Market landscapes / Observability, Evaluation & Testing / LLM Evaluation & Testing
LangWatch
Observability and evaluation platform for AI agents and LLM applications. LangWatch lets platform teams trace, test and govern every LLM call across their organisation, from custom agents to coding assistants, with automated testing and production monitoring.
LLM Evaluation & Testingalso: LLM & Agent Observability1-10 peoplelangwatch.ai ↗
Updated 9 November 2026
Hiring now
From LangWatch's own jobs board, checked every week.
Where the roles are
Against its sector
14 of the 40 active companies in LLM Evaluation & Testing are advertising roles. LMArena has the most, with 21.
Who LangWatch competes with
The other active companies we file under LLM Evaluation & Testing, sorted by how much they are hiring.
Where this fits
Measuring whether a model or an agent is actually any good, and catching it when that changes. Every team that puts an LLM into production runs into this, and most build something themselves first. At
We track hiring and team changes across all 84 companies in Observability, Evaluation & Testing.
Our talent report for this sector shows how LangWatch'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 LangWatch, want to work at one, or think LangWatch is filed in the wrong place, put 20 minutes in my diary.
Book 20 minutes with Ben →