Piper
AICost EstimationBrings drawings, specs, addenda, and bids into one preconstruction context

What is Piper?
An AI platform for general contractors and preconstruction teams that holds drawings, specifications, addenda, subcontractor quotes, and estimates in one shared project context. Teams generate trade scopes from it, compare bids against the intended scope, review estimates for gaps, and run their own project-review questions across the set. Every finding links back to the source document.
Vendor submission 2026-09-14 from Ido Gedanken, co-founder of Piper AI Ltd. He asked specifically that the piper-ai.com domain be used to distinguish the product from unrelated tools also called Piper.
Key strengths
- Holds drawings, specifications, addenda, quotes, and estimates as one project context rather than as separate documents to cross-check by hand
- compares a subcontractor bid against the intended scope, which is where scope gaps become change orders later
- reviews an estimate for missing items
- runs a firm's own standing review questions across the set
- every finding links back to its source document so an estimator can check the evidence
Common use cases
Limitations to know
Pricing is not published and access is by contact. There is no independent coverage or published customer, and the capability claims are the company's own.
At a glance
- Category
- Cost Estimation
- Best for
- General Contractor, Estimator, Project Manager, Subcontractor
- Project phase
- Preconstruction, CD
- Typology
- All typologies
- Pricing
- Contact for pricing
Frequently asked questions about Piper
What is Piper?
An AI platform for general contractors and preconstruction teams that holds drawings, specifications, addenda, subcontractor quotes, and estimates in one shared project context. Teams generate trade scopes from it, compare bids against the intended scope, review estimates for gaps, and run their own project-review questions across the set. Every finding links back to the source document. Piper is a Cost Estimation tool reviewed on AEC Hub.
Who is Piper for?
Piper is best suited for general contractor, estimator, project manager, subcontractor working in the preconstruction and cd phases.
How much does Piper cost?
Piper does not publish pricing, contact the vendor for a quote. Check their website for current plans and trials.
What are the key strengths of Piper?
Holds drawings, specifications, addenda, quotes, and estimates as one project context rather than as separate documents to cross-check by hand. compares a subcontractor bid against the intended scope, which is where scope gaps become change orders later. reviews an estimate for missing items. runs a firm's own standing review questions across the set. every finding links back to its source document so an estimator can check the evidence.
What are alternatives to Piper?
Top-rated Cost Estimation alternatives reviewed on AEC Hub include Kreo Software, Cedar, Ediphi.
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