| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 4.2T | 56.4T | 98 | |
| No | Zero retention | Yes | China | Terms | Privacy | 2.0T | 58.5T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.0T | 20.2T | 74 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 975.1B | 30.6T | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 844.6B | 12.1T | 5 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 778.0B | 24.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 633.0B | 26.7T | 65 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 552.3B | 10.9T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 468.0B | 5.2T | 34 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 447.6B | 17.6T | 23 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 434.3B | 13.6T | 22 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 393.9B | 13.7T | 102 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 296.8B | 4.0T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 259.4B | 4.5T | 39 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 258.6B | 2.5T | 6 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 255.3B | 11.8T | 9 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 240.9B | 4.1T | 2 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 233.6B | 9.5T | 62 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 190.5B | 6.7T | 4 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 153.5B | 5.4T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 151.0B | 4.8T | 57 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 148.9B | 5.4T | 27 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 141.0B | 6.2T | 9 | |
| No | Retains prompts | Yes | United States | — | Privacy | 137.6B | 3.1T | 35 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 134.5B | 5.4T | 23 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 131.9B | 17.8T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 123.2B | 1.8T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 114.6B | 2.6T | 19 | |
| No | 30 day retention | No | China | — | Privacy | 96.6B | 470.6B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 95.0B | 9.2T | 32 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 94.6B | 5.5T | 17 | |
| No | Zero retention | Yes | — | Terms | Privacy | 89.8B | 2.9T | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 85.4B | 2.8T | 5 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 79.4B | 4.5T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 79.2B | 1.4T | 36 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 65.9B | 1.1T | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 55.3B | 2.8T | 13 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 53.9B | 1.9T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 52.6B | 1.7T | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 43.0B | 755.9B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 42.4B | 1.5T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 41.5B | 1.0T | 22 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 41.0B | 877.9B | 7 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 29.8B | 728.5B | 26 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 29.7B | 680.3B | 5 | |
| No | Zero retention | No | — | — | — | 27.1B | 267.9B | 6 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 26.4B | 794.1B | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 24.6B | 565.0B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 21.5B | 814.2B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 21.0B | 670.5B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 19.1B | 1.4T | 3 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 15.0B | 644.2B | 8 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 12.2B | 165.1B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 11.7B | 921.9B | 17 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 10.5B | 339.9B | 8 | |
| No | Retains prompts | No | Indonesia | Terms | Privacy | 10.3B | 19.3B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.2B | 412.6B | 9 | |
| No | Retains prompts | No | — | Terms | Privacy | 8.2B | 267.8B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 7.0B | 99.6B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 5.6B | 262.0B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.2B | 126.5B | 5 | |
| No | Zero retention | No | United States | Terms | Privacy | 4.7B | 271.4B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.6B | 120.2B | 9 | |
| No | Zero retention | No | United States | Terms | Privacy | 4.3B | 133.6B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.6B | 195.1B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.2B | 189.2B | 7 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.8B | 55.7B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.7B | 85.7B | 14 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.7B | 49.6B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 772.3M | 31.4B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 736.3M | 30.9B | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 667.7M | 5.4B | 4 | |
| No | Retains prompts | Yes | — | Terms | — | 357.8M | 1.9T | 1 | |
| No | Retains prompts | No | — | — | — | 250.8M | 238.9B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 167.3M | 7.2B | 7 | |
| No | Retains prompts | Yes | United States | — | — | 109.2M | 2.5B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 48.7M | 48.7M | 3 | |
| No | Zero retention | No | United States | Terms | Privacy | 41.2M | 1.0B | 3 | |
| No | 30 day retention | No | — | Terms | Privacy | 12.4M | 318.3M | 4 | |
| No | Retains prompts | No | — | — | — | 11.5M | 346.2M | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.6M | 1.4B | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.3M | 230.5M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 505.0K | 17.5M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |