SmartPlant Instrumentation
Alternative, No Migration Required
Looking for a SmartPlant Instrumentation alternative? Pathnovo delivers instrument index automation without the $2-5M migration, complex IT infrastructure, or 12-month implementation timeline.
In short
Pathnovo is the SmartPlant Instrumentation (SPI) alternative for organisations that need instrument index automation without the $500K+ Hexagon licence, $2 to 5M migration, or 12-month implementation. SPI is a database-driven instrument design authoring tool; Pathnovo is an AI extraction service that reads existing P&IDs (including scanned and legacy PDFs SPI cannot parse) and delivers an ISA 5.1 compliant instrument index in 48 hours at 99.5 percent contractual accuracy. The two are complementary on greenfield SmartPlant programmes: Pathnovo populates SPI upstream from non-Hexagon source documents. For mid-EPC scope ($50M to $500M capex) where SPI is not commercially viable, Pathnovo replaces the manual data-population workflow entirely. Reference: 10,247 tags across 600 P&IDs delivered for McDermott with zero QA rejections.
Why Switch from SmartPlant Instrumentation
No Migration Required
Pathnovo works alongside your existing systems. No data migration, no infrastructure changes, no 12-month implementation.
Order of Magnitude Lower Cost
SmartPlant licensing starts at $500K+. Pathnovo's full platform is included on every paid tier, no platform fees, no per-seat licence, no minimum contract. See pricing for plans.
48 Hours vs 8 Weeks
Generate instrument indexes from P&IDs in 48 hours. SmartPlant requires manual data population over weeks.
AI-Native, Not Database-Native
Pathnovo uses AI to read your drawings. SmartPlant requires manual data entry into a database. Fundamentally different approach.
Feature Comparison
| Feature | Pathnovo | SmartPlant Instrumentation |
|---|---|---|
| Instrument index from P&IDs | Manual entry | |
| 99.5% accuracy SLA | ||
| ISA 5.1 symbol recognition | Manual | |
| SAP PM integration | ||
| Legacy drawing support | ||
| HAZOP register extraction | ||
| Mill certificate traceability | ||
| No migration required | ||
| 3D model integration | ||
| Instrument design workflow | ||
| Pricing | Credit-based. Full platform on every paid tier. Book a demo to see extraction on your documents. See our pricing page for plans. | $500K+ licensing |
Feature Matrix
Side-by-side capability comparison across every meaningful workflow your team will run.
| Capability | Pathnovo | SmartPlant Instrumentation |
|---|---|---|
| Target workflow | Extract instrument data from P&IDs (AI) | Instrument design authoring (database) |
| Instrument index automation from P&IDs | Manual data entry | |
| ISA 5.1 symbol recognition | Manual | |
| Extraction from PDF / scanned legacy P&IDs | ||
| Equipment list / line list / valve list / I/O list extraction | Manual / SmartPlant-authored only | |
| HAZOP register extraction from completed PDF studies | ||
| Mill certificate traceability + EPC PO matching | ||
| Indian regulatory bundle (IBR / OISD 118 / PESO / CCOE) | ||
| SmartPlant Foundation / Hexagon SDx2 data feed | ||
| SAP PM S/4HANA pre-certified | ||
| Pre-certified Maximo / AVEVA AIM / Bentley iTwin feeds | Via SmartPlant Foundation only | |
| Implementation timeline to first output | 48 hours | ~12 months |
| Migration / IT infrastructure required | None | Significant ($2-5M typical) |
| 99.5% contractual accuracy SLA + remedy clause | ||
| Transparent published pricing | ||
| Public pricing | Credit-based | Enterprise SmartPlant licence ($500K+ start) |
| Loop diagrams / instrument design workflow / 3D model integration |
Full support Not supported Partial / context-dependent (text)
Pricing Compared
Transparent pricing for every vendor where public. Where the vendor does not publish pricing, we say so.
Pathnovo
Credit-based subscription, full platform on every paid tier (extraction + instrument index + line / valve / I/O lists + HAZOP + mill cert + procurement + Indian regulatory bundle). Scoped paid pilot available on the Starter tier to validate accuracy before scaling.Published per pricing page. McDermott live engagement processed 10,247 tags across 600 P&IDs at 99.5% measured accuracy as the reference benchmark.
SmartPlant Instrumentation
Enterprise Hexagon licensing starts at $500K+ with typical $2-5M migration scope including IT infrastructure (Oracle / SQL Server backend, SmartPlant Foundation deployment, ALI modules, integration testing). Industry standard for large EPC projects; positioned for tier-1 EPC and large owner-operators on multi-year SmartPlant programmes. 12-month implementation timeline typical. Not commercially viable at mid-EPC scope.
Who Wins for Which Buyer
Real buyer scenarios with honest “who fits best” framing.
Tier-1 EPC contractor designing greenfield project end-to-end inside Hexagon SmartPlant ecosystem
Winner: SmartPlant InstrumentationSPI's database-driven instrument design authoring + loop diagrams + 3D model integration is the right backbone for greenfield SmartPlant-native projects. Pathnovo does not replace authoring tools; we extract from existing drawings. Pathnovo can complement SPI for HAZOP and mill cert scope SPI does not cover.
Owner-operator brownfield digitisation with decades of legacy PDF/scanned P&IDs
Winner: PathnovoSPI cannot read legacy PDF or scanned drawings; data must be manually re-entered. Pathnovo extracts instrument data from any PDF or scanned P&ID in 48 hours at 99.5% measured accuracy. Loads to SPI downstream when SmartPlant is the chosen platform; otherwise feeds SAP PM, Maximo, or Excel directly. See the instrument index automation workflow.
Mid-EPC contractor ($50M-$500M project scope) needing instrument index automation
Winner: PathnovoSPI's $500K+ licensing + $2-5M migration scope is not commercially viable at mid-EPC scale. Pathnovo's credit-based pricing with 48-hour first delivery and full platform on every paid tier makes instrument index automation accessible at mid-EPC scope. A typical 2,000-tag project fits inside one or two months of Starter or Professional tier.
Indian PSU refinery with IBR + OISD 118 + PESO + CCOE compliance obligations
Winner: PathnovoSPI has no Indian regulatory bundle. Pathnovo encodes all four regimes natively, with Indian PSU rate-card pricing at Scale and Enterprise tiers. See the indian EPC compliance bundle.
Owner-operator running SmartPlant Instrumentation + Pathnovo upstream on hybrid environment
Winner: Pathnovo + SPIComplementary pattern. Pathnovo extracts the full instrument data graph from legacy / scanned / non-SmartPlant sources and loads it into SPI for downstream Hexagon ecosystem consumption. Most Hexagon-committed customers benefit from this joint deployment; SPI alone cannot read what it did not author.
When the competitor is still the right choice
Honest framing matters. Here are the scenarios where Pathnovo is not the right fit.
- 01
If you are designing a greenfield instrument index inside the Hexagon SmartPlant ecosystem (SPI + Smart 3D + SmartPlant Foundation), SPI's database-driven authoring backbone + loop diagrams + 3D model integration are deeper than Pathnovo's extraction-only scope. Pathnovo does not replace authoring tools; we extract from existing drawings.
- 02
SPI's deep instrumentation design workflow (loop diagrams, hookup drawings, instrument datasheets, calibration management) is materially deeper than Pathnovo's extraction-focused output. For organisations needing instrument design authoring (not just data extraction), SPI's native depth is the architectural fit.
- 03
SPI's customer base on $500M+ capex projects demonstrates platform-maturity for tier-1 EPC and large owner-operators. Pathnovo's mid-EPC + Indian / Gulf focus reaches different buyer segments; both can coexist on the same project at different deployment depths.
- 04
For tier-1 owner-operators with full Hexagon SmartPlant commitment + Hexagon-led delivery preference, vendor-managed SPI implementation may still be the cultural fit even if Pathnovo's productised extraction is technically faster and cheaper for the data-population phase.
Frequently Asked Questions
Can Pathnovo replace SmartPlant Instrumentation?
Pathnovo replaces the data population step. Instead of manually entering instrument data into SmartPlant Instrumentation, Pathnovo extracts it from P&IDs automatically with 99.5% contractual accuracy. You can load the extracted data into SmartPlant Instrumentation, or use Pathnovo's output directly in SAP PM, Maximo, or Excel. The McDermott engagement processed 10,247 tags across 600 P&IDs as a reference benchmark.
Does Pathnovo work alongside SmartPlant Instrumentation?
Yes. Pathnovo complements SmartPlant by automating the data extraction that SmartPlant requires as manual input. Use Pathnovo to populate SmartPlant faster and more accurately: typical projects save 80% of manual data entry effort with higher final data quality.
What is the typical ROI of switching from SmartPlant to Pathnovo?
For mid-EPC projects ($50M-$500M capex), Pathnovo typically delivers instrument index in 48 hours on Starter or Professional (full platform included on every paid tier) versus SmartPlant Instrumentation's $500K+ licensing plus 12-month implementation. For a typical 2,000-tag project the entire engagement fits inside one or two months of Starter or Professional, an order of magnitude lower than SmartPlant's annual licence. ROI is immediate, not multi-year. See pricing for plans.
Does Pathnovo support the Hexagon ecosystem?
Yes. Pathnovo exports to Hexagon-compatible formats (SPI, SDx, SmartPlant P&ID). For clients running full SmartPlant environments who need extraction from legacy / scanned drawings that SmartPlant cannot read, Pathnovo sits upstream: extract with Pathnovo, load to SmartPlant downstream.
Can Pathnovo extract from scanned or hand-drawn legacy P&IDs that SmartPlant Instrumentation cannot read?
Yes, this is the brownfield blind spot Pathnovo solves. SPI requires drawings authored inside the SmartPlant ecosystem (SmartPlant P&ID native files or SmartPlant Foundation-linked data); scanned PDFs, hand-drawn legacy P&IDs, and non-Hexagon vendor drawings have to be manually re-keyed before SPI can use them. Pathnovo reads any source: scanned PDF, image, hand-drawn legacy, AutoCAD, MicroStation, faded blueprints, multi-revision overlays. Output is ISA 5.1 compliant and SPI / SDx loadable. Typical brownfield engagement: 5,000 to 25,000 legacy drawings digitised in 6 to 24 weeks at 99.5 percent measured accuracy.
Does Pathnovo cover ISA 5.1 symbology, loop diagrams, and hookup drawings the way SPI does?
Pathnovo covers ISA 5.1 / 5.4 symbology natively in its extraction engine, so every tag, instrument, line, and signal is classified per the standard rather than inferred. It does not author loop diagrams, hookup drawings, or instrument datasheets, those remain SPI's design-workflow strengths. For organisations that already author in SPI, Pathnovo extracts the underlying data from non-SPI sources and loads it; for organisations that only need the structured instrument index (no design authoring), Pathnovo replaces the data-population workflow end-to-end and feeds SAP PM, Maximo, AVEVA AIM, or Excel directly. The architectural fit depends on whether instrument design authoring is in scope.
See what your documents actually contain.
Send us 10 documents from your current project. We extract, reconcile, and show you exactly what we find in 48 hours, before any contract.
If the accuracy isn't what we promised, you owe us nothing.