| Branding | Google Japanese Input (Google 日本語入力) | Google Japanese Input (Google 日本語入力) | Mozc |
| Release Form | Binary Installer | Binary Installer | Source code |
| License Agreement | Available on the installation page | Available on the installation page | 3-Clause BSD License (except for third-party code) |
| Target Platform | Microsoft Windows Apple OS X Android Google Chrome OS | Microsoft Windows, Apple OS X | Android OS, Microsoft Windows, Apple OS X, GNU/Linux, Chromium OS |
| Version String | GoogleJapaneseInput-1.x.yyyy.0 (Windows), GoogleJapaneseInput-1.x.yyyy.1 (OS X), GoogleJapaneseInput-1.x.yyyy.3 (Android), GoogleJapaneseInput-1.x.yyyy.4 (Chrome OS) | GoogleJapaneseInput-1.x.yyyy.100 (Windows), GoogleJapaneseInput-1.x.yyyy.101 (OS X) | Mozc-1.x.yyyy.102 |
| Logo | Colorful | Colorful | Orange |
| Code Location | Google internal | Google internal | GitHub |
| System Dictionary | Google internal | Google internal | Mozc dictionary |
| Usage Dictionary | Japanese Usage Dictionary | Japanese Usage Dictionary | Japanese Usage Dictionary |
| Collocation Data | Google internal | Google internal | Only examples are available |
| Reading Correction Data | Google internal | Google internal | Only an example is available |
| Suggestion Filter | Google internal | Google internal | Only an example is available |
| Japanese ZIP Code Dictionary | Included | Included | Not included. You can add it by yourself |
| Quality Assurance | New releases are tested by Google before sending to users | Basically the same to Stable but some additional QA tests are skipped before sending to users | No official QA by Google |
| Crash Reporting | Chrome OS: Integrated into the OS settings Other platforms: No by default. You can turn it on | Yes | No |
| User Metrics Reporting | Chrome OS: No Other platforms: No by default. You can turn it on | Yes | No |
| Google Update | Android : No Other platforms: Yes | Yes | No |
| Other Online Features | Not supported yet | Cloud Handwriting | Nothing |