--- title: "Arize launches Phoenix, an open-source library to monitor LLM hallucinations" url: https://daily.dev/posts/arize-launches-phoenix-an-open-source-library-to-monitor-llm-hallucinations-vq8uvyl7i source_url: https://venturebeat.com/ai/arize-launches-phoenix-an-open-source-library-to-monitor-llm-hallucinations/ type: article source: "Venture Beat" published: 2023-04-25T15:46:16.496Z updated: 2026-07-16T02:12:40.490Z tags: ["data-science", "elixir", "llm-observability", "machine-learning"] reading_time: 4 upvotes: 2 comments: 0 language: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # Arize launches Phoenix, an open-source library to monitor LLM hallucinations **[Venture Beat](https://daily.dev/sources/venturebeat)** · 4 min read · 2 upvotes · 0 comments ## Summary Arize AI has launched Phoenix, an open-source library that monitors large language models (LLMs) for hallucinations. Phoenix helps visualize complex LLM decision-making, flagging when models fail or give poor responses. It also assists with troubleshooting and fine-tuning LLM models. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Don’t just attend KubeCon \+ CloudNativeCon, Merge Forward your experience\!](https://daily.dev/posts/don-t-just-attend-kubecon-cloudnativecon-merge-forward-your-experience--l0rpp73x8) · CNCF · 0 upvotes · 0 comments - [Announcing H2 2026 KCDs](https://daily.dev/posts/announcing-h2-2026-kcds-m96goajm1) · CNCF · 1 upvotes · 0 comments - [Two months of Open Community Groups](https://daily.dev/posts/two-months-of-open-community-groups-asf52zhbs) · CNCF · 0 upvotes · 0 comments - [CNCF Unveils Schedule for KubeCon \+ CloudNativeCon Europe 2026](https://daily.dev/posts/cncf-unveils-schedule-for-kubecon-cloudnativecon-europe-2026-ikhcoa5cb) · CNCF · 2 upvotes · 0 comments - [CNCF Debuts KubeCon \+ CloudNativeCon Japan 2026 Schedule](https://daily.dev/posts/cncf-debuts-kubecon-cloudnativecon-japan-2026-schedule-xp5pyudub) · CNCF · 1 upvotes · 0 comments --- Tags: [#data-science](https://daily.dev/tags/data-science), [#elixir](https://daily.dev/tags/elixir), [#llm-observability](https://daily.dev/tags/llm-observability), [#machine-learning](https://daily.dev/tags/machine-learning) [View this post on daily.dev](https://daily.dev/posts/arize-launches-phoenix-an-open-source-library-to-monitor-llm-hallucinations-vq8uvyl7i)