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langfuse/langfuse

🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.

Visit GitHub
TypeScript
37.4k
4.4k
185 contributors
Custom license
website
AchievementsView all →
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Momentum

How fast langfuse/langfuse is gaining stars, and where it lands on Trendshift and GitHub Trending

Activity and trending

Stars, forks and merged pull requests each day or month, lined up with the repository's rank on Trendshift Trending

Sep 16 – Nov 15, 2026

Stars +2,783 in 61 days

050100150
102

Forks +539 in 61 days

01020
20

Merged PRs 1,684 in 61 days

050100
67

Trendshift Trendingwhere the repository ranked each day it made the top 25

Not in the Trendshift top 25 in this period

Sep 16Sep 24Oct 2Oct 10Oct 18Oct 26Nov 3Nov 11
The left and right arrow keys step from day to day; Home and End go to the first and the last

Stars, forks, merged pull requests and Trendshift Trending rank, by day
DayStars gainedForks gainedMerged PRs
Wed, Sep 16, 2026+46+836
Thu, Sep 17, 2026+39+639
Fri, Sep 18, 2026+50+1330
Sat, Sep 19, 2026+29+120
Sun, Sep 20, 2026+40+101
Mon, Sep 21, 2026+53+557
Tue, Sep 22, 2026+37+531
Wed, Sep 23, 2026+34+1343
Thu, Sep 24, 2026+42+731
Fri, Sep 25, 2026+29+432
Sat, Sep 26, 2026+30+42
Sun, Sep 27, 2026+28+90
Mon, Sep 28, 2026+42+1331
Tue, Sep 29, 2026+56+139
Wed, Sep 30, 2026+34+1021
Thu, Oct 1, 2026+45+1013
Fri, Oct 2, 2026+38+1119
Sat, Oct 3, 2026+24+30
Sun, Oct 4, 2026+34+910
Mon, Oct 5, 2026+26+728
Tue, Oct 6, 2026+35+1263
Wed, Oct 7, 2026+52+1157
Thu, Oct 8, 2026+42+739
Fri, Oct 9, 2026+41+757
Sat, Oct 10, 2026+38+84
Sun, Oct 11, 2026+40+60
Mon, Oct 12, 2026+57+1356
Tue, Oct 13, 2026+69+759
Wed, Oct 14, 2026+48+757
Thu, Oct 15, 2026+48+644
Fri, Oct 16, 2026+59+767
Sat, Oct 17, 2026+34+50
Sun, Oct 18, 2026+33+142
Mon, Oct 19, 2026+36+1036
Tue, Oct 20, 2026+58+330
Wed, Oct 21, 2026+49+951
Thu, Oct 22, 2026+55+1445
Fri, Oct 23, 2026+67+1042
Sat, Oct 24, 2026+102+113
Sun, Oct 25, 2026+97+115
Mon, Oct 26, 2026+72+2017
Tue, Oct 27, 2026+75+1213
Wed, Oct 28, 2026+44+515
Thu, Oct 29, 2026+65+914
Fri, Oct 30, 2026+44+1323
Sat, Oct 31, 2026+41+75
Sun, Nov 1, 2026+35+63
Mon, Nov 2, 2026+59+1236
Tue, Nov 3, 2026+62+860
Wed, Nov 4, 2026+46+447
Thu, Nov 5, 2026+56+755
Fri, Nov 6, 2026+43+1544
Sat, Nov 7, 2026+23+61
Sun, Nov 8, 2026+29+85
Mon, Nov 9, 2026+45+1330
Tue, Nov 10, 2026+59+944
Wed, Nov 11, 2026+51+836
Thu, Nov 12, 2026+50+1641
Fri, Nov 13, 2026+30+1145
Sat, Nov 14, 2026+36+00
Sun, Nov 15, 2026+2+00
Total+2,783+5391,684
  • 1#1 on the list
  • 7Rank that day
  • Not trending
2

    • GitHub trending history

    Where the repository ranked on GitHub Trending, one dot for each day it was on a list

    Apr 27, 2024 – Apr 22, 2026Best #4

    #1#5#10#15#20#25
    Top 10
    Dec 2023JunDecJunDecJun
    The left and right arrow keys step from day to day; Home and End go to the first and the last

    Mentions and achievements

    Where people are talking about langfuse/langfuse, and every badge it has earned
    1. Nov 141 post

      • These 20 GitHub repos turn your Fable 5.2 into a team of AI agents that never clocks out. this is a f*cking insane for Fable 5.2 skills. Memory. Tools. Browser. Team. Ship. 01 /gstack → Garry Tan's…

        Read full on X, posted by @eng_khairallah1

        @eng_khairallah1 · x.com

    2. Nov 132 posts

      • HOLY F*CK, an entire AI agent studio in 20 repos. 20 free tools to build agents with Opus 5.5. Loops. Tools. Memory. Evals. Browsers. 01 Claude Agent SDK → The agent loop in Python. 02 MCP Servers →…

        Read full on X, posted by @replay_0x

        @replay_0x · x.com

      • Show HN: Langfuse AI Gateway, open source rust gateway to trace every LLM call

        Read full on Hacker News

        Hacker News

    3. Nov 121 post

      • AI 应用上线后最麻烦的，不是直接报错，而是答案悄悄变差，你却不知道从哪一步开始。 Langfuse 是开源的 AI 工程平台，可以追踪模型调用、成本和延迟，也支持评测、提示词版本管理与 Agent 调试。既能用云服务，也能自行部署。 功能完整，但团队需要先定义什么叫“好答案”。 #GitHub #AI开发 #开源项目

        Read full on X, posted by @staroaeg

        @staroaeg · x.com

    4. Nov 91 post2 posts

      • 🚀 5 open-source tools for building reliable AI applications: 1. Langfuse: 2. Arize Phoenix: 3. Promptfoo: 4. DeepEval: 5. TruLens:

        Read full on X, posted by @Shoumya23

        @Shoumya23 · x.com

      • 1/10 · iFixAi

        Read full on X, posted by @AsWill11

        @AsWill11 · x.com

    5. Nov 82 posts

      • Some bugs don't crash. They just give you the wrong number. Langfuse score dashboards had two of them: 1. values landing in the wrong histogram bins 2. averages taken as an average of averages Out of…

        Read full on X, posted by @hassaanch__

        @hassaanch__ · x.com

      • 03｜Phoenix 追蹤模型呼叫、檢索與代理步驟，再把失敗案例整理成資料集做實驗。適合回答「這次到底在哪一步出錯？」。

        Read full on X, posted by @2015ayien

        @2015ayien · x.com

    6. Nov 51 post

      • 7 open-source AI tools most developers are sleeping on. Not ChatGPT wrappers. Actual tools for building better AI agents, automating workflows, and shipping production-ready applications. Bookmark…

        Read full on X, posted by @sanjaynandanj

        @sanjaynandanj · x.com

    7. Nov 41 post

      • Build your own AI “war room” for breaking down big decisions This stack is everything that you need: 1.⁠ ⁠CrewAI 2.⁠ ⁠LangGraph 3.⁠ ⁠AutoGen 4.⁠ ⁠E2B 5.⁠ ⁠Langfuse Save this post before you lose it

        Read full on X, posted by @RoundtableSpace

        @RoundtableSpace · x.com

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