The Pulse
Dynatrace Completes Its $915 Million Arize Acquisition
Dynatrace completed its acquisition of AI observability company Arize on October 1, 2026. Arize’s Phoenix and AX products will continue, while Dynatrace plans to integrate Arize capabilities over time.
AI.info Team · Written with AI ·
Dynatrace completed its acquisition of Arize on October 1, closing a deal the observability company announced in August at a headline value of $915 million. The purchase brings Arize’s AI tracing, evaluation and experimentation tools into Dynatrace’s broader platform for monitoring applications, infrastructure, user experiences and business processes.
The companies are positioning the combination around a problem that spans software development and operations: AI teams need to assess how models and agents behave, while reliability teams monitor the systems those applications run on. Dynatrace says the combined tools are intended to connect those views, from development and evaluation through production.
What the $915 million deal covers
Dynatrace announced the proposed acquisition on August 13. Its deal terms valued Arize at $915 million, subject to customary adjustments, with approximately $815 million in cash and replacement equity awards for Arize employees joining Dynatrace. The $915 million figure describes the announced transaction terms; Dynatrace’s completion announcement did not provide a revised final purchase price.
Arize develops tools for teams building and operating AI applications. Its open-source Phoenix platform supports tracing, evaluations, failure investigation and experiment comparisons; its managed Arize AX product provides AI observability and evaluation workflows for enterprise users. Those capabilities address model and agent behavior, while Dynatrace monitors the applications and infrastructure surrounding them.
Products stay available as integration begins
Dynatrace says Arize will continue supporting Phoenix and AX, and Phoenix will remain open source. The company says Arize capabilities will be integrated into Dynatrace over time, but the completion announcement does not set a timetable or describe a finished unified product. In a separate blog post, Dynatrace said the teams can now begin connecting their capabilities and that it will share updates as plans develop.
That distinction matters for existing users: the transaction closes, but the combined product experience is still ahead. Dynatrace’s announcement describes a goal of bringing AI evaluation together with production observability, including visibility into model and agent behavior alongside performance, cost and reliability across the broader environment.
Customers want visibility from testing to production
The acquisition announcement included support from a Dynatrace customer, TELUS, whose vice president of Platform Engineering Excellence, Steve Tannock, described the potential reach of the combined tools. “Together, the two technologies offer a modern approach with real potential to cover the full development lifecycle, from initial build through production.”
Dynatrace also quoted Stephen Elliot, IDC Group VP for Software Development and IT Operations, who said combining evaluation with observability could help teams catch problems earlier. The company’s stated case is that teams need to understand not only whether an AI system is available, but how it behaves and what outcomes it produces.
The integration work now starts
Closing gives Dynatrace and Arize the ability to begin integration, not proof that their products already operate as one. The completion announcement says Arize’s capabilities are expected to help developers test AI applications before launch and keep them dependable in production; it also says integration into Dynatrace will occur over time.
For now, Phoenix remains an open-source project, AX remains an Arize offering, and Dynatrace’s existing observability platform continues alongside them. The next concrete change for customers will depend on how the companies connect those products and when they announce specific integration plans.