November 5, 2024

Langfuse is the #1 Open Source LLMOps Product

We have grown from a few core users within Y Combinator to thousands of teams in startups, tech companies, and enterprises. This article includes a summary of metrics that help compare different projects.

We have collected different metrics and are excited to share that Langfuse is the most used Open Source LLMOps product out there.

Langfuse offers developers a comprehensive set of tools for observability, evaluation, and prompt management, making it a good choice to develop and improve AI applications in production. We receive incredible feedback from our users, and it motivates us to continue building the best product for the community.

We are incredibly thankful to work with such a large community of users that care deeply about Langfuse. We have grown from a few core users within Y Combinator to thousands of teams who use Langfuse in startups, tech companies, and enterprises. Your support and engagement helps drive the overall roadmap and success of Langfuse. Thank you for being a part of our journey as we work together to help everyone build better AI applications.

Looking for a popular, well-integrated and battle-tested OSS LLMOps stack that can easily be self-hosted and extended? Learn more about the LiteLLM x Langfuse integration at oss-llmops-stack.com.

Download Metrics

Langfuse is the most downloaded OSS LLMOps tool across Python, JS/TS, and Docker.

pypi downloadsnpm downloadsdocker pulls
🪢 LangfuseLangfuse pypi downloadsLangfuse npm downloadsLangfuse Docker Pulls + 4.7M (ghcr)
HeliconeHelicone pypi downloadsHelicone npm downloadsHelicone Docker Pulls
Opik / Cometopik pypi downloadsN/A115k (ghcr)
Phoenix / ArizePhoenix pypi downloadsN/APhoenix Docker Pulls
LunaryLunary pypi downloadsLunary npm downloadsN/A
OpenlitOpenlit pypi downloadsOpenlit npm downloads20k (ghcr)
LangtraceLangtrace pypi downloadsLangtrace npm downloadsLangtrace Docker Pulls

Numbers refresh automatically via shields.io

Community Engagement

Langfuse is the most starred open source LLMOps tool across GitHub and the fastest growing since its launch in June 2023.

We are proud to have the most engaged community in this space on GitHub besides our Discord server.

GitHub starsLast commitGitHub DiscussionsGitHub Issues
🪢 LangfuseLangfuse GitHub starsLangfuse last commitLangfuse GitHub DiscussionsLangfuse GitHub Issues
HeliconeHelicone GitHub starsHelicone last commitHelicone GitHub DiscussionsHelicone GitHub Issues
Opik / Cometopik GitHub starsopik last commitN/Aopik GitHub Issues
Phoenix / ArizePhoenix GitHub starsPhoenix last commitPhoenix GitHub DiscussionsPhoenix GitHub Issues
LunaryLunary GitHub starsLunary last commitLunary GitHub DiscussionsLunary GitHub Issues
OpenlitOpenlit GitHub starsOpenlit last commitOpenlit GitHub DiscussionsOpenlit GitHub Issues
LangtraceLangtrace GitHub starsLangtrace last commitLangtrace GitHub DiscussionsLangtrace GitHub Issues

Numbers refresh automatically via shields.io

Why chose Langfuse?

Large community: Langfuse has numerous actively maintained

integrations with the latest LLM frameworks (such as Langchain, LlamaIndex, and OpenAI) and a helpful community on Discord and GitHub. ### Battle-tested: Langfuse is used in production by thousands of users and has a proven track record of reliability and performance.

💡

Read more on why other teams use Langfuse here.

Detailed Metrics

We want to be as transparent as possible for our customers, community, partners and potential future employees. That is why we aggregate the core metrics on this public dashoard.

Open source projects using Langfuse

While we see a lot of traction, we can monitor which open source projects actually use Langfuse. Find a list below:

Dependents stats for langfuse/langfuse-python

Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info

RepositoryStars
  langflow-ai / langflow116251
  open-webui / open-webui109642
  abi / screenshot-to-code70877
  infiniflow / ragflow64118
  run-llama / llama_index44203
  QuivrHQ / quivr38415
  microsoft / ai-agents-for-beginners38012
  mindsdb / mindsdb35669
  BerriAI / litellm28726
  kortix-ai / suna17976
  Canner / WrenAI11868
  The-Pocket / PocketFlow8313
  OpenPipe / ART7093
  topoteretes / cognee7011
  awslabs / agent-squad6785
  BasedHardware / omi6231
  hatchet-dev / hatchet6019
  zenml-io / zenml4873
  coleam00 / ottomator-agents4165
  JoshuaC215 / agent-service-toolkit3557
  bragai / bRAG-langchain3010
  pingcap / autoflow2651
  open-webui / pipelines2055
  YFGaia / dify-plus1734
  TheSpaghettiDetective / obico-server1687
  MLSysOps / MLE-agent1387
  TIGER-AI-Lab / TheoremExplainAgent1385
  trailofbits / buttercup1223
  wassim249 / fastapi-langgraph-agent-production-ready-template1200
  dmayboroda / minima1010
  zstar1003 / ragflow-plus993
  dynamiq-ai / dynamiq927
  opslane / opslane719
  andysingal / llm-course643
  theopenconversationkit / tock587
  sentient-engineering / agent-q487
  NicholasGoh / fastapi-mcp-langgraph-template481
  phospho-app / text-analytics-legacy439
  duoyang666 / ai_novel397
  strands-agents / samples385
  RobotecAI / rai373
  aws-samples / aws-ai-ml-workshop-kr295
  weizxfree / KnowFlow285
  zenml-io / zenml-projects276
  wxai-space / LightAgent275
  sql-agi / DB-GPT241
  guyernest / advanced-rag238
  bklieger-groq / mathtutor-on-groq233
  plastic-labs / honcho224
  OVINC-CN / OpenWebUI202
  zhutoutoutousan / worldquant-miner202
  ai-shifu / ai-shifu181
  aws-samples / sample-serverless-mcp-servers175
  8090-inc / xrx-sample-apps163
  deepset-ai / haystack-core-integrations163
  XSpoonAi / spoon-core150
  chatchat-space / LangGraph-Chatchat144
  piyushgarg-dev / genai-cohort135
  i-dot-ai / redbox132
  bmd1905 / ChatOpsLLM127
  Fintech-Dreamer / FinSynth121
  kenshiro-o / nagato-ai119
  AmineDjeghri / generative-ai-project-template106
  zozoheir / tinyllm100
  tuhinsharma121 / ai-playground97
  pavanjava / bootstrap-rag91
  hustyichi / dify-eval82
  longevity-genie / just-agents75
  MSNP1381 / kaggle-Agent70
  TencentBlueKing / bk-monitor68
  elenagalun / difygit67
  veragloo / dify66
  gnosis / prediction-market-agent65
  aws-samples / genai-ml-platform-examples64
  cab938 / jupyter_tool64
  i-dot-ai / themefinder61
  sib-swiss / sparql-llm60
  kaymen99 / AI-Sales-agent59
  denodo / denodo-ai-sdk57
  jayita13 / GenerativeAI57
  aws-samples / generative-ai-on-amazon-sagemaker56
  Coding-Crashkurse / Udemy-Advanced-LangChain52
  Shy2593666979 / AgentChat51
  agentcoinorg / predictionprophet48
  DTiapan / ai-agents-handbook47
  opendatahub-io-contrib / workbench-images47
  filopedraz / kosuke-core43
  jakobap / graph2nosql42
  betagouv / ComparIA41
  gnosis / prediction-market-agent-tooling41
  holunda-io / bpm-ai-connectors-camunda-841
  valory-xyz / mech40
  AIAtrium / mcp-assistant38
  jakobap / graphrag-light38
  michelle-avery / custom-conversation37
  yaitec / langflow-streamlit37
  it-at-m / mucgpt36
  garyzava / chat-to-database-chatbot36
  IDinsight / ask-a-question36
  danifuya / ai-agents-tutorials35
  stackitcloud / rag-template35
  jayrinaldime / ollama-straico-apiproxy35
  SSK-14 / WizSearch33
  Renumics / lexio32
  xyin-anl / Nodeology32
  percent4 / llm_4_doc_qa31
  wangxj03 / ai-cookbook31
  Shekswess / ai-project-template31
  GreyDGL / ShareGPTs31
  auto-code-etri / autocode28
  thomasnormal / fewshot28
  pingcap / LinguFlow28
  AnkushMalaker / friend-lite27
  MoFox-Studio / MoFox_Bot27
  dimagi / open-chat-studio27
  minhbtrc / chatbot-template26
  syzhy113 / Engineering-Code-Analysis26
  bearlike / Personal-Assistant26
  ThalesGroup / fred25
  Stockelper-Lab / stockelper-llm25
  sunblaze-ucb / verina25
  Pseudo-Lab / JobPT25
  Hyperspawn / Dropbear25
  PersonaFlow / agentstack24
  RRisto / learning23
  Flopsky / OpenDeepWiki23
  therohitshelar97 / SignLanguageDetectionDeepLearningProject23
  mayflower / langchain_agents23
  aws-samples / sample-getting-started-with-strands-agents-course22
  Computer-use-agents / MacOS-Agent22
  minorun365 / aws-level-checker22
  aimclub / ProtoLLM22
  blacksmithop / LLM-Graph-Builder22
  cnoe-io / openapi-mcp-codegen20
  bangoc123 / multi-agents-design-patterns20
  aws-samples / open-source-bedrock-agent-evaluation20
  PalisadeResearch / ctfish20
  anatelgovbr / sei-ia20
  LLM-Projects / haystack-book20
  edenartlab / eve19
  Ubheee / chainainexus-cloud19
  SuperGalaxy0901 / Streamlit-OpenAI-Chatbot19
  nthanhdo2610 / ai-log-analysis18
  pshenok / minima-aws18
  maxritter / aws-bedrock-multi-agent-blueprint18
  Coding-Crashkurse / LangChain-in-Production-with-Langfuse18
  sumukshashidhar / yourbench17
  beaubeas / lung-cancer-detection17
  Coding-Crashkurse / LangGraph-Visualizer17
  Coding-Crashkurse / RAG-Evaluation-with-Ragas17
  shreyashankar / spade-experiments17
  ogabrielluiz / langflow-railway17
  moodlehq / wiki-rag16
  FosterFlow / fosterflow16
  ldilab / ArchCode16
  balajivis / modernaipro16
  aws-samples / Cost_Effective_and_Scalable_Models_Inference_on_AWS_Graviton15
  a-klos / langchain-ocr15
  samitugal / KnowledgeGraphQA-Langgraph15
  brylie / langflow-fastapi-htmx15
  YeonwooSung / MLOps15
  outskill-git / GenAIEngineering-Cohort114
  aws-samples / sample-genai-on-eks-starter-kit14
  AndreCNF / polids14
  phitrann / arXivRAG14
  diicellman / dynamite-dogs14
  strickvl / hinbox13
  shivaraj-bh / ollama-flake13
  synth-laboratories / synth-ai12
  tensorplex-labs / dojo12
  ssc-dsai / canchat-v212
  topoteretes / cognee-community12
  Shekswess / small-language-model-rags-is-all-you-need12
  PhiBrandon / offer-generator-lightrag12
  dida-do / public12
  aishe-ai / core12
  jayeshmahapatra / rag-chatbot12
  georgian-io / GAL12
  GaiaNet-AI / gaia-cookbook11
  aws-samples / sample-building-agentic-ai-applications-on-aws11
  app-vitals / livekit-video11
  AI3clauseBSD / claused-webai11
  aimclub / FEDOT.LLM11
  afontana1 / Data-Engineering11
  c00cjz00 / llmservice_ip11
  CdC-SI / ZAS-EAK-CopilotGPT11
  zby / answerbot11
  OpenProBono / openprobono11
  binarybrain-009 / AUTOATTACKER11
  himanshu-skid19 / Inter-IIT-12-Devrev-AI-Agent-00711
  luwhano / fastapi-langgraph-agent-production-ready-template10
  bklieger-groq / voice-stockbot10
  ls1intum / Hephaestus10
  CeS-3 / pwn.hust.college10
  domik82 / aidevs310
  totvs-ai / dta-samples10
  kartik-nighania / dhs-workshop10
  phoenix-legend7 / Open-WebUI10
  milistu / LegaBot10

Generated using github-dependents-info, by Nicolas Vuillamy

Dependents stats for langfuse/langfuse-js

Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info Generated by github-dependents-info

RepositoryStars
  lobehub / lobe-chat65454
  firecrawl / firecrawl56713
  FlowiseAI / Flowise43547
  chatchat-space / Langchain-Chatchat36071
  onlook-dev / onlook22447
  NixOS / nixpkgs21748
  anthropics / courses17057
  mastra-ai / mastra16484
  langfuse / langfuse16054
  promptfoo / promptfoo8350
  refly-ai / refly4654
  colanode / colanode3517
  VoltAgent / voltagent3210
  pingcap / autoflow2651
  sourcebot-dev / sourcebot2570
  alishobeiri / thread1098
  openops-cloud / openops939
  ai-hero-dev / ai-hero916
  xataio / agent857
  plastic-labs / tutor-gpt845
  trendy-design / llmchat829
  hotovo / aider-desk781
  wrtnlabs / autoview688
  i-am-alice / 3rd-devs472
  AIDotNet / koala-ai470
  inferablehq / inferable403
  FranciscoMoretti / sparka380
  ElectricCodeGuy / SupabaseAuthWithSSR370
  LibreChat-AI / librechat.ai339
  souzatharsis / tamingLLMs323
  Ozamatash / deep-research-mcp269
  iceener / ai186
  giselles-ai / giselle181
  celerforge / freenote171
  babelcloud / LLM-RGB164
  codecentric / c4-genai-suite152
  langfuse / langfuse-docs139
  langfuse / mcp-server-langfuse133
  mcp-use / mcp-use-ts125
  awslabs / backstage-plugins-for-aws122
  lucagrippa / obsidian-ai-tagger121
  cofacts / rumors-api119
  uiuc-kang-lab / cve-bench90
  cofacts / rumors-site90
  ChristophHandschuh / chatbot-ui85
  Future-House / LAB-Bench83
  langfuse / langfuse-js78
  empirical-run / appwright76
  Gerome-Elassaad / CodingIT73
  chokiproai / ChatGPT-Plugins72
  presidio-oss / specif-ai71
  indexnetwork / index69
  Davis-Media / weights-ai66
  tokens-studio / graph-engine62
  inf-monkeys / monkeys44
  filopedraz / kosuke-core43
  onesaitplatform / onesaitplatform-cloud29
  wosherco / bashbuddy29
  orsonteodoro / oiledmachine-overlay27
  monad-developers / AI-Werewolf26
  ntgussoni / clashofapps26
  promptfoo / promptfoo-action25
  microsoft / vscode-azureapicenter23
  checkly / srebot22
  minorun365 / aws-level-checker22
  find-xposed-magisk / lobe-chat21
  justUmen / Bjornulf_lobe-chat21
  ErickWendel / monitoring-llms-langfuse-ollama19
  Evobaso-J / ai-gitlab-code-review19
  hankchiutw / copilot-proxy17
  kalviumcommunity / compilerd17
  tubone24 / a2a_mastra16
  aws-samples / Cost_Effective_and_Scalable_Models_Inference_on_AWS_Graviton15
  langfuse / ai-chatbot14
  dmcquay / katas13
  huanshenyi / nextjs-mastra13
  clujhouse / a.place12
  lainra / claude-code-telemetry11
  the-answerai / theanswer11
  programmerraja / CallAgent11
  ColeMurray / swarmjs11
  0xinhua / joychat10

Generated using github-dependents-info, by Nicolas Vuillamy

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