WhyLabs
Enable MLOps with cloud-agnostic model monitoring via the WhyLabs AI Observability Platform.
Acquired WhyLabs
Acquired · January 2025
WhyLabs, the Seattle AI observability startup spun out of the Allen Institute for AI, struck an under-the-radar deal with Apple. A European Commission Digital Markets Act listing dated January 24, 2025 shows Apple gaining the right to hire certain WhyLabs employees and a perpetual licence to all WhyLabs intellectual property. Terms were undisclosed. The founders joined Apple, WhyLabs Inc. discontinued operations, and the full platform was open-sourced alongside whylogs and LangKit.
Acquired by Apple.
Is WhyLabs shut down?
Effectively, yes. WhyLabs was acquired by Apple and the standalone product was sunset on January 24, 2025. Its record is preserved in the ToolDirectory.AI graveyard, our hand-reviewed registry of AI tools that shut down or were acquired.
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Overview
Model Monitoring with the WhyLabs AI Observability Platform
WhyLabs is a cutting-edge platform designed to enable MLOps with a focus on model monitoring and data monitoring. The platform is cloud-agnostic, ensuring flexibility and scalability for businesses of all sizes. With WhyLabs, users can monitor both structured and unstructured data, as well as a wide range of ML models. The platform also offers the open standard for data logging, known as whylogs, which generates privacy-preserving dataset summaries. Additionally, LangKit is available to monitor and safeguard LLMs, providing essential guardrails, evaluations, and observability.
Acquisition note (January 2025): A European Commission DMA filing dated January 24, 2025 records Apple gaining the right to hire WhyLabs staff and a perpetual, irrevocable licence to its IP. GeekWire reported it publicly on September 15, 2025, by which point the founders were at Apple. WhyLabs has discontinued operations and open-sourced its whole platform; whylogs and LangKit continue as open-source projects.
Key Features:
- WhyLabs Observatory: Monitor structured or unstructured data and all ML models.
- whylogs: An open standard for data logging that generates privacy-preserving dataset summaries.
- LangKit: Safeguard and monitor LLMs with essential guardrails and evaluations.
- AI Observability: Monitor AI systems in various industries, including financial services, logistics, retail, and healthcare.
Ideal Use Case:
Businesses and organizations looking to ensure the reliability and efficiency of their AI models would benefit immensely from WhyLabs. The platform is especially useful for those who want to detect and mitigate risks in their AI applications, continuously monitor data quality, and identify model drifts.
Why use WhyLabs:
- Data Security: Integrate without moving or duplicating raw data, ensuring maximum privacy and security.
- Comprehensive Monitoring: Monitor predictive models, generative models, data pipelines, and feature stores.
- Enterprise-Grade Features: Offers features like RBAC, SAML SSO, API controls, and advanced trigger configurations.
- Powerful Monitoring Algorithms: Provides intelligent baselines and seasonal monitors.
tl;dr:
WhyLabs offers a comprehensive AI observability platform that enables MLOps with model and data monitoring. With features like whylogs and LangKit, businesses can ensure the reliability and efficiency of their AI models.
FAQ
Is WhyLabs still available? No, not as a commercial service. WhyLabs Inc. discontinued operations after Apple hired its founders and licensed its IP (EU filing dated January 24, 2025). The platform is now open source on GitHub (whylabs/whylabs-oss), along with whylogs and LangKit.
Q: What is WhyLabs? A: Enable MLOps with cloud-agnostic model monitoring via the WhyLabs AI Observability Platform.
Q: How is WhyLabs priced? A: Pricing varies by plan. Visit the WhyLabs pricing page for current tiers and details.
Q: What is WhyLabs best for? A: WhyLabs helps ML engineers and platform teams build, deploy, and scale AI infrastructure and pipelines.
Q: What are alternatives to WhyLabs? A: Top alternatives to WhyLabs include Grok, fal.ai, and Vercel AI SDK. Explore alternatives in the same category for more options.
Related
Looking for more options? Browse the AI Infrastructure directory or read our best AI infrastructure tools listicle. WhyLabs is also tracked on Crunchbase.
Why Use WhyLabs
