| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | — | Terms | — | 3.0T | 15.3T | 2 | |
| No | 30 days retention | Yes | China | Terms | Privacy | 1.9T | 43.9T | 5 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.8T | 61.0T | 109 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.5T | 51.1T | 6 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 1.4T | 29.9T | 8 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 1.2T | 23.1T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.2T | 37.6T | 19 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 991.6B | 24.9T | 103 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 917.6B | 23.5T | 67 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 871.3B | 9.7T | 7 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 869.3B | 13.1T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 582.8B | 5.2T | 16 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 568.2B | 10.4T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 565.2B | 23.4T | 52 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 525.0B | 8.0T | 38 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 504.4B | 8.4T | 29 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 503.4B | 11.9T | 10 | |
| No | Zero retention | Yes | — | Terms | Privacy | 496.1B | 10.5T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 421.9B | 3.8T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 417.5B | 11.5T | 19 | |
| No | Zero retention | Yes | — | Terms | Privacy | 407.8B | 29.6T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 403.8B | 11.0T | 69 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 397.4B | 10.9T | 40 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 360.0B | 12.8T | 19 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 314.3B | 7.4T | 26 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 303.7B | 9.7T | 39 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 283.3B | 6.8T | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 267.0B | 6.8T | 5 | |
| No | 55 days retention | Yes | United States | Terms | Privacy | 223.7B | 6.1T | 31 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 214.0B | 6.8T | 4 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 201.1B | 3.9T | 42 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 198.4B | 1.0T | 6 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 186.6B | 4.8T | 13 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 168.8B | 8.4T | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 166.6B | 4.7T | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 166.1B | 5.1T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 147.0B | 2.3T | 8 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 129.3B | 4.8T | 11 | |
| No | Retains prompts | Yes | United States | — | Privacy | 124.0B | 6.4T | 29 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 118.9B | 3.0T | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 117.5B | 2.1T | 5 | |
| No | 30 days retention | Yes | France | Terms | Privacy | 94.1B | 2.0T | 30 | |
| No | Zero retention | No | — | — | — | 72.8B | 1.2T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 72.6B | 2.2T | 38 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 72.2B | 1.3T | 10 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 71.0B | 1.1T | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 63.4B | 1.1T | 9 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 61.0B | 1.8T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.0B | 2.6T | 20 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 54.4B | 2.7T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 48.6B | 294.7B | 8 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 35.4B | 1.1T | 3 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 34.5B | 813.5B | 6 | |
| No | Zero retention | No | United States | Terms | Privacy | 27.8B | 454.3B | 3 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 27.4B | 554.3B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 22.9B | 775.2B | 8 | |
| No | Zero retention | Yes | — | — | — | 21.7B | 268.1B | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 20.5B | 563.9B | 22 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 18.0B | 519.7B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 16.3B | 268.7B | 6 | |
| No | Retains prompts | No | — | Terms | Privacy | 16.0B | 408.8B | 9 | |
| No | Zero retention | No | Indonesia | Terms | Privacy | 15.3B | 570.0B | 8 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 15.2B | 968.5B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 14.4B | 458.6B | 7 | |
| No | Zero retention | No | — | Terms | Privacy | 14.3B | 208.5B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 13.8B | 587.3B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 10.3B | 231.2B | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 10.1B | 183.2B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.1B | 158.9B | 2 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 6.3B | 101.1B | 4 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.7B | 24.6B | 3 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.8B | 68.6B | 16 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.3B | 97.5B | 9 | |
| No | 30 days retention | No | China | — | Privacy | 1.9B | 1.0T | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.6B | 1.6B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1B | 32.5B | 6 | |
| No | Retains prompts | No | — | Terms | Privacy | 1.1B | 39.2B | 3 | |
| No | 30 days retention | Yes | Israel | Terms | Privacy | 911.0M | 38.8B | 6 | |
| No | Zero retention | No | United States | Terms | Privacy | 603.8M | 28.5B | 4 | |
| No | 30 days retention | No | — | Terms | Privacy | 405.6M | 23.5B | 2 | |
| No | 30 days retention | No | — | Terms | Privacy | 281.8M | 6.0B | 8 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 175.2M | 24.7B | 4 | |
| No | Retains prompts | Yes | United States | — | — | 117.6M | 5.2B | 1 | |
| No | Retains prompts | No | — | — | — | 71.6M | 1.6B | 16 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 24.8M | 8.9B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 11.5M | 23.9B | 3 | |
| No | 30 days retention | No | — | Terms | Privacy | 10.0M | 313.9M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 6.3M | 23.5M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.5M | 81.0M | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 112.8K | 14.8M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 6.0K | 6.0K | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 0 | 0 | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |