| What it does | AI construction drawing review platform that finds clashes, missing details, and coordination risks before they become RFIs and rework
| Background removal API and self-hosted open-weight model for image matting
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| Stage | Not given
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| Founded | Not given
| 2022
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| Based in | CA
| DE
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| Pricing model | Paid
| Freemium
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| Pricing | Free: 1 full project scan included. Starter: $499 CAD/month (2 full scans/month). Pro: $1,499 CAD/month (10 full scans/month). Enterprise: Custom pricing. Yearly billing saves 20%.
| Pro Model API: 50 free credits on signup, then credit packs from €10 (100 credits at €0.10 each) to €500 (10,000 credits at €0.05 each), or equivalent monthly subscriptions. Open-weight model: Apache-2.0, free to self-host.
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| Key features | - Full drawing package review across architectural, structural and trade drawings
- Multi-discipline clash detection between building systems
- Cross-sheet consistency checks for contradictions and mismatches
- Missing detail and specification gap detection
- RFI-ready report generation with visual evidence
- Revision comparison to detect changes between drawing versions
- Scope obligation tracking for delegated-design notes
- 13 construction discipline coverage including architectural, structural, MEP and specialty trades
- Integrations with Procore and Autodesk Construction Cloud
| - Pro Model API with managed REST infrastructure in Frankfurt, Germany
- Open-weight Apache-2.0 model for self-hosting on Python, Docker, or macOS
- Alpha matte output for precise edge refinement
- Refine feature with Keep and Remove brush strokes
- Optimized for hair, fur, and complex edges
- Native macOS app with batch processing and on-device Apple Silicon inference
- GIMP 3.0 plugin for local background removal
- Docker support with web UI and headless API
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| What makes it different | - Evidence-backed findings with exact drawing references and visual proof instead of black-box AI recommendations
- Reviews full drawing packages across all disciplines simultaneously, not individual sheets
- Scope obligation tracking to identify unpriced work before contracts are awarded
- Catches coordination problems before construction begins, reducing field delays and change orders
| - Publishes benchmarked results comparing against alternatives including remove.bg with losses included
- Same API schema for both managed API and self-hosted open-weight model for easy switching
- RAM-only processing with no image storage or training on customer uploads
- p95 latency of 1.95 seconds on managed API with EU hosting for GDPR compliance
- No subscription lock-in with optional monthly billing or one-time credit packs
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| Free plan | Not given
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| Open source | Not given
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| Platforms | Not given
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| Public API | Not given
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 7 ● no change since last check | 36 ● no change since last check |
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| Trust Flow (Majestic) | 0 | 5 |
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| Citation Flow (Majestic) | 14 | 32 |
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| Referring domains (Majestic) | 3 | 160 |
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Clash Nexus AI
withoutBG