P&ID Extraction Software
Comparison 2026 (10 Vendors, 40 Capabilities)

It depends on your use case. For EPC project delivery with contractual SLA + India/Gulf compliance + 15+ document types: Pathnovo. For redrawing P&IDs into SmartPlant or AVEVA P&ID authoring format: IPS iDrawings. For Microsoft-ecosystem buyers committed to Azure AI + Copilot: Acuvate DiagramIQ. For free / casual tag counting: NovekAI or Pathnovo's free P&ID tag counter at /resources/tools/pid-tag-counter. For tier-1 EPC committed to SmartPlant authoring ecosystem: Hexagon SDx2 (with Pathnovo as the extraction layer feeding it). For developers building custom applications on horizontal extraction APIs: Outerport or Reducto for non-engineering, Pathnovo for engineering domain depth.

Pathnovo is the only product offering a contractual 99.5% field-level accuracy SLA with a remedy clause and per-sheet audit trail. Other tools claim 'up to' marketing numbers without contractual backing. IPS iDrawings claims 'up to 90% cost savings' and 'up to 100x faster' but offers no accuracy SLA. Hexagon SDx2 and AVEVA tools do not publish accuracy SLAs because their authoring-tool architecture means accuracy is an authoring-quality issue, not an extraction issue. Reducto is highly accurate on horizontal documents but degrades sharply on engineering symbols and topology.

For project-grade extraction with SLA: Pathnovo's credit-based pricing (full platform included on every paid tier), one of the lowest published prices for production-grade engineering document AI. See [pricing](/pricing) for plans. For free / casual use: NovekAI's free tier or Pathnovo's free P&ID tag counter. For horizontal extraction with no engineering domain awareness: Reducto at $0.015/page (but accuracy unsuitable for production engineering use). Hexagon SDx2 and AVEVA tools are enterprise-licensed at $200K-$1M+ with 5+ month implementations.

Pathnovo has pre-certified connectors for SAP PM S/4HANA, IBM Maximo, AVEVA AIM, Hexagon HxGN SDx2, Bentley iTwin / ProjectWise, Cognite Data Fusion, Wrench SmartProject, and Oracle Aconex. IPS iDrawings outputs to SmartPlant / AVEVA P&ID / AutoCAD Plant 3D authoring formats only; not directly to SAP or Maximo. Acuvate DiagramIQ stores in Microsoft Fabric graph database; SAP / Maximo integration requires separate consulting. Hexagon SDx2 feeds SmartPlant Foundation; SAP / Maximo integration via Hexagon connectors. AVEVA Diagrams feeds AIM; SAP / Maximo via AIM connectors. NovekAI, PlantFCE, Levian, Outerport, Reducto: no native SAP / Maximo pre-certification.

Only Pathnovo bundles IBR Form III / Form IV, OISD 118 HAZOP register + inter-distance encoding, PESO Form XIV / XV, and CCOE licence registers as first-class outputs of the same extraction engagement. IPS iDrawings has India operations (Noida) but no regulatory output. Acuvate is Hyderabad-based but does not encode the four regulatory regimes. Hexagon, AVEVA, Outerport, Reducto have no Indian regulatory awareness. For Indian PSU work (IOCL / BPCL / HPCL / ONGC / GAIL) where all four regimes are contractual, Pathnovo is the only fit. See /compliance/indian-epc-compliance-bundle.

Pathnovo handles scanned PDFs (any DPI from 150 up), faded blueprints, photographed drawings, hand-drawn isometrics from the 1980s onward, and isometrics with handwritten revision markups, no pre-processing required. Accuracy 99.5% on clean PDFs, typically 97-98% on very poor-quality scans. IPS iDrawings handles digital P&IDs primarily; scanned scope limited. Hexagon SDx2 extracts text from scanned PDFs but not symbols. AVEVA Diagrams cannot ingest scanned content (authoring-tool architecture). NovekAI scope limited. PlantFCE annotation-first workflow is impractical for legacy at scale. Reducto has no engineering symbol model; scanned P&ID accuracy collapses.

Pathnovo: 48-hour managed-service first delivery; free 14-day trial with 100 credits, no contract. IPS iDrawings: project-by-project SaaS engagement (typical 4-12 weeks to first delivery). Acuvate DiagramIQ: Microsoft consulting engagement (typical 8-16 weeks). NovekAI: instant for free tier. Hexagon SDx2: 5+ month enterprise implementation. AVEVA Diagrams: 6-12 month enterprise rollout. Outerport / Reducto: instant API access, but engineering accuracy is the bottleneck, not deployment speed.

Extraction reads the P&ID and outputs structured data (tags, lines, equipment, instruments, valves with topology) into JSON, Excel, SAP PM, Maximo, or any enterprise system. Conversion redraws the P&ID in a new authoring format (SmartPlant, AVEVA P&ID, AutoCAD Plant 3D). If you need the data for asset master, CMMS, compliance, handover: use extraction (Pathnovo). If you specifically need the P&ID redrawn inside SmartPlant or AVEVA's authoring environment: use conversion (IPS iDrawings). For most asset owners, extraction is what's needed.

IPS iDrawings: Mitsubishi Chemical Engineering (5,000+ P&IDs / 60% cost reduction). Pathnovo: McDermott live engagement (10,247 tags / 600 P&IDs / 99.5% measured accuracy); GCKC and Zetwerk in build. Hexagon SDx2: Chiyoda Qatar NFE LNG, GASCO, Ausenco, Adani Petrochem, Eskom. AVEVA Diagrams: Wood, SCG Chemicals, Vulcan Energy, PETRONAS via the AVEVA Engineering customer base. Acuvate, NovekAI, PlantFCE, Levian, Outerport, Reducto: limited or no published EPC-scale named customer outcomes.

Yes, common pattern. Tier-1 owner-operators committed to AVEVA AIM or Hexagon SmartPlant Foundation typically use Pathnovo as the extraction layer feeding the AIM platform: Pathnovo extracts from any source (legacy, third-party, scanned), output is CFIHOS 2.0 native, AVEVA AIM or Hexagon SDx2 ingests for downstream visualisation and operational integration. IPS iDrawings can run in parallel for the specific use case of redrawing P&IDs into SmartPlant authoring format. Acuvate DiagramIQ can sit on Microsoft Fabric for clients committed to that ecosystem. The combination depends on the buyer's existing platform commitments and use-case mix.