LangWatch

Ship quality Agentic AI at scaleTurn production traces into evals, compare prompts and models, simulate end-to-end agentic systems and improve quality with every release.Get StartedDeploy Self-HostedTracesEvaluationsAgent SimulationsPrompt ManagementCollaborationAuto-prompt optimizationJoin 1000's of AI developers using LangWatch to ship complex AI reliably780k+Monthly installs900k+Daily evaluations to prevent hallucinations5,6k+Total Github starsPrototype, evaluate and monitor AI features1Build2Evaluate3Deploy4Monitor5OptimizeShip Reliable AIThere’s a better way to ship reliable AIAI agents can break or behaves differently in production, a model swap can degrade quality, an or a prompt change introduces regressions. Without structured evaluations and simulations, teams are relying on manual checks and production feedback to catch issues.LangWatch provides a developer-first, but collaborative platform to define evals, run experiments, simulate multi-step agent behavior, and monitor production signals, so changes to prompts, models, or agents can be tested and validated before they ship.Book a demoEvaluating RAG qualityTesting Multimodal (Voice) AgentsTest Multi-turn ConversationsEnsure agents use the right tools for simulationsMonitorEssential tools to develop agents faster and saferPrompt & Model ManagementVersion, compare, and deploy prompt and model changes with full traceability. Roll out experiments safely using feature-flag–style controls, with clear audit trails for every change.Real-time EvaluationsCreate and tune custom evals that measure quality specific to your product real-timeLLM ObservabilityInstantly search and inspect any LLM interaction across environments. Debug failures, investigate incidents, and support audits with complete visibility from development through production.Book a demoTest, Evaluate & SimulateMeasure the impact of every updateAgent Simulations for complex agentic AIRun thousands of synthetic conversations across scenarios, languages, and edge casesBatch Tests & ExperimentsRun tests directly from the LangWatch platform or your code. Track the impact of every change across prompts and agent pipelines.Auto-EvalsAutomatically execute your full test suite with LangWatch, covering both pre-release testing and production monitoring.Book a demoImproveImprove your AI agents based on evals, simulations and human feedbackData review & labelingCollaborative workflows for teams to inspect, annotate, and analyze data together spotting patterns and sharing learnings across engineering, product, and business stakeholders.Dataset managementConvert production traces into reusable test cases, golden datasets, and benchmarks to power experiments, regressions, and fine-tuning.Performance optimization with DSPySystematically improve prompts, models, and pipelines using structured experimentation and optimization techniquesBook a demoAmit HuliHead of AI - Roojoom“When I saw LangWatch for the first time, it reminded me of how we used to evaluate models in classic machine learning. I knew this was exactly what we needed to maintain our high standards at enterprise scale"Amit HuliDavid NicolCTO - Productive Healthy Work LivesHaving evaluated numerous platforms, LangWatch was the only one that meaningfully resolved our quality gaps. The difference has been substantialDavid NicolLane CunmminghamVP engineering - GetGenetica - Flora AI“LangWatch has brought us our monitoring and evaluations with an intuitive analytics dashboard. The Optimization Studio with DSPy brings the kind of progress we were hoping for as a partner."Lane CunmminghamKjeld OAI Architect, Entropical AI agency"I’ve seen a lot of LLMops tools and LangWatch is solving a problem that everyone building with AI will have when going to production. The best part is their product is so easy to use."Kjeld OAmit HuliHead of AI - Roojoom“When I saw LangWatch for the first time, it reminded me of how we used to evaluate models in classic machine learning. I knew this was exactly what we needed to maintain our high standards at enterprise scale"Amit HuliDavid NicolCTO - Productive Healthy Work LivesHaving evaluated numerous platforms, LangWatch was the only one that meaningfully resolved our quality gaps. The difference has been substantialDavid NicolLane CunmminghamVP engineering - GetGenetica - Flora AI“LangWatch has brought us our monitoring and evaluations with an intuitive analytics dashboard. The Optimization Studio with DSPy brings the kind of progress we were hoping for as a partner."Lane CunmminghamKjeld OAI Architect, Entropical AI agency"I’ve seen a lot of LLMops tools and LangWatch is solving a problem that everyone building with AI will have when going to production. The best part is their product is so easy to use."Kjeld OAmit HuliHead of AI - Roojoom“When I saw LangWatch for the first time, it reminded me of how we used to evaluate models in classic machine learning. I knew this was exactly what we needed to maintain our high standards at enterprise scale"Amit HuliDavid NicolCTO - Productive Healthy Work LivesHaving evaluated numerous platforms, LangWatch was the only one that meaningfully resolved our quality gaps. The difference has been substantialDavid NicolLane CunmminghamVP engineering - GetGenetica - Flora AI“LangWatch has brought us our monitoring and evaluations with an intuitive analytics dashboard. The Optimization Studio with DSPy brings the kind of progress we were hoping for as a partner."Lane CunmminghamKjeld OAI Architect, Entropical AI agency"I’ve seen a lot of LLMops tools and LangWatch is solving a problem that everyone building with AI will have when going to production. The best part is their product is so easy to use."Kjeld OAmit HuliHead of AI - Roojoom“When I saw LangWatch for the first time, it reminded me of how we used to evaluate models in classic machine learning. I knew this was exactly what we needed to maintain our high standards at enterprise scale"Amit HuliDavid NicolCTO - Productive Healthy Work LivesHaving evaluated numerous platforms, LangWatch was the only one that meaningfully resolved our quality gaps. The difference has been substantialDavid NicolLane CunmminghamVP engineering - GetGenetica - Flora AI“LangWatch has brought us our monitoring and evaluations with an intuitive analytics dashboard. The Optimization Studio with DSPy brings the kind of progress we were hoping for as a partner."Lane CunmminghamKjeld OAI Architect, Entropical AI agency"I’ve seen a lot of LLMops tools and LangWatch is solving a problem that everyone building with AI will have when going to production. The best part is their product is so easy to use."Kjeld OSeamless integration in your techstackWorks with any LLM or agent frameworkOpenTelemetry native, integrates with all models & AI agent frameworksEvaluations and Agent Simulations running on your existing testing infraFully open-source; run locally or self-hostNo data lock-in, export any data you need and interop with the rest of your stackRead integration docsBook a demopythonTypescriptuv add langwatchCollaborate to control reliable AIHand-off Evals from engineers to PM'sEngineers control the results in production, PM's / Domain experts or CEO's define the good or bad scenario's EngineerAccess everything in just a few lines of code. Everything in LangWatch works with or without your code. Engineers are able to run prompts, flows, and evaluations programmatically, while non-technical users can use the UI.Data ScientistProduct ManagerDomain ExpertsEnterprise-grade controls:Your data, your rulesOn-prem, VPC, air-gapped or hybridISO27001, SOC2 certified. GDPR controlledRole-based access controlsUse custom models& integrate via APIBook a demoFAQFrequently Asked QuestionsHow does LangWatch work?What is LLM observability?What are LLM evaluations?Is LangWatch self-hosted available?How does LangWatch compare to Langfuse or LangSmith?What models and frameworks does LangWatch support and how do I integrate?Can I try LangWatch for free?How does LangWatch handle security and compliance?How can I contribute to the project?Ship agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the Netherlands --- PricingPredictable pricing,designed to scaleFlexible & risk-free pricingGet started on the Developer plan for free. No credit card required.Prefer full control? Go self-managed.LangWatch CloudSelf-ManagedDeveloperFree Get started with AI Agentmonitoring, evaluation& agent simulationsGet StartedAll platform features50,000 logs p/m14 days data access2 users3 Scenario's, 3 Simulations & 3 custom evaluationsCommunity Support(Github & Discord)Growth/core-seat/monthEvals, prompts, and agents, one place. CI/CD for engineers, collaboration for PMs.Try for FreeAll platform featuresEverything in Developer200,000 events included+ €0,0005 per event30 days data retention included+ custom retention (€3/GB)Above 20 users: volume discount available)Unlimited lite-usersUnlimited eval scores, simulations & promptsMultiple users: Private Slack / Teams support - awesome support team!Enterprise / Regulated Premium support with on-prem or hosted deployment for high volume or privacy-sensitive data.CustomTalk to SalesAlternative hosting options; hybrid, self-hosted, on-premCustom data retentionCustom SSO / RBACAudit logsUptime & Support SLAISO27001 reports InfoSec/legal reviewsCustom Terms, DPAForward Deployed EngineerBilling via AWS, Google, Azure MarketplaceRene WilbersLead AI Adesso"Our partnership with LangWatch enables us to integrate their powerful product into our GenAI solutions, allowing us to deliver safe, traceable, and optimized LLM-based products to our clients."Rene WilbersJoin 1000's of AI developers using LangWatch to ship complex AI reliablyJoin 1000's of AI developers using LangWatch to ship complex AI reliablyJoin 1000's of AI developers using LangWatch to ship complex AI reliably DeveloperGet StartedGrowthTry for FreeEnterpriseTalk to an ExpertObservabilityTraces & Graphs (Agents) DebuggingThreads Tracking (Conversations/Sessions/Users)Multi-agent graphsCost and Token TrackingAny Framework IntegrationsSDKs (Python, Typescript)OpenTelemetry (Java, Go, custom)Custom metrics / dashboardsIncluded Usage50,000 logs200,000 logsCustomAdditional UsageXpay as you go: $0,0006 per eventVolume discountRetention14 days30 daysCustomStorageIncl GBEvaluationsAgent Simulations Offline Evaluation(CI/CD, Notebooks and Workflows Experimentation)Online, real-time evaluationsEvaluations via UI / platformWrite scenario's in code / on platformCustom Experiments (via SDK)External Evaluation PipelinesLLM-as-judge Evals, code evals, session avalsBuild your own Eval DevelopmentPrompt management, versioning controlAuto-Building Datasets(from real-time trace filters and automated LLM evaluations)Replay prompt trace in playgroundMulti-prompt comparissonPrompt learning (PL) optimization (DSPy)Trace searchPrompt catching, playground viewsLangWatch SafeguardsJailbreaking / Prompt InjectionBusiness Sensitive evaluationPII detection and auto-redactionCompetitor blocklist, off-topic evaluationContent ModerationCustom GuardrailsLearn: Monitor & AnalyzeUser-Analytics, Topic Detection, Sentiment Analysis, FeedbackBuild custom graphs on any metric available in the platformTracking functional KPIs, allowing stakeholders to visualize performance metrics in real timeTrend analysis and performance benchmarkingDetailed tracking of costs including per-request costs and overall operational expensesCollaborationProjects1UnlimitedUnlimitedUsers220 (volume discount after)CustomAPIExtensive Public APISupportCommunity (GitHub, Discord)Chat & EmailPrivate Slack/Teams ChannelDedicated Solution EngineerArchitectual GuidanceSecurity & ComplianceSupport SLASSO via Google, AzureAD, GitHub (Microsoft)RBAC (Organisation, project, teams)Enterprise SSO (Okta, AzureAD/EntraID)SSO EnforcementData Retention ManagementAudit LogsData RegionEUEUEU/US/CA/APACPayment MethodsCredit cardCredit cardCredit card, InvoiceContract DurationMonthlyMonthly / YearlyCustomBilling via AWS or Azure MarketplaceContractsStandard T&CsStandard T&CsStandard T&CsGDPRISO27001 ReportsInfoSec / Legal ReviewEnterprise-grade controls:Your data, your rulesEnterprise-grade controls:Your data, your rulesSelf-hosted or Hybrid deploymentSelf-hosted or Hybrid deploymentGDPR ComplianceRole-based access controlsUse custom models& integrate via APIFAQFrequently Asked QuestionsFrequently Asked QuestionsWill costs increase significantly as usage grows?Will costs increase significantly as usage grows?Why does LangWatch price around seats and events?Why does LangWatch price around seats and events?What’s the easiest way to try LangWatch?What’s the easiest way to try LangWatch?What is a billable event in LangWatch?What is a billable event in LangWatch?Is LangWatch self-hosted available?Is LangWatch self-hosted available?Where is the data stored?Where is the data stored?Can I request changes to the contracts / terms?Can I request changes to the contracts / terms?How does LangWatch handle security and compliance?How does LangWatch handle security and compliance?Can my security team access penetration test, architecture, and ISO 27001 reports?“Can my security team access penetration test, architecture, and ISO 27001 reports?“Ship agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingShip agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingShip agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the Netherlands --- About usWe help AI teams get their agents safely to productionLangWatch provides the AI agent engineering platform and open source frameworks developers need to ship reliable agents.LangWatch provides the AI agent engineering platform and open source frameworks developers need to ship reliable agents.From the foundersWhy we started LangWatchWhy we started LangWatchWe started LangWatch because we both experienced the same challenge from very different angles: while everyone talks about AI, turning it into real, reliable value is still incredibly hard. Manouk felt this firsthand as a non-technical founder building AI-driven products, the lack of clarity, predictability, and confidence around AI made even simple decisions difficult. Rogerio saw the same problem inside Booking.com, where building AI applications at scale exposed how fragile, opaque, and hard to test AI systems really are.AI has enormous potential, but most companies still struggle to make it work in production. We built LangWatch to change that — to give teams the visibility, testing, and confidence they need to ship AI products that actually perform.Link with Manouk DraismaLink with Rogerio ChavesOur MissionOur mission is simple: make AI reliable enough that companies can focus on strategy and creativity, while we help ensure their AI behaves as expected and delivers real value.We’re building the reliability layer that lets teams ship AI agents with confidence, whether they’re reasoning across long conversations, coordinating complex workflows, or operating through voice.Modern agents fail in ways that are subtle and hard to predict. LangWatch gives teams a way to uncover those failures before they reach customers: realistic simulations, automated evaluations, deep observability, and guardrails that surface regressions early.By bringing testing, evaluation, and production-grade monitoring into one platform, LangWatch helps AI teams move quickly without compromising trust or safety. From fast-moving startups to enterprise AI products, teams rely on LangWatch to ensure agents behave consistently, recover gracefully, and deliver reliably in every context.LangWatch is where agent reliability is engineered, not hoped for.Things we feel are importantThings we feel are importantLet’s make it about the customerLet’s make it happenLet’s make it togetherLet’s automate and scale through leverage.Let’s ship today, because tomorrow will bring new challengesCareersJoin usAre you passionate about building the future of AI? At LangWatch, we’re a team of builders, AI experts, and innovators focused on making AI systems more reliable and impactful. Coming with a wealth of knowledge from companies like:Ship agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingShip agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingShip agents with confidence, not crossed fingersGet up and running with LangWatch in as little as 5 minutes.Start ShippingAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the Netherlands --- Enterprise LLMops withAgent SimulationsThe leading AI reliability layer for Enterprise agentic testingacross cloud, hybrid or on-prem deployments with built-in security and data controlsBook a demoEnterprise LLMops platform withAgent SimulationsLeading AI reliability layer for Enterprise agentic testingBook a demoJoin 1000's of AI developers using LangWatch to ship complex AI reliablyJoin 1000's of AI developers using LangWatch to ship complex AI reliablyJoin 1000's of AI developers using LangWatch to ship complex AI reliablyEnterprise-ready. Proven at scale.Stay in chargeYou’ve tested your agent on a handful of scenarios manually, a great start, but real users will push it in unexpected ways, so ship with confidence using simulations, prompt/model/app versioning, rollbacks, and live tracing with dashboardsBuild, ship and test 10x fasterStop relying on internal teams to “try and break” your POC. Use thousands of simulations to stress-test your agents in minutes.CollaborationWork as one team. Let engineering, product, data teams, and domain experts shape prompts, review outputs, and annotate failures. Role-based workflows. Building reliable AI is a collaborative processEnterprise commitmentAll sensitive data remains inside your environment, cloud, VPC, or on-prem. RBAC/custom SSO/audit logs, data residency options, and on-prem deployments so security and compliance will say yes!Maximum control of your LLM-apps and AI agentsMaximum control of your LLM-apps and AI agentsGain full control over every step in your AI pipeline, inputs, outputs, intermediate calls, and decisions. Trace, debug, and optimize model behavior, tool invocations, and agent reasoning with precision. Troubleshoot faster, ship with confidence.Book a Demo123456789import langwatchlangwatch.setup( instrumentors=[AIInstrumentor()])@langwatch.trace()def main(): ...How it worksComplete LLMops platform - from POC to Prod reliablyScenario's - Agent SimulationsAgent simulations let you pressure-test your agent across hundreds of realistic scenarios—far beyond what manual checks can cover, so failures surface before users ever see themLLM EvaluationsDebugging and ObservabilityPrompt Management & DSPy12345678910script: [ user("help me with billing"), agent("Sure, how can I help?"), user(), agent(), (state) => expect( state.hasToolCall("get_billing_details") ).toBe(true), judge(),],12345678910script: [ user("help me with billing"), agent("Sure, how can I help?"), user(), agent(), (state) => expect( state.hasToolCall("get_billing_details") ).toBe(true), judge(),],Enterprise-grade security for mission-critical AIEnterprise-grade security for mission-critical AIRole-based access control, org, project and user-levelOn-premise and exclusive data instances Model Agnostic; Whether it's open or closed source.SOC2, ISO certified, highest security standardsBook a demoTrust CenterFramework FlexibleSeamless integration in your enterprise tech stackSeamless integration in your enterprise tech stackOpenTelemetry nativeStrong integrations with all hyper-scalers, AWS BedRock, Microsoft Azure, Google ADK and more..Self-Hosting incl architecture guiding, onboarding and support.No data lock-in, export any data you need and interop with the rest of your stackTalk to uspythonTypescriptuv add langwatchpythonTypescriptuv add langwatchHow it worksComplete LLMops platform - from POC to Prod reliablyScenario's - Agent SimulationsAgent simulations let you pressure-test your agent across hundreds of realistic scenarios—far beyond what manual checks can cover, so failures surface before users ever see themLLM EvaluationsDebugging and ObservabilityPrompt Management & DSPyScenario's - Agent SimulationsAgent simulations let you pressure-test your agent across hundreds of realistic scenarios—far beyond what manual checks can cover, so failures surface before users ever see themLLM EvaluationsDebugging and ObservabilityPrompt Management & DSPyRene WilbersTeam Lead AI / Data Science @ Adesso"Our partnership with LangWatch enables us to integrate their powerful product into our GenAI solutions, allowing us to deliver safe, traceable, and optimized LLM-based products to our clients."Rene WilbersHow it worksComplete LLMops platform - from POC to Prod reliablyControl and ship your AI AgentsLearn how enterprise AI teams deploy AI with confidence at scale.Talk to our expertsControl and ship your AI AgentsLearn how enterprise AI teams deploy AI with confidence at scale.Talk to our expertsControl and ship your AI AgentsLearn how enterprise AI teams deploy AI with confidence at scale.Talk to our expertsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the NetherlandsAll services onlineImprove your evals game every week - Get LLMOps tipsExplore AI SummaryPlatformAgentic AI TestingLLM EvaluationLLM ObservabilityPrompt ManagementPricingFeature ComparisonResourcesDocsBlogEvals Training for your teamSDKsSwitch from LangFuseSwitch from BraintrustSwitch from LangSmithSwitch from ArizeSwitch from HumanloopBetter Agents ManifestoLLM.txtIntegrationsPython SDKJS/TS SDKOpen TelemetryOpenAI agentsLiteLLMDSPyLangGraphLangChainPydantic AIAWS BedRockAgnoCrew AIOther FrameworksAboutCareersContactPrivacy policyISO 27001 / SOC2Trust Center©LangWatch ﹒ Terms & conditions ﹒ Built in: Amsterdam, the Netherlands