Price changes & vendor news

Dynatrace completes Arize acquisitionacquisition

Arize will keep supporting Phoenix (open source) and AX; capabilities will be integrated into Dynatrace over time.

Arize · Sources: Dynatrace press release

Dynatrace agrees to acquire Arize for $915Macquisition

Cash-and-stock deal for the AI observability company behind Arize AX and open-source Phoenix.

Arize · Sources: Dynatrace press release

Cisco announces Smartlook end-of-sale and end-of-lifeshutdown

End of Sale 31 May 2026; no renewals or expansions after 31 Aug 2026; last day of support 31 Aug 2027; platform decommissioned and data deleted 30 Sep 2027. Customers are pointed to Splunk Observability Cloud RUM + DXA, with no data migration.

Smartlook · Sources: Cisco EoS/EoL bulletin, Smartlook 'Future of Smartlook' FAQ

Laminar raises $3M seedfunding

Seed round led by Atlantic.vc with Y Combinator and AAL.vc, to build observability for long-running agents.

Laminar · Sources: Laminar blog, Tech.eu

Mintlify acquires Heliconeacquisition

Helicone's founders join Mintlify in San Francisco. Mintlify will use Helicone's gateway and observability tech inside its own AI products.

Helicone · Sources: Mintlify blog, Helicone blog

Helicone moves into maintenance modemaintenance-mode

Helicone says its services remain live for the foreseeable future in maintenance mode: security updates, new models and bug/performance fixes continue, but no new features. No shutdown date has been announced.

Helicone · Sources: Helicone blog, Helicone on LinkedIn

Braintrust raises $80M Series B led by ICONIQfunding

Braintrust raised $80M to build out its observability layer for production AI.

Braintrust · Sources: Braintrust blog

ClickHouse acquires Langfuseacquisition

Announced alongside ClickHouse's $400M Series D. Langfuse stays open source (MIT core) and self-hostable; Langfuse Cloud continues with the same product, endpoints and SLAs.

Langfuse · Sources: ClickHouse blog, Langfuse blog, Reuters

Amplitude acquires InfiniGrow (AI marketing/revenue analytics)acquisition

Amplitude acquired InfiniGrow to add AI-powered marketing and revenue analytics to its platform.

Amplitude · Sources: Amplitude press release

All vendorsbaseline

Initial pricing snapshots captured for 18 vendors. Future refreshes append detected changes here.