Firmus vs CONXAI
Two AI products that read construction documents for different jobs. Firmus, now part of Bluebeam, runs computer-vision design review on PDF drawing sets to flag scope gaps and discrepancies before bid; CONXAI sells configurable agentic workflows (DocNostic for documents, SiteLens for jobsite photos and video) built around each customer's process. Not like-for-like. Desk research from vendor pages read Oct 20, 2026; not tested, no winner.
In short: Firmus (Drawing review & QA; no public prices (quote / sales)) vs CONXAI (AI workflow automation; no public prices (quote / sales)). Facts last checked Oct 20, 2026. No winner declared; not tested.
Side by side
| Sheet row | Firmus | CONXAI |
|---|---|---|
| Category | Drawing review & QA | AI workflow automation |
| AI role (our label) | AI-first | AI-first |
| What it does | AI design review for preconstruction that uses computer vision on PDF drawing sets to find incomplete design, scope gaps and discrepancies. It analyzes PDF construction drawings to find incomplete design, scope gaps, missing information, and discrepancies across hundreds of sheets, with a dashboard to filter, assign, and track issues. Analysis is iterative across design stages (100% DD, 50% CD, 90% CD, IFP, IFC). Firmus's site now says it is part of Bluebeam. Vendor says it complements, not replaces, human review. Re-checked Oct 19, 2026: the homepage still says Firmus is now part of Bluebeam and describes AI-REVIEW (computer-vision drawing analysis), AI-MATCH and a Procore integration; the FAQ still describes iterative analysis from 100% DD through IFC. Re-checked Oct 20, 2026: homepage and FAQ unchanged in substance (now part of Bluebeam; AI-REVIEW, AI-MATCH and Procore integration; iterative analysis from 100% DD through IFC). | AI "Service-as-Software" that automates knowledge-intensive construction workflows over unstructured project data: photos, videos, documents and CAD. It uses agentic AI to extract cost and risk insights and automate reporting and document processing. Named solutions on the site: SiteLens and DocNostic. Re-read Oct 18, 2026: DocNostic extracts information from unstructured documents using a construction ontology, reasons across spec sheets, drawings, RFPs and submittals, and adapts to new document types without code. SiteLens analyzes jobsite photos and video into reports on site conditions, labour, equipment and activities, Lean metrics and searchable media, with worker identities masked. The platform page describes a hierarchical multi-agent system with dashboards or APIs, and the site states ISO 27001, SOC 2 Type II and GDPR (vendor statements). Its case studies page names Hensel Phelps, Kajima and Hilti. Re-read Oct 19, 2026: unchanged in substance. Re-read Oct 20, 2026: unchanged in substance (DocNostic, SiteLens, a modular start-with-one-use-case model, SOC 2 and ISO 27001). The DocNostic page headline claims a 70% cut in decision time in document-heavy workflows (vendor claim, not verified), and its three feature tiles repeat SiteLens copy about live site-condition, labour and equipment reports under document-extraction headings, which looks like a page template error. |
| Who it's for | General contractors, construction managers, architects, and owners/developers in preconstruction. | Construction firms with specialized document-heavy processes, and project teams that want jobsite photo and video analysis. |
| Pricing (as publicly stated) | No public prices (checked Oct 16, 2026): the pricing page ("Firmus Plan Options") lists Basic (5 analyses/year), Advanced (20 analyses/year), Premium (100 analyses/year; adds an enterprise SLA, AI-MATCH Premium full set-to-set drawing comparison, white-label reporting and SSO/enterprise controls) and Enterprise (customized), all with unlimited users and unlimited exports, each with a "Get Started" button and no figures; it refers to annual subscription plan options. Unchanged Oct 19, 2026 (Basic and Advanced list Standard SLA and self-service AI-MATCH; AI-MATCH full set-to-set match is included with Premium and Enterprise). Confirm current pricing with the vendor. Re-checked Oct 20, 2026: unchanged (Basic 5, Advanced 20 and Premium 100 analyses a year, Enterprise customized, unlimited users and exports, no figures). | No public prices found (checked Oct 16, 2026): the vendor site has no pricing or plans link in its navigation or footer, and /pricing and /plans return a not-found page. The site's calls to action are "Book a demo", "Contact us", "Get started". Re-checked Oct 18, 2026: still no prices; the homepage describes a modular model where you start with one use case and expand. Confirm current pricing with the vendor. Re-checked Oct 19, 2026: still no prices. Re-checked Oct 20, 2026: still no prices; the homepage says low cost of entry. |
| User reviews | No reviews yet. Read or write | No reviews yet. Read or write |
| Vendor links | ||
| Sources |
Facts last checked: Oct 20, 2026. Prices change; check the vendor page before relying on them.
Where the vendor descriptions differ
- What it reads: Firmus analyzes PDF construction drawings across hundreds of sheets for incomplete design, scope gaps, missing information and discrepancies, and AI-MATCH compares drawing sets between phases. CONXAI's DocNostic extracts information from spec sheets, drawings, RFPs, submittals and other documents using a construction ontology and reasons across them; SiteLens turns jobsite photos and video into site-condition, labour, equipment and activity reports, with worker identities masked.
- How it fits a workflow: Firmus is iterative by design stage (100% DD, 50% CD, 90% CD, IFP, IFC), with a dashboard to filter, assign and track issues and a Procore integration; its FAQ says it complements, not replaces, human review. CONXAI says you start with one use case and expand, configure workflows without code using natural-language inputs, and work through its dashboards or APIs.
- Who each names: Firmus names general contractors, construction managers, architects and owners in preconstruction. CONXAI names project managers, estimators, designers and engineers at construction firms with document-heavy processes; its case studies page names Hensel Phelps, Kajima and Hilti.
- Pricing (checked Oct 20, 2026): Firmus lists annual plans by analyses per year, Basic (5), Advanced (20), Premium (100, adding an enterprise SLA, full set-to-set AI-MATCH, white-label reporting and SSO) and Enterprise (customized), all with unlimited users and exports but no dollar figures. CONXAI publishes no prices; its homepage describes a modular model with a low cost of entry.
- Ownership and security (vendor statements): Firmus's site says it is now part of Bluebeam, which its footer says is part of the Nemetschek Group. CONXAI states SOC 2 Type II, ISO 27001 and GDPR. Both are tagged AI-first.
- Not used here: the 70% cut in decision time claimed on CONXAI's DocNostic page (vendor claim). CONXAI's DocNostic feature tiles repeat SiteLens text about live site reports, so we relied on the headings and body copy. Neither tool has been tested by Means & Methods Lab.
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.
Firmus
No reviews yet. Used Firmus? Yours would be the first.
CONXAI
No reviews yet. Used CONXAI? Yours would be the first.
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
- How many of the issues Firmus flags on a drawing set CONXAI's DocNostic would also find if configured for drawing review
- What a Firmus Basic plan costs per analysis, and what CONXAI charges for a first use case
- How each handles specs and drawings that conflict with each other
- 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?
How reviews work: review guidelines and methodology. All reviews: reviews hub.
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