Latest AI and tech news

langfuse.com • Oct 23 • by Langfuse

Evals · Data science +12

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engineeringWe launched Halo 😇We launched Halo, the assistant inside Langfuse. It can investigate traces, help set up evals, build dashboards, and take action with your approval.Oct 23, 2026·Lotte

langfuse.com • Sep 30 • by Langfuse

MLOps · AI assistants +10

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FE5A0

updateLangfuse September UpdateJev-as-a-judge, Langfuse Assistant sandbox, rebuilt experiment results, evaluator backfills and moreSep 30, 2026·Marc

langfuse.com • Sep 18 • by Langfuse

Evals · MLOps +9

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FD353

engineeringUsing TypeSafe's Jev for evalsA specialized decision model for routing, classification, and eval verdicts — and how to score Langfuse traces with it.Sep 18, 2026·Annabell

langfuse.com • Aug 31 • by Langfuse

Web development · Computer vision +11

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EB97B

updateLangfuse August UpdateLangfuse v4, new evaluator setup flow, multi-modal evaluators, CLI 1.0, responsive timeline and more4 Days Ago·Marc

langfuse.com • Jul 31 • by Langfuse

Languages · Data science +12

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C05F8

updateLangfuse July UpdateChart any table, dashboards via API, CLI, and MCP, new graph view modes, media previews and more13 Days Ago·Marc

langfuse.com • Jul 16 • by Langfuse

AI assistants · Evals +9

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593EC

engineeringYes, you can copy our eval setupEvals need to be custom to your app. At least some of them. A good chunk you can, and should be copying. Here is our setup for our docs chatbot.1 Day Ago·Annabell

langfuse.com • Jul 15 • by Langfuse

Automation · Enterprise AI +15

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guideBuilding Deployment Gates for LLMs and AI Agents in Financial ServicesHow we used Langfuse datasets, experiments, and the public API to build automated pass/fail deployment gates for LLMs and AI agents in financial services.8 Days Ago·Doneyli

langfuse.com • Jun 22 • by Langfuse

Languages · Cybersecurity +11

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FBBC3

engineeringDesigning the runtime for Langfuse code evaluatorsCode evaluators let you score traces with your own Python or TypeScript code. A look at the execution model behind them: the requirements, the options we rejected, and the security stance we adopted.3 Weeks Ago·Tobias

langfuse.com • Jun 5 • by Langfuse

Automation · Cybersecurity +9

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engineeringHow we use agents to review production infrastructureHow repo-owned agent workflows help us review incidents, infra cost, security findings, and bugs in production.2 Weeks Ago·Max

langfuse.com • May 31, 06:00 PM • by Langfuse

Automation · MLOps +11

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1A230

engineeringAI is eating the AI engineering loopThe full AI engineering loop can technically be automated now. But that doesn't mean it should. Here is what we think you should hand to agents, and what you should keep doing yourself.6 Days Ago·Lotte

langfuse.com • May 31 • by Langfuse

DevOps & SRE · MLOps +11

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92FA2

updateLangfuse May UpdateCode Evaluators, full-text search, Langfuse MCP, Experiments in CI/CD and more2 Weeks Ago·Marc

langfuse.com • Apr 30 • by Langfuse

AI research · Evals +13

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updateLangfuse April UpdateJapan Cloud Region, new Experiments, Langfuse Academy, LLM-as-a-Judge API and moreApril 30, 2026·Marc

langfuse.com • Apr 27 • by Langfuse

Cloud · MLOps +10

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announcementLangfuse Cloud Japan RegionLangfuse Cloud Japan is live. A dedicated cloud region hosted in Japan for teams that need their LLM observability data to stay in Japan.April 27, 2026·Marc, Clemens, Max

langfuse.com • Apr 14 • by Langfuse

Legal · Evals +9

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31BC3

engineeringClassifying User Intent with Categorical LLM-as-a-JudgeA guide on how to set up a categorical LLM-as-a-judge evaluator to classify user intent. Follow along with how we applied this to our demo application.April 14, 2026·Lotte

langfuse.com • Apr 1 • by Langfuse

AI · Evals +12

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engineeringThe Rage Clicks of LLM apps: High-Signal Production Monitoring for AI Customer Support AgentsHow to use LLM-as-a-judge to detect when your users say "f**k".April 1, 2026·Annabell

langfuse.com • Mar 31 • by Langfuse

Languages · Evals +11

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C7F57

updateLangfuse March UpdateAgent Skill, Langfuse CLI, boolean and categorical LLM-as-a-Judge scores, Kiro integration, and moreMarch 31, 2026·Marc

langfuse.com • Mar 24 • by Langfuse

MLOps · LLMs +7

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9A919

Langfuse joins ClickHouseOur goal continues to be building the best LLM engineering platformRead more →Announcement2026/01/16by Clemens, Marc, Max

langfuse.com • Mar 13 • by Langfuse

MLOps · AI agents +8

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463B6

How We Built an Agent Skill to Synthesize what Langfuse Users wantWe built an AI agent skill that synthesizes GitHub issues, support tickets, and meeting notes into a weekly digest, and used Langfuse to monitor and improve it.Read more →Engineering2026/03/13by Lotte

langfuse.com • Mar 12, 05:49 PM • by Langfuse

Prompting · MLOps +10

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B4872

engineeringWe Used Autoresearch on Our AI Skill, It Taught Us to Write Better TestsWe applied Karpathy's autoresearch to optimize our Langfuse prompt migration skill — and got a lesson in why the target function matters more than the optimizer.March 24, 2026·Lotte

langfuse.com • Mar 10 • by Langfuse

MLOps · deep +6

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Simplifying Langfuse for ScaleA deep dive into how we moved Langfuse to an observations-first data model.Read more →EngineeringArchitecture2026/03/10by Steffen, Valeriy, Max

langfuse.com • Feb 28 • by Langfuse

Software engineering · Evals +7

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BFD08

updateLangfuse February UpdateObservation-centric data model, faster UI, Observations API v2 and Metrics API v2 out of beta, faster evaluation workflowsFebruary 28, 2026·Marc

langfuse.com • Feb 26 • by Langfuse

Cloud · AI +13

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F7035

Evaluating AI Agent SkillsHow we used Langfuse datasets, tracing, and the cloud agent SDK to iteratively evaluate and improve our AI agent skill.Read more →Engineering2026/02/26byLotte

langfuse.com • Feb 18 • by Langfuse

AI · AI agents +10

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C93D7

AI Agent Monitoring & Observability with LangfuseMonitor, trace, and debug AI agents in production. Learn about agent monitoring strategies, key metrics to track, and how to use Langfuse with LangGraph, OpenAI Agents, Dify, Flowise, and Langflow.Read more →AgentsGuide2025/03/16byJannik

langfuse.com • Feb 18 • by Langfuse

DevOps & SRE · MLOps +8

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From Zero to Scale: Langfuse's Infrastructure EvolutionA deep dive into how Langfuse's infrastructure evolved from a simple prototype to a scalable observability platform.Read more →EngineeringArchitecture2024/12/17bySteffen, Max

langfuse.com • Feb 18 • by Langfuse

DevOps & SRE · Cybersecurity +11

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Monitoring LLM Security & Reducing LLM RisksLLM security requires effective run-time checks and ex-post monitoring and evaluation. Learn how to use Langfuse together with popular security libraries to protect prevent common security risks.Read more →GuideEvaluation2024/06/06byLydia You

langfuse.com • Feb 18 • by Langfuse

MLOps · LLMs +5

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Langfuse Launch Week #1Unveiling Langfuse 2.0 in a week of releasesRead more →Launchweek2024/04/19byClemens

langfuse.com • Feb 18 • by Langfuse

RAG · DevOps & SRE +10

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ACC60

Native LlamaIndex IntegrationContext retrieval is a mainstay in LLM engineering. This latest integration brings Langfuse's observability to LlamaIndex applications for simple tracing, monitoring and evaluation of RAG applications.Read more →Integration2024/03/06byClemens

langfuse.com • Feb 16 • by Langfuse

AI coding tools · AI agents +10

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95554

Using Agent Skills to Automatically Improve your PromptsUse the Langfuse skill for Claude Code to analyze trace feedback and iteratively improve your prompts.Read more →Guide2026/02/16byLotte

langfuse.com • Feb 13 • by Langfuse

RAG · Languages +15

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9AA41

Will you be my CLI? Making Agents fall in love with Langfuse.How we optimized Langfuse for AI agents with CLI, Skills, markdown endpoints, public RAG endpoint, llms.txt, and MCP servers. A love letter to agents that need great developer tools.Read more →Engineering2026/02/14byFelix, Lotte, Nimar, Marc

langfuse.com • Jan 31 • by Langfuse

Databases · AI coding tools +10

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updateLangfuse January UpdateLangfuse joins ClickHouse, Claude Code integration, corrected outputs, Langfuse v4 Beta, and new integrationsJanuary 31, 2026·Marc

langfuse.com • Dec 9 • by Langfuse

AI coding tools · Software engineering +12

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67B23

Building Langfuse's MCP Server: Code Reuse and Developer ExperienceHow we built a production MCP server by reusing existing API logic, creating better abstractions, and learning what matters for LLM tool usage.Read more →Engineering2025/12/09byMichael

langfuse.com • Nov 30 • by Langfuse

DevOps & SRE · Cost of AI +10

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E124B

Langfuse November UpdateAgent Tracing, Model Pricing Tiers in Cost Tracking, Score Analytics, Langfuse MCP Server & moreRead more →Update2025/11/30byMarc

langfuse.com • Nov 25 • by Langfuse

AI coding tools · MLOps +8

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BA287

Vibe Coding a Custom Annotation UIA practical guide to building a customized annotation UI in minutes using LangfuseRead more →Guide2025/11/25byAbdallah

langfuse.com • Nov 20 • by Langfuse

DevOps & SRE · multiple +7

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3B135

Incident Report for Nov 18, 2025Postmortem report for the outage which caused multiple hours of downtime.Read more →Engineering2025/11/20byMax

langfuse.com • Nov 12 • by Langfuse

DevOps & SRE · Software engineering +10

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5B624

Evaluating LLM Applications: A Comprehensive RoadmapA practical guide to systematically evaluating LLM applications through observability, error analysis, testing, synthetic datasets, and experiments.Read more →Guide2025/11/12byAbdallah

langfuse.com • Nov 6 • by Langfuse

AI research · MLOps +11

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73B41

Systematic Evaluation of AI AgentsA practical guide to running and interpreting experiments in Langfuse.Read more →Guide2025/11/06byMarlies

langfuse.com • Oct 29 • by Langfuse

DevOps & SRE · MLOps +9

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D4399

Langfuse Launch Week 4A week of new features releases focused on collaboratively tracing, evaluating, and iterating on agents.Read more →Launchweek2025/10/29byClemens, Marc, Max

langfuse.com • Oct 28 • by Langfuse

RAG · DevOps & SRE +8

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A13E4

RAG Observability and EvalsA practical guide to RAG observability and evals.Read more →Guide2025/10/28byAbdallah

langfuse.com • Oct 21 • by Langfuse

Automation · Software engineering +10

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4BBF0

LLM Testing: A Practical Guide to Automated Testing for LLM ApplicationsLearn how to test LLM applications with automated evaluation, datasets, and experiment runners. A practical guide to LLM testing strategies.Read more →Guide2025/10/21byAbdallah

langfuse.com • Oct 13 • by Langfuse

AI agents · LLMs +7

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FD56A

State of LLMs on the Application LayerWe have analyzed model adoption of 20.000+ organizations building LLM applications and agents in the last 12 months. Here is what we found.Read more →Update2025/10/13byfelixkrauth

langfuse.com • Oct 9 • by Langfuse

Voice AI · AI assistants +10

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64AF6

Evaluating Multi-Turn ConversationsA practical guide of the different ways to evaluate multi-turn conversation agents (a.k.a. chatbots)Read more →Guide2025/10/09byAbdallah

langfuse.com • Sep 30 • by Langfuse

Cost of AI · AI research +13

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59D72

Langfuse September UpdateLangfuse September Update: AI Filters, Experiment Runner SDK, Structured Outputs for Experiments, TypeScript SDK v4 GA, price drop, and more.Read more →Update2025/09/30byMarc