Tracked subprocessors 14 Subprocessor of 38 Third parties loaded 12 Loaded by 0
+ − ⟲
Not loaded by any published homepage.
14 third parties.
Name Purpose Location Listed since Amazon Web Services Cloud provider US, EU Oct 1, 2026 Anthropic AI Inference US Oct 1, 2026 Baseten AI Cloud provider; Inference provider for AI features US, EU Oct 1, 2026 Clerk Authentication US Oct 1, 2026 Cloudflare Cloud services US Oct 1, 2026 Datadog Event monitoring US Oct 1, 2026 Fireworks AI AI Cloud provider; Inference services for Topics feature. US, EU Oct 1, 2026 Google Cloud Inference US Oct 1, 2026 OpenAI AI Inference US Oct 1, 2026 Sentry Application monitoring US Oct 1, 2026 Supabase Cloud provider US Oct 1, 2026 TypeSafe AI Engineering US Oct 1, 2026 Upstash Cloud data storage US Oct 1, 2026 Vercel Cloud Provider US Oct 1, 2026
Braintrust's homepage made 260 requests to 22 domains, 12 services controlled by another company, and 1 domain not identified.
Analytics (4): Segment, LinkedIn, Meta, Unify Advertising (3): Google Cloud, X Corp., Reddit, Inc. Marketing automation (1): GetVector, Inc. Other (4): reviewed as Authentication: Clerk; Form builders: Default; usually detected as Issue trackers: Sentry; RUM: Datadog 12 third parties by category: 4 3 1 4
Third parties 12 · 92 requests
Datadog subprocessor Datadog 12% of the page's requests 30 Clerk subprocessor clerk.com 5% of the page's requests 12 GetVector, Inc. Vector 4% of the page's requests 11
Google Cloud subprocessor DoubleClick Floodlight Google Analytics Google Tag Manager 4% of the page's requests 10 Default Default (default.com) 3% of the page's requests 8 Segment Amplitude Segment 1.84.3 3% of the page's requests 7 LinkedIn Linkedin Insight Tag 1% of the page's requests 3 Meta Facebook Pixel 2.9.435 1% of the page's requests 3 X Corp. Twitter Ads 1% of the page's requests 3
Reddit, Inc. Reddit Ads <1% of the page's requests 2
Unify Unify <1% of the page's requests 2 Sentry subprocessor sentry.io <1% of the page's requests 1 Unknown 1 · 1 request
usbrowserspeed.com
First party 1 · 167 requests
Braintrust Clerk 6.41.0 Framer Motion HSTS LottieFiles Lucide Next.js 16.4.3 Next.js App Router Open Graph Priority Hints Radix UI React Sentry Turbopack Vercel Webpack core-js 3.6.5 64% of the page's requests 167
5 tracked companies loaded by the homepage are not in Braintrust's subprocessor list. A website can use a service without it processing customer data.
38 companies
Acai Travel acaitravel.com Acrolinx acrolinx.com LLM observability and optimisation Arcade arcade.software AI observability and evaluation, including storage and analysis of prompts, outputs, traces, and evaluation datasets. Not used for Enterprise workspaces.; Artificial intelligence Ashby ashbyhq.com AI Observability & Evaluation Avoma avoma.com AI Observability Platform Blacksmith blacksmith.sh LLM-trace observability Carta carta.com AI tool that monitors and evaluates model outputs Circle circle.so AI evaluation; Evaluates and monitors AI feature performance using sample inputs and outputs. Clay clay.com LLM Operations DataCamp datacamp.com AI monitoring / observability; AI monitoring and evaluation, model performance tooling, and observability Day AI day.ai AI monitoring Descript descript.com Dialpad dialpad.com AI, ML & Speech Drata drata.com [Opt-in] If AI-powered features are enabled by the Customer in the platform, Braintrust (braintrust.dev) provides an AI observability and evaluation platform that enables Drata to log, monitor, and evaluate AI workflows (such as prompts, model outputs, and tool calls). Drata uses Braintrust to run experiments and evaluations on AI features, detect quality or regression issues, and improve the reliability, safety, and performance of AI functionality. Expensify expensify.com AI Features; Monitoring and Obversability Frigade frigade.com Logging Granola grano.la AI Processing & Transcription; Purpose of processing – Evaluate and test AI performance Hosting location – United States Entity address – 548 Market St, PMB 96611, San Francisco, CA 94104, USA Compliance measures – [Braintrust Security & Compliance]( Honeycomb honeycomb.io User Experience Analytics Levenza levenza.com Evaluation and model testing infrastructure Linear linear.app Artificial intelligence Lorikeet lorikeetcx.ai Lovable lovable.dev LLM evaluation and tracing. Stores prompts and responses. Magic School magicschool.ai AI Evaluation, Observability, and Monitoring Platform Mixpanel mixpanel.com Braintrust provides services that support artificial intelligence features in our Application Services. Braintrust is used for monitoring and analyzing AI interactions and system behavior, to debug and improve the quality, reliability, and safety of our responses. Braintrust processes Personal Information on behalf of Mixpanel to the extent necessary to provide these services, but it is not used to train any artificial intelligence models.; Mixpanel’s AI-supported features may be disabled based on Customer selections. OptiSigns optisigns.com AI Observability Parahelp parahelp.com Model evaluation and experimentation Productboard productboard.com AI evaluation and observability Pylon usepylon.com AI Monitoring QA Wolf qawolf.com Braintrust provides AI observability, evaluation, and monitoring for LLM behavior and performance. Rev rev.com AI logging and evaluation platform Rootly rootly.com AI functionality: LLM request routing, tracing, and evaluation Sanity sanity.io We rely on Braintrust to help evaluate and improve the quality of our AI integrations through the anonymized analysis of logs. Scratchpad scratchpad.com Product and design Serval serval.com AI/LLM observability, tracing, evaluation Steep steep.app AI services (optional) Supabase supabase.com Provision of monitoring and tracing Tella tella.tv To provide AI evaluation, logging, and prompt management for Tella. Workleap workleap.com AI observability and evaluation; All Products and Workleap AI and AI Features Certified Says it complies with Certifications as Braintrust's trust center lists them; reports are usually shared on request (evidence )
Aug 15: no incident reported Aug 16: no incident reported Aug 17: no incident reported Aug 18: no incident reported Aug 19: 1 incident (1 no impact stated) Aug 20: no incident reported Aug 21: no incident reported Aug 22: no incident reported Aug 23: no incident reported Aug 24: no incident reported Aug 25: no incident reported Aug 26: no incident reported Aug 27: no incident reported Aug 28: 3 incidents (3 major) Aug 29: no incident reported Aug 30: no incident reported Aug 31: no incident reported Sep 1: no incident reported Sep 2: no incident reported Sep 3: no incident reported Sep 4: 1 incident (1 major) Sep 5: no incident reported Sep 6: no incident reported Sep 7: no incident reported Sep 8: no incident reported Sep 9: 1 incident (1 major) Sep 10: no incident reported Sep 11: no incident reported Sep 12: no incident reported Sep 13: no incident reported Sep 14: no incident reported Sep 15: no incident reported Sep 16: no incident reported Sep 17: no incident reported Sep 18: no incident reported Sep 19: no incident reported Sep 20: no incident reported Sep 21: no incident reported Sep 22: no incident reported Sep 23: no incident reported Sep 24: no incident reported Sep 25: no incident reported Sep 26: no incident reported Sep 27: no incident reported Sep 28: no incident reported Sep 29: no incident reported Sep 30: 1 incident (1 major) Oct 1: no incident reported Oct 2: no incident reported Oct 3: no incident reported Oct 4: no incident reported Oct 5: no incident reported Oct 6: no incident reported Oct 7: no incident reported Oct 8: no incident reported Oct 9: no incident reported Oct 10: no incident reported Oct 11: no incident reported Oct 12: no incident reported Oct 13: no incident reported Oct 14: no incident reported Oct 15: no incident reported Oct 16: no incident reported Oct 17: no incident reported Oct 18: no incident reported Oct 19: no incident reported Oct 20: no incident reported Oct 21: no incident reported Oct 22: no incident reported Oct 23: no incident reported Oct 24: no incident reported Oct 25: no incident reported Oct 26: no incident reported Oct 27: no incident reported Oct 28: no incident reported Oct 29: no incident reported Oct 30: no incident reported Oct 31: no incident reported Nov 1: no incident reported Nov 2: no incident reported Nov 3: no incident reported Nov 4: no incident reported Nov 5: no incident reported Nov 6: no incident reported Nov 7: no incident reported Nov 8: no incident reported Nov 9: no incident reported Nov 10: no incident reported Nov 11: no incident reported Nov 12: no incident reported 90 days ago today
7 incidents in 90 days6 major or critical1 h 18 min typical time to resolve1 h 18 min longest majorIncidents per month 0 3 6 Feb 2026: 3 incidents (1 critical, 2 minor) · partial: our history begins Feb 15 · typical time to resolve 1 h 42 min Mar 2026: 6 incidents (2 critical, 4 major) · typical time to resolve 31 min Apr 2026: 3 incidents (3 critical) · typical time to resolve 15 min May 2026: 2 incidents (2 major) · typical time to resolve 47 min Jun 2026: 3 incidents (1 critical, 1 major, 1 minor) · typical time to resolve 1 min Jul 2026: 1 incident (1 critical) · typical time to resolve 28 min Aug 2026: 5 incidents (4 major, 1 no impact stated) · typical time to resolve 4 h 33 min Sep 2026: 3 incidents (3 major) · typical time to resolve 39 min Oct 2026: 0 incidents Nov 2026: 0 incidents Feb 2026 Mar Apr May Jun Jul Aug Sep Oct Nov critical major minor no impact stated before or partly before our history
As Braintrust's status page reports its own incidents (scheduled maintenance left out), read every few hours since Feb 15, 2026 (evidence )
175 reported incidents in the last 30 days, by 10 of the vendors Braintrust lists as subprocessors.
A subprocessor list names a company, not the service an incident touched. This does not show that Braintrust was involved.
Date Company Incident Impact Lasted Nov 12, 2026 Service Degradation for GLM 5.3 Fast minor 30 min Nov 11, 2026 Unable to start new Workspace Agent runs critical ongoing Nov 11, 2026 Service Degradation for Kimi K3.1 Pro minor 2 min Nov 11, 2026 Elevated errors affecting logins, sign-ups, and ChatGPT features minor 8 min Nov 11, 2026 US issues feed throwing intermittent errors minor 51 min Nov 11, 2026 Model APIs are down for all models critical 21 min Nov 11, 2026 Project Lifecycle Issues in ap-northeast-1 minor 4 h 48 min Nov 11, 2026 Service Degradation for GLM 5.3 minor 24 min Nov 11, 2026 Account emails not being delivered major 42 min Nov 11, 2026 Service Degradation for DeepSeek V4.1 Flash 1017 minor 1 h 25 min Nov 10, 2026 Elevated errors on Fable 52 and Mythos 52 no impact stated 1 min Nov 10, 2026 EU region replay ingestion latency minor 48 min Nov 10, 2026 Elevated Sandbox and Blob request latency and errors minor 1 min Nov 10, 2026 Service Degradation for Kimi K3 minor ongoing Nov 10, 2026 Service Degradation for Kimi K3 US minor 1 h 5 min Nov 10, 2026 Incorrect cost data in Costs API exports no impact stated 2 h 20 min Nov 9, 2026 Elevated Errors On API minor 42 min Nov 9, 2026 Elevated ChatGPT Conversation Errors minor 52 min Nov 8, 2026 Elevated errors with image generation minor 1 h 49 min Nov 8, 2026 Interruption in connections to Supavisor in eu-west-2 no impact stated 1 h 41 min Nov 8, 2026 Degraded performance for Claude Fable 5.1 minor 26 min Nov 8, 2026 Service Degradation for Qwen 3.8 Max minor 3 min Nov 7, 2026 Service Degradation for GLM 5.3 Fast minor 14 min Nov 7, 2026 Service Degradation for GLM 5.3 Fast minor 10 min Nov 7, 2026 Service Degradation for GLM 5.3 Flash US minor 24 min
And 150 more. All of them: CSV · Who is around them .
See the list as we read it on any date: Time machine
None since tracking began.
BraintrustAcai Travel acaitravel.com
Acrolinx acrolinx.com LLM observability and optimisation
Arcade arcade.software AI observability and evaluation, including storage and analysis of prompts, outputs, traces, and evaluation datasets. Not used for Enterprise workspaces.; Artificial intelligence
Ashby ashbyhq.com AI Observability & Evaluation
Avoma avoma.com AI Observability Platform
Blacksmith blacksmith.sh LLM-trace observability
Carta carta.com AI tool that monitors and evaluates model outputs
Circle circle.so AI evaluation; Evaluates and monitors AI feature performance using sample inputs and outputs.
Clay clay.com LLM Operations
DataCamp datacamp.com AI monitoring / observability; AI monitoring and evaluation, model performance tooling, and observability
Day AI day.ai AI monitoring
Descript descript.com
Dialpad dialpad.com AI, ML & Speech
Drata drata.com [Opt-in] If AI-powered features are enabled by the Customer in the platform, Braintrust (braintrust.dev) provides an AI observability and evaluation platform that enables Drata to log, monitor, and evaluate AI workflows (such as prompts, model outputs, and tool calls). Drata uses Braintrust to run experiments and evaluations on AI features, detect quality or regression issues, and improve the reliability, safety, and performance of AI functionality.
Expensify expensify.com AI Features; Monitoring and Obversability
Frigade frigade.com Logging
Granola grano.la AI Processing & Transcription; Purpose of processing – Evaluate and test AI performance Hosting location – United States Entity address – 548 Market St, PMB 96611, San Francisco, CA 94104, USA Compliance measures – [Braintrust Security & Compliance](
Honeycomb honeycomb.io User Experience Analytics
Levenza levenza.com Evaluation and model testing infrastructure
Linear linear.app Artificial intelligence
Lorikeet lorikeetcx.ai
Lovable lovable.dev LLM evaluation and tracing. Stores prompts and responses.
Magic School magicschool.ai AI Evaluation, Observability, and Monitoring Platform
Mixpanel mixpanel.com Braintrust provides services that support artificial intelligence features in our Application Services. Braintrust is used for monitoring and analyzing AI interactions and system behavior, to debug and improve the quality, reliability, and safety of our responses. Braintrust processes Personal Information on behalf of Mixpanel to the extent necessary to provide these services, but it is not used to train any artificial intelligence models.; Mixpanel’s AI-supported features may be disabled based on Customer selections.
OptiSigns optisigns.com AI Observability
Parahelp parahelp.com Model evaluation and experimentation
Productboard productboard.com AI evaluation and observability
Pylon usepylon.com AI Monitoring
QA Wolf qawolf.com Braintrust provides AI observability, evaluation, and monitoring for LLM behavior and performance.
Rev rev.com AI logging and evaluation platform
Rootly rootly.com AI functionality: LLM request routing, tracing, and evaluation
Sanity sanity.io We rely on Braintrust to help evaluate and improve the quality of our AI integrations through the anonymized analysis of logs.
Scratchpad scratchpad.com Product and design
Serval serval.com AI/LLM observability, tracing, evaluation
Steep steep.app AI services (optional)
Supabase supabase.com Provision of monitoring and tracing
Tella tella.tv To provide AI evaluation, logging, and prompt management for Tella.
Workleap workleap.com AI observability and evaluation; All Products and Workleap AI and AI Features
