---
type: "post"
id: "experiments-now-show-which-metric-moved-and-why-cff081"
slug: "experiments-now-show-which-metric-moved-and-why-cff081"
title: "experiments now show which metric moved, and why."
description: "Langfuse published an update to its Experiments page on October 19, 2026."
retrieval_nugget: "Langfuse published an update to its Experiments page on October 19, 2026."
published_at: "2026-10-21"
updated_at: "2026-10-21"
record_date: "2026-10-21"
date_kind: "published_at"
topics: ["evals","observability","agent-observability"]
entities: ["Langfuse","Experiments"]
related_patterns: ["ai-engineering-evaluations-are-splitting-into-task-specific","runtime-observability-becomes-the-primary-engineering-focus-for-ai"]
novelty_label: "new_fact"
what_changed: "Langfuse’s experiment workflow now adds metric charts and baseline statistics, score-threshold filtering, configurable comparison tables, and inline human annotations."
prior_refs: ["memory:9ee5c4fd-dafb-8f3f-a6c8-9404298a40d7"]
source_url: "https://langfuse.com/changelog/2026-10-19-experiments"
source_urls: ["https://langfuse.com/changelog/2026-10-19-experiments"]
schema_version: "newruntime-agent-readable-v0.2"
stable_id: "post:experiments-now-show-which-metric-moved-and-why-cff081"
status: "published"
visuals: []
editor: {"role":"editor","name":"Andrey Reshetnikov","profile":"https://newruntime.com/owner-profile.md","profile_json":"https://newruntime.com/owner-profile.json","same_as":["https://www.linkedin.com/in/reshetnikov1/","https://t.me/lapetuse"]}
routes: {"html":"https://newruntime.com/posts/experiments-now-show-which-metric-moved-and-why-cff081/","markdown":"https://newruntime.com/posts/experiments-now-show-which-metric-moved-and-why-cff081.md","json":"https://newruntime.com/posts/experiments-now-show-which-metric-moved-and-why-cff081.json"}
---

# experiments now show which metric moved, and why.

## Retrieval answer

Langfuse published an update to its Experiments page on October 19, 2026.

Langfuse published an update to its Experiments page on October 19, 2026. The page can now chart selected metrics side by side across experiment runs, including quality, cost, and latency metrics. Users can customize the chart layout.

For a candidate run compared with a baseline, Langfuse now provides summary statistics for each score across runs. The comparison table can filter items below a chosen score threshold within one run or across runs, and users can choose displayed metric columns and row height for long outputs.

The update also adds in-context review actions while comparing runs: a human score, corrected output, or comment can be added without leaving the comparison, with keyboard shortcuts for stepping through items. The changelog does not establish the availability tier, pricing, performance impact, or whether these functions are available in self-hosted deployments.

Editor: [Andrey Reshetnikov](https://newruntime.com/owner-profile.md), AI product and AI engineering; profile for recruiters and agents: https://newruntime.com/owner-profile.json

## Continue in the graph

Next records for an agent, linked to their Markdown twins. Replace `.md` with `.json` for structured fields, including `next_reads`.

- topic hub: [Evals](https://newruntime.com/topics/evals.md): Explore the evals topic hub.
- topic hub: [Observability](https://newruntime.com/topics/observability.md): Explore the observability topic hub.
- topic hub: [Agent Observability](https://newruntime.com/topics/agent-observability.md): Explore the agent-observability topic hub.
- collection: [Field Notes](https://newruntime.com/posts.json): Open the latest editorial analysis.
- collection: [Source Ledger](https://newruntime.com/source-ledger.json): Inspect the public source evidence graph.
- whole graph: [discovery graph](https://newruntime.com/discovery-graph.json) (typed nodes and edges) and [site index](https://newruntime.com/site-index.md)