Pathfinder

subscription (annual) Engineer & Analyze

Pedestrian movement and egress simulation software for modeling crowd ingress, circulation, and evacuation scenarios -- used by fire protection and life-safety engineers to validate egress code compliance, analyze occupant tenability in fire emergencies (visibility, FED exposure), and plan emergency response; imports CAD and BIM geometry (IFC, DXF, DWG, PDF); developed by Thunderhead Engineering (founded 1998, Manhattan KS).

Agent-hostile
3.0 /5 composite score
C1 3/5 reflects published annual pricing from USD 2,640 to USD 3,960 plus a 30-day trial, and RF2 keeps C2 2/5 because automation is limited to a desktop scripting toolkit rather than a public REST API or CLI. C4 4/5 reflects IFC, DWG, DXF, and PDF import with CSV export, and C5 3/5 reflects FDS and PyroSim integration.
Solid

Rubric Scorecard

How we grade →

Criterion Score Evidence
Value for the price 3/5 subscription (annual), from $2640 Source →
Agent Friendliness 2/5 API: none (desktop GUI only; Python-based scripting toolkit for Monte Carlo, sensitivity analysis, and batch processing)
Ease of adoption 3/5 --
Portability & lock-in 4/5 5 file formats
Interoperability 3/5 2 integrations

Pricing

Modelsubscription (annual)
Entry price$2640
Free tierno
Free viewerno
Trialyes
Billing unitper-seat
TiersNode-locked ($2640), Floating ($3960)
Visit Pathfinder →

How we verified this: we checked Pathfinder against its live site and an independent source — sumble.com. Nothing on this page is listed from memory. See how we grade. Verified 2026-07-18.

Evidence

File formats

FormatDirectionSupport
IFC import partial -- BIM geometry import
DWG import partial -- CAD geometry import
DXF import partial -- CAD geometry import
PDF import partial -- 2D plan import
CSV export full -- Results data export

Integrations

FDS (NIST Fire Dynamics Simulator) (middleware) PyroSim (middleware)

Sources

Pricing

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