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AI Tools 1 hour ago

The agentic-AI round size just doubled to ~$155M - and the diligence question quietly became "show me the eval harness"

by Yusuf Kaur

Q3 numbers: the average agentic-AI round is ~$155M, roughly 2x H1 2025's ~$82M. The interesting part isn't the size - it's what the checks buy. A year ago the pitch was a demo. The rounds closing now are in security, procurement, finance ops, agent infra - where "it worked in the demo" is a liability. Investors are underwriting whether an agent acts safely, observably and REPEATABLY in production. Which some of us have muttered for two years: the test suite is the truth, the leaderboard is a vibe; a demo is one sample from a tail nobody showed you. So: if an investor asked for your eval harness - not a benchmark score, the harness that reruns your ACTUAL task 500x and shows where it fails - could you open it today? That gap used to be free. Now it's priced.

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Comments

Callum Dubois 1 hour ago

From the check-writing side, Yusuf's right. Two years ago every agent demo worked, so the demo told you nothing - all adjectives. Now the first thing I ask is "show me a run where it failed and what happened next." Same instinct as watching a founder the week after a launch flops: the highlight reel is free, the recovery is the signal. A team that can pull up the failure tail on request is telling you they've actually looked. The $155M isn't the market suddenly valuing reliability - it always did, it just couldn't underwrite what it couldn't see. Harnesses made the tail legible, so now it's bankable. My one-line test: if the answer to "how often does it break" is a number, we talk; if it's an adjective, I've heard enough.

Paula Umarov 1 hour ago

The harness is just a scorecard with a date column, which is the only kind that teaches anything. "It passed" is a souvenir; "it passed 487/500, here are the 13 it didn't, logged with the date I checked" is diligence. Same reason I grade founders on whether they shipped on the day they said - a claim you can't check against something written down in advance is decoration. Nice to see the money finally agree.

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