Geocoder-Benchmark

Benchmarking some known Geocoder APIs using Python.

Services

• Google
• Bing
• Nominatim
• OSMNames
• Mapcat
• Opencage

Results

Geocoding with 1000 Addresses Query: Street Streetnumber, Postal Code Zurich Switzerland

Google

• Found:
  • Accuracy < 20m: 783
  • Accuracy < 100m: 156
  • Accuracy > 100m: 56
• Not found: 5

Bing

• Found:
  • Accuracy < 20m: 784
  • Accuracy < 100m: 125
  • Accuracy > 100m: 91
• Not found: 0

Nominatim

• Found:
  • Accuracy < 20m: 699
  • Accuracy < 100m: 76
  • Accuracy > 100m: 224
• Not found: 1

OSMNames

• Found:
  • Accuracy < 20m: 11
  • Accuracy < 100m: 205
  • Accuracy > 100m: 784
• Not found: 0

OSMNames is not suitable for geocoding because it does not return precise coordinates

Mapcat

• Found:
  • Accuracy < 20m: 288
  • Accuracy < 100m: 30
  • Accuracy > 100m: 257
• Not found: 425

Mapcat was sometimes really accurate with a difference of 0.2 meters but it couldn't find 425 addresses

Opencage

• Found:
  • Accuracy < 20m: 688
  • Accuracy < 100m: 82
  • Accuracy > 100m: 230
• Not found: 0