 min read
High-volume AI scoring with Jev and Pydantic Evals
Use Jev for categorical judgments, probabilities, and numeric rubric scores in Pydantic Evals, then track the results in Logfire without a per-score fee.
PydanticAI Blog12 min read
Introducing confident-trace: OTel Native Production Monitoring for AI Agents
confident-trace is our new Python and TypeScript SDK for tracing production AI applications. Here's why we're separating it from DeepEval and what that means for your stack.
Confident AI (DeepEval)4 min read
Generate images with Pydantic AI
Image generation is now part of Pydantic AI. Here's how to use it, why we added it, and the contributor conversations that helped it happen.
PydanticAI Blog7 min read
Durable execution in Pydantic AI agents with AWS Lambda Durability
AWSLambdaDurability checkpoints every model request, tool call, and MCP call as an AWS Lambda durable step. An invocation that times out or gets retried resumes from the last completed step instead of paying twice for work the agent already did.
PydanticAI Blog9 min read
Linguistic drift at the frontier
Frontier models are changing the words in our codebases, and the change spreads from one model to the next. Evidence from GitHub, and a Pydantic AI Capability that pushes back.
PydanticAI Blog11 min read
You.com is now a Pydantic AI capability
You.com ships as two capabilities in Pydantic AI Harness. YouSearch gives an agent web search with excerpts and page reads, YouResearch gives it cited answers and multi-step research, and both hand your application structured citations it can render without parsing text.
PydanticAI Blog12 min read
Building a filesystem-based agent memory on SurrealDB
Give an AI agent persistent memory as a filesystem in SurrealDB: computed file paths, fused full-text and vector search, and RBAC in a single PERMISSIONS clause
SurrealDB Blog17 min read
Your Pydantic AI agents just gained a voice
Realtime speech-to-speech support in Pydantic AI: the same agent, tools, and message history you already have, now over a live voice call. Provider-agnostic across OpenAI, Azure OpenAI, Gemini Live, and xAI, with browser WebRTC, server-side tools, gateway routing, and Logfire tracing.
PydanticAI Blog7 min read
Showing 18 of 23 stories
Load more storiesAiByts Weekly Brief
Get the top AI news and tools straight to your inbox every week.
Weekly · AI news
Join 15,000+ AI enthusiasts