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Maps · head to head

OpenRouteService vs SAGA GIS

OpenRouteService logo

OpenRouteService

Maps

Open-source routing, geocoding, and isochrone APIs based on OpenStreetMap data for developers and enterprises

From
Free
Rated
-
Full reviewWebsite
SAGA GIS logo

SAGA GIS

Maps

Open source terrain and geoscientific analysis with no vendor and no support contract available

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: OpenRouteService free tier limited to 500 Isochrones requests per day; SAGA GIS there is no commercial support contract available from anyone, so a procurement process that requires a named supplier with a service level cannot be satisfied and the organisation carries the whole operational risk itself
  • They diverge on capability: OpenRouteService covers Core Functionality, SAGA GIS covers Terrain morphometry.
  • Prices and features above were last checked on 1 September 2026.

Where they differ

Only the attributes on which OpenRouteService and SAGA GIS actually diverge.

Attributes where OpenRouteService and SAGA GIS differ
AttributeOpenRouteServiceSAGA GIS
Pricing modelfreemiumOpen source, no licence fee
PlatformsWebWindows, Linux, macOS

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated), category (Maps).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in OpenRouteService

  • Core Functionality
  • User Interface

Only in SAGA GIS

  • Terrain morphometry
  • Hydrological modelling
  • Geostatistics
  • Image analysis
  • Module library
  • QGIS integration
  • Python and R bindings

What people use each for

The jobs each tool is most often brought in to do.

OpenRouteService

  • Directions routing for cars, trucks, bikes, walking, hiking, wheelchairnot SAGA GIS
  • Reachability analysis with isochrones for time and distance calculationsnot SAGA GIS
  • Many-to-many distance matrix calculationsnot SAGA GIS
  • Location geocoding and conversion to coordinatesnot SAGA GIS
  • Points of interest discovery and mappingnot SAGA GIS
  • Elevation data enrichment using SRTM satellite datanot SAGA GIS
  • Vehicle routing problem optimizationnot SAGA GIS

SAGA GIS

  • A hydrologist deriving catchment boundaries and flow networks from a national elevation model at a resolution commercial tools slow down onnot OpenRouteService
  • A soil science team producing interpolated property surfaces with documented geostatistical methods for a peer-reviewed papernot OpenRouteService
  • A government environmental analyst who needs a terrain index that no commercial GIS implements and does not want to write it from scratchnot OpenRouteService
  • A QGIS user who has hit the limits of the native toolbox and needs the SAGA algorithms already exposed in the processing frameworknot OpenRouteService

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

OpenRouteService

  • Free tier limited to 500 Isochrones requests per day
  • API restrictions exist but details not fully documented on main page
  • Specific pricing tiers and costs not published on primary website

SAGA GIS

  • There is no commercial support contract available from anyone, so a procurement process that requires a named supplier with a service level cannot be satisfied and the organisation carries the whole operational risk itself
  • The project explicitly states that everyone working on it has another job and that answers may take a while, which means an urgent production failure has no escalation path
  • The interface is dated and inconsistent across modules, and cartographic output is poor, so most users treat it as an analysis engine and produce maps somewhere else
  • Documentation for many of the several hundred modules is a parameter list without explanation of method or expected input, so choosing the right algorithm often requires reading the source or a published paper
  • Development is concentrated in a small group, which creates real key-person risk: a change in the circumstances of a handful of maintainers would slow or stop releases, and there is no organisation obliged to continue them

Pricing, plan by plan

OpenRouteService

Free

No published plan breakdown. See the OpenRouteService review.

SAGA GIS

Free
  • SAGA GISFree
    • GNU General Public Licence
    • No licence fee and no usage limits
    • No commercial support contract exists

Which should you pick?

Choose OpenRouteService if

  • You need core functionality.
  • You want to start without paying.
  • You also want user interface.
OpenRouteService review

Choose SAGA GIS if

  • You need terrain morphometry.
  • You want to start without paying.
  • You work on Windows, Linux, macOS.
  • You also want hydrological modelling.
SAGA GIS review

Questions people ask

Is OpenRouteService or SAGA GIS better?
Neither clearly leads. OpenRouteService starts at Free and SAGA GIS at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, OpenRouteService or SAGA GIS?
OpenRouteService starts at Free and SAGA GIS at Free.
Does OpenRouteService or SAGA GIS run on more platforms?
OpenRouteService runs on Web. SAGA GIS runs on Windows, Linux, macOS.
Can I use OpenRouteService for free?
Both have a free tier, so you can try either at no cost before committing.
What is OpenRouteService best used for?
OpenRouteService is most often used for directions routing for cars, trucks, bikes, walking, hiking, wheelchair, reachability analysis with isochrones for time and distance calculations, many-to-many distance matrix calculations, location geocoding and conversion to coordinates. Of those, directions routing for cars, trucks, bikes, walking, hiking, wheelchair and reachability analysis with isochrones for time and distance calculations are not what SAGA GIS is typically brought in for.
What can OpenRouteService do that SAGA GIS cannot?
OpenRouteService covers Core Functionality, User Interface. SAGA GIS covers Terrain morphometry, Hydrological modelling, Geostatistics, Image analysis.

Answered from the vendors’ own pages

OpenRouteService: How much does OpenRouteService cost?

OpenRouteService is free to use and open source. The free tier includes up to 500 Isochrones requests per day. Specific pricing for higher usage tiers is not published on the main pricing page.

Source
SAGA GIS: Who maintains SAGA GIS?

A small international developer community, originating from physical geography departments at the universities of Göttingen and Hamburg. It is hosted on SourceForge and releases continue in the 9.x line.

OpenRouteService: Is there a free version of OpenRouteService?

Yes, OpenRouteService is completely free to use and built on open source technology. All services are presented as free to use and based on user-generated and collaboratively collected geographic data from OpenStreetMap.

Source
SAGA GIS: Can I buy support?

No. There is no vendor and no commercial support contract. The project itself states there is no hotline and no guaranteed support.

SAGA GIS: Do I need SAGA if I already run QGIS?

Often not, because many SAGA algorithms are available through the QGIS processing toolbox. Install SAGA directly when you need modules QGIS does not expose or want to script them independently.

SAGA GIS: What licence is it under?

The GNU General Public Licence, so you can modify and redistribute it under the same terms.

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