Anchorhead (YC W26) — Evals for frontier research agents
We build custom evals for product teams, as a service. To build these eval sets, we source domain experts and have them turn their work into original, real world evals.
Anchorhead is a Y Combinator company in the Winter 2026 batch. Its directory entry describes it as: Evals for frontier research agents. The founder listed is Perbhat Kumar (Founder/CEO) (Y Combinator directory entry, March 6, 2026).
Get an email when Anchorhead changes status, grows its team or files a funding notice. One email first to confirm; nothing else until you click it. At most one a day, one click to stop. Free for up to 3 companies.
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
We build custom evals for product teams, as a service. To build these eval sets, we source domain experts and have them turn their work into original, real world evals.
For example, our research engineering experts have create tasks involving optimizing an algorithm, deploying a model, or running experiments to solve a novel problem. A grader scores the agent’s performance, and these scores serve as signals during evaluations.
Perbhat Kumar
Founder/CEO
Founders, titles and bios as the company published them. Photographs are our own copies of the ones on that record, so they do not break when the original link expires.
One of 641 companies held here in B2B › Engineering, Product and Design.
No investor is drawn from a Form D — the form states how many invested and never who. The one investor on this graph is named because a batch has exactly one.
Want the whole picture on Anchorhead?
Example from a real report (our sample on Target): “In March 2026, Target announced a planned incremental $1 billion operating investment” Source: Target Corporation (press release)
A Full Report on Anchorhead: verified, sourced, every claim cited, ready in a few minutes. See pricing.
What the Full Report on Anchorhead covers
The Short Answer
Which Company This Is
What They Do, And How The Money Works
Who Runs It, And How To Reach Them
The Money: Funding, Valuation, Runway
Who Pays Them, And Who They Are Up Against
Warning Bells
Sources
1 cited source found
Plus the sections for what you are deciding, which you pick after ordering.
You get an alert in MentionFox the next time this company shows up.
Is this you?
If you're behind Anchorhead: acceptance into a YC batch is one of the few weeks a young company gets looked up by people who matter — investors, other founders, press. FoxPlug turns the commits, deploys, and releases you're already making into that story automatically, so anyone who looks finds something current. GetFoxChat puts a guide on your own site so the people YC's own page just sent you don't read one line and leave.
