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B2W Estimate vs SitesAI Estimate

Different steps of a civil bid. B2W Estimate is heavy construction estimating and bidding software in Trimble's B2W suite, with cost databases, RFQ management and DOT electronic bidding, sold by quote. SitesAI Estimate is a browser-based earthworks takeoff tool that calculates cut and fill from PDF, DWG or DXF plans, with published per-user prices and an AI plan. Partly like-for-like (our reading). Desk research from vendor sites read Nov 2, 2026; no winner.

DESK RESEARCH FROM VENDOR SITES. Compiled from vendors' public websites (accessed Nov 2, 2026). Vendor claims are not verified by Means & Methods Lab. No scores or rankings.

In short: B2W Estimate (Trimble) (Heavy civil estimating; no public prices (quote / sales)) vs SitesAI Estimate (Earthwork takeoff; vendor publishes prices). Facts last checked Nov 2, 2026. No winner declared; desk research from vendor sites.

Side by side

B2W Estimate vs SitesAI Estimate: vendor-published facts side by side
Sheet rowB2W Estimate (Trimble)SitesAI Estimate
CategoryHeavy civil estimatingEarthwork takeoff
AI role (our label)Not AI-firstAI features added to established product
What it doesHeavy construction estimating and bidding software in Trimble's B2W suite (with B2W Schedule, Track, Employee App, Maintain and Field View). The product page lists a centralized, pre-populated cost database with task, crew and pay item templates; pay item and WBS bidding; bid and takeoff quantities; RFQ management with quote analysis and split RFQ groups; automated error checking for calculation errors and missing line items; automated DOT bidding with state-specific electronic bidding system (EBS) file downloads; change orders managed within the base estimate; offline mobile estimating that syncs later; Excel import; export to ERP/accounting and project management; and moving estimates to B2W Schedule and B2W Track to set targets from production actuals. The pages read describe no AI features for B2W Estimate. Costing-accuracy, bid-volume, change-order and efficiency figures and customer quotes are vendor claims not used here.Browser-based earthworks takeoff and estimating that calculates cut and fill from PDF, DWG or DXF plans, with an AI auto-takeoff plan. You load a plan, calibrate scale, trace work areas and set the existing surface (spot levels, contours or a survey DXF) against design platform levels and batters; it calculates cut and fill (bulking and compaction added by the user), shows 3D terrain as a check, and exports quantities to Excel or PDF. The AI plan adds AI auto-takeoff, which proposes boundaries, areas and counts as a first pass that is not applied until you accept it, metered as credits with credits included each month, and an MCP connector (22 tools, listed in the official MCP Registry as net.sitesai/estimate) so Claude, Codex or ChatGPT can drive the same tools (vendor statements). Runs at takeoff.sitesai.net with Google or Microsoft sign-in.
Who it's forCivil contractors of all sizes, from civil infrastructure and utilities to earthwork and paving.Civil and earthmoving contractors pricing cut and fill from plans.
Pricing (as publicly stated)No public prices. The B2W Estimate page has a Plans and pricing section with three tiers, each marked Talk to us: Basic (task and crew templates, bid and takeoff quantity, integrated change order management), Professional (adds unlimited tagging, integrated vendor management and mobile estimating) and Enterprise (adds work breakdown structure, audit trail and item history). /estimate/pricing returns not found. Calls to action include Contact sales, Request a demo and Talk to sales; the vendor references flexible license and subscription options. Confirm pricing with the vendor.Free: markup and 3D terrain on one sheet (no cut/fill volume figures). Pro: US$39/user/month or US$390/year (volumes, unlimited sheets, Excel/PDF export, cloud sync). AI: US$99/user/month or US$990/year (adds AI auto-takeoff and the MCP connector; 14-day free trial of the AI plan, no card, one per account). 30-day money-back guarantee on paid plans.
User reviewsNo reviews yet. Read or writeNo reviews yet. Read or write
Vendor links
Sources

Facts last checked: Nov 2, 2026. Prices change; check the vendor page before relying on them.

Where the vendor descriptions differ

  • What each does (vendor pages): B2W Estimate lists a pre-populated cost database with crew and pay item templates, RFQ management, automated DOT bidding, change order management, synchronized mobile estimating and automated error checking, plus Excel import and links to electronic bidding and DOT programs; WBS and an audit trail sit in the Enterprise tier. SitesAI Estimate has you load a PDF, DWG or DXF plan, calibrate scale, trace work areas and set existing and design levels; it calculates cut and fill, shows the job as 3D terrain and exports quantities to Excel or PDF.
  • Where they fit: SitesAI Estimate produces earthwork quantities; B2W Estimate builds the priced estimate and bid around crews, cost data, vendor quotes and pay items. B2W lists Excel import and vendor and subcontractor data, so quantities from a takeoff tool could feed an estimate, but neither vendor page describes a direct link between the two.
  • How they run: B2W Estimate sits in the B2W suite with B2W Schedule, Track, Employee App, Maintain and Field View, and the vendor lists export to ERP/accounting and project management and moving estimates to Schedule and Track. SitesAI Estimate runs in the browser at takeoff.sitesai.net with Google or Microsoft sign-in, saves locally on Free and adds Google Drive or OneDrive cloud sync on Pro.
  • AI: the B2W pages we read describe no AI features for B2W Estimate; we tag it Not AI-first. SitesAI's AI plan adds AI auto-takeoff, which proposes boundaries, areas and counts that are not applied until you accept them, and an MCP connector with 22 tools so Claude, Codex or ChatGPT can drive the same tools; we tag it AI features added to established product.
  • Volumes: SitesAI says its volumes are geometric, so you add your own bulking and compaction allowances.
  • Pricing (checked Nov 2, 2026): B2W Estimate shows Basic, Professional and Enterprise tiers, each marked Talk to us, with no prices. SitesAI Estimate lists Free US$0 (markup and 3D view, no cut and fill volumes), Pro US$39 per user per month or US$390 per year, and AI US$99 per user per month or US$990 per year with a 14-day trial and no card; paid plans carry a 30-day money-back guarantee.
  • Not used here: B2W's costing-accuracy, bid-volume, change-order and efficiency figures and customer quotes (vendor material). Facts for both tools come from vendor websites (desk research).

Paraphrased from the sources listed above. Vendor claims are reported as claims.

What users say

The facts above come from vendor websites. Whether either tool is any good for your work is something only people who use them can say. These are member reviews, all ratings shown, never edited or removed for being negative.

Used either of these? Share your take

Good or bad, an honest review from an estimator, PM or super helps the next team more than another vendor demo. You post under a handle; your email is never shown.

Questions to ask in your review

  • Whether you need a full heavy civil estimating and bidding system (B2W Estimate) or a quick earthwork quantity takeoff (SitesAI Estimate), or both
  • How SitesAI's cut and fill figures compare with your current takeoff method on your own plans
  • What B2W Estimate costs for your team and tier
  • What did you use it for, on what kind of work and project size?
  • How long did setup and training take, and who on your team did it?
  • What does it cost you in practice, compared with what the sales call said?

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