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Handoff

AI estimator & agent for remodelers.

handoff.ai

4.8Score#79 of 999 agents#1 of 23 in Architecture and construction specialist

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Why it ranks #79

Handoff, an AI architecture and construction specialist from YC W20, ranks #79 of 999 AI agents and #1 of 23 in Architecture and construction specialist, with a score of 4.8 of 10. Data as of 3 Oct 2026.

The score adds four parts, each 0 to 10, by weight. Every point comes from public evidence. How scoring works ·

Proof 0 × 30% 0.0
Scale 7 × 30% 2.1
Momentum 7 × 25% 1.8
Autonomy 6 × 15% 0.9
= 4.8

Proof
Do customers use it? 30% of the score
0
No public claims of customers or revenue yet.
Not found: revenue or growth (+4), named customers (+3), a customer result (+2), a customer count (+2), work done at scale (+2)
Scale
Is there a real company behind it? 30% of the score
7
20 people, raised $14M.
- +5
  20 people on its YC page20 to 49 people
- +2
  Raised $14MAs inflation fears spike, 1build raises $14M to help construction firms optimize their cost estimates – TechCrunchSource · 22 Sep 2021
Momentum
Is it shipping and growing now? 25% of the score
7
Shows a recent launch, hiring and a new claim.
- +3
  Launched in the last 6 monthsHandoff H1: a takeoff model that outperforms human estimatorsLaunch YC post · 22 Jul 2026
- +2
  Hiring: 2 open rolesAccount Executive, Senior Product ManagerYC page
- +2
  A new traction claim
  “It scores 81.6% on our benchmark — ahead of human estimators (77.6%) and \~20 points clear of the best frontier model.”
  Launch YC post · 22 Jul 2026
Not found: funding news in the last year (+2), a batch in the last year (it is YC Winter 2020) (+1)
Autonomy
How much of the job does it do on its own? 15% of the score
6
Supervised agent: takes actions in other systems; a person approves key steps.
- +6
  Level 2 of 4: Supervised agentTakes actions in other systems; a person approves key steps.
What the model read
- Acts in other systems: 55% likely
- Finishes whole tasks: 35% likely
- Calls itself an agent: 96% likely
Level 2: Takes actions in other systems; a person approves key steps.

About Handoff

Handoff creates instant construction estimates and automates business operations for contractors with AI.

Using generative AI technology and access to localized construction costs, Handoff provides remodelers with a fast, accurate, and intuitive way to create construction cost estimates in minutes.