| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.8T | 37.6T | 92 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.7T | 37.8T | 5 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 1.5T | 8.6T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 740.3B | 24.1T | 62 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 691.6B | 20.2T | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 667.4B | 5.0T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 648.3B | 20.1T | 71 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 594.4B | 10.8T | 23 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 570.5B | 30.8T | 2 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 447.9B | 10.0T | 22 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 410.2B | 17.0T | 99 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 383.1B | 10.7T | 8 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 283.2B | 7.8T | 62 | |
| No | 30 day retention | No | United States | Terms | Privacy | 252.0B | 3.5T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 244.6B | 9.5T | 31 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 222.6B | 11.5T | 3 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 220.2B | 7.8T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 208.6B | 6.8T | 23 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 183.8B | 5.6T | 12 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 169.9B | 6.6T | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 168.0B | 2.2T | 40 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 167.3B | 1.7T | 2 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 167.2B | 5.4T | 25 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 143.7B | 3.9T | 51 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 127.7B | 4.6T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 122.6B | 2.4T | 34 | |
| No | Zero retention | Yes | — | Terms | Privacy | 122.4B | 2.6T | 19 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 105.0B | 1.5T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 103.1B | 547.5B | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 100.0B | 1.8T | 11 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 97.9B | 2.7T | 12 | |
| No | Retains prompts | Yes | United States | — | Privacy | 85.3B | 2.7T | 34 | |
| No | Retains prompts | Yes | — | Terms | — | 68.9B | 3.4T | 1 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 54.5B | 2.4T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 52.7B | 647.9B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 46.0B | 1.2T | 33 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 43.8B | 327.5B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 42.9B | 554.8B | 22 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 42.9B | 981.7B | 18 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 38.4B | 629.0B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 37.0B | 1.0T | 4 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 34.7B | 790.7B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 34.6B | 762.2B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 33.2B | 602.4B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 31.4B | 489.0B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 30.1B | 277.2B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 25.8B | 517.1B | 6 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 24.0B | 368.3B | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 19.3B | 1.5T | 4 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 18.9B | 536.9B | 4 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 16.6B | 432.7B | 21 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 16.5B | 314.9B | 7 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 16.4B | 868.2B | 8 | |
| No | Retains prompts | No | — | — | — | 14.3B | 280.8B | 3 | |
| No | Zero retention | No | — | — | — | 11.9B | 71.6B | 3 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 11.9B | 341.2B | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.7B | 255.3B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 8.8B | 235.0B | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 7.3B | 154.5B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.6B | 112.3B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.4B | 169.5B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 6.3B | 194.4B | 6 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.7B | 68.6B | 14 | |
| No | Zero retention | No | United States | Terms | Privacy | 3.5B | 204.2B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 3.5B | 61.4B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.9B | 91.3B | 8 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.9B | 54.5B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.5B | 45.0B | 7 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.5B | 30.8B | 2 | |
| No | 30 day retention | No | China | — | Privacy | 797.5M | 101.0B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 708.3M | 45.9B | 4 | |
| No | 30 day retention | No | — | Terms | Privacy | 322.3M | 7.3B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 315.5M | 13.0B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 290.2M | 6.4B | 2 | |
| No | Retains prompts | Yes | United States | — | — | 98.4M | 984.1M | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 44.4M | 794.4M | 3 | |
| No | Retains prompts | No | — | — | — | 11.2M | 324.0M | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.7M | 6.2B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 7.4M | 326.6M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.2M | 330.7M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 562.5K | 11.1M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |