| What it does | AI construction drawing review platform that finds clashes, missing details, and coordination risks before they become RFIs and rework
| Privacy-first browser-based AI speech recognition powered by OpenAI's Whisper model
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| Stage | Not given
| Startup
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| Founded | Not given
| 2026
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| Based in | CA
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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%.
| Free: $0 - unlimited local transcription for files up to 200 MB / 20 minutes. Unlimited: US$20/month or US$10/month billed yearly - cloud transcription up to 10 hours / 5 GB, batch upload of 50 files, cross-device sync.
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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
| - Browser-based speech recognition with no installation required
- Support for 99 languages with automatic language detection
- Local processing with WebGPU acceleration for privacy
- Multiple input options: microphone, file upload, URL/browser audio
- Export to multiple formats: TXT, JSON, SRT, VTT
- Works offline once the model is downloaded
- Cloud transcription for files up to 10 hours / 5 GB
- Batch upload and cross-device sync with Unlimited plan
- No account required to start transcribing
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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
| - Privacy-first: free mode keeps all audio on your device with no server uploads
- Zero setup required - no downloads, API keys, or account needed
- Powered by OpenAI's state-of-the-art Whisper AI model
- GPU-accelerated processing with WebGPU for fast local transcription
- Supports 99 languages with automatic detection, no manual selection needed
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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 | 15 ▲ +1 (up) since last check |
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| Trust Flow (Majestic) | 0 | 22 |
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| Citation Flow (Majestic) | 14 | 33 |
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| Referring domains (Majestic) | 3 | 159 |
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Clash Nexus AI
Whisper Web