Market landscapes / Observability, Evaluation & Testing / LLM & Agent Observability

Braintrust
Observability and evaluation platform for AI agents. Braintrust helps teams trace agent behaviour in production, run evaluations against quality standards, and catch regressions before users encounter them.
LLM & Agent Observabilityalso: LLM Evaluation & Testing51-200 peoplebraintrust.dev ↗
Updated 9 November 2026
Hiring now
From Braintrust's own jobs board, checked every week.
Hiring across several countries. Roles are advertised in Europe, Singapore and the UK.
19 of its 30 open roles are in sales, solutions and marketing.
With a recruiter on the list, it is preparing to hire at a faster pace.
Where the roles are
Against its sector
Braintrust has the third most open roles in LLM & Agent Observability, after Langchain and Coralogix. 9 of the 21 active companies in this sub-sector are advertising roles.
Who Braintrust competes with
The other active companies we file under LLM & Agent Observability, sorted by how much they are hiring.
Where this fits
Tracing, monitoring and debugging LLM and agent systems once they are running. The observability platforms that already exist would rather buy this than build it.
We track hiring and team changes across all 84 companies in Observability, Evaluation & Testing.
Our talent report for this sector shows how Braintrust's team compares with its competitors.
What is in it:
- Every company's team size, side by side, grouped by sub-sector
- Who grew their team over the last year, and by how much
- Who is losing people: attrition for each company, against the sector average
- Who is hiring right now, and how many open roles each has
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 at a company like Braintrust, want to work at one, or think Braintrust is filed in the wrong place, put 20 minutes in my diary.
Book 20 minutes with Ben →