Market landscapes / Observability, Evaluation & Testing
LLM & Agent Observability companies
Tracing, monitoring and debugging LLM and agent systems once they are running. 9 of the 39 have been acquired, among the most anywhere on these maps. The observability platforms that already exist would rather buy this than build it.
Updated 12 October 2026
39 companies
9 acquired
18 hiring now
The rest of the Observability, Evaluation & Testing landscape
The full map, including the sub-sectors too small to list separately.
The whole Observability, Evaluation & Testing mapLLM Evaluation & Testing 53Agent Monitoring & Debugging 16
I am Ben Jackson. I map this market and I hire the commercial teams inside it: sales, marketing, product and delivery. If you are building a team in LLM & Agent Observability, here is how I work. The whole market in numbers.