| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Zero retention | Yes | China | Terms | Privacy | 1.8T | 45.5T | 6 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.6T | 57.7T | 109 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 1.5T | 27.1T | 2 | |
| No | 30 days retention | Yes | China | Terms | Privacy | 1.5T | 46.6T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.3T | 13.0T | 8 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 1.2T | 5.8T | 14 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 1.2T | 31.4T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1T | 40.0T | 24 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 886.1B | 16.4T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 882.8B | 25.5T | 107 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 882.7B | 24.1T | 67 | |
| No | Zero retention | Yes | — | Terms | Privacy | 775.6B | 28.4T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 682.1B | 12.9T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 677.4B | 8.7T | 16 | |
| No | Zero retention | Yes | — | Terms | Privacy | 632.4B | 13.5T | 2 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 531.4B | 11.4T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 485.9B | 5.4T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 482.3B | 9.3T | 38 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 446.6B | 9.5T | 29 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 366.6B | 19.5T | 47 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 322.5B | 5.8T | 4 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 316.7B | 10.2T | 44 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 262.4B | 11.4T | 69 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 251.6B | 7.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 246.0B | 3.2T | 12 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 241.9B | 6.3T | 27 | |
| No | 55 days retention | Yes | United States | Terms | Privacy | 239.8B | 6.3T | 31 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 237.2B | 4.6T | 43 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 236.5B | 1.9T | 9 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 234.5B | 6.8T | 5 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 228.4B | 10.3T | 19 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 193.2B | 6.7T | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 192.1B | 13.4T | 22 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 175.6B | 5.1T | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 161.8B | 11.1T | 41 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 154.7B | 4.9T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 123.8B | 2.7T | 6 | |
| No | Retains prompts | Yes | United States | — | Privacy | 111.6B | 6.2T | 30 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 110.6B | 5.5T | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 95.0B | 1.3T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 94.4B | 1.9T | 21 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 92.5B | 2.2T | 38 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 87.4B | 767.7B | 22 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 71.1B | 3.0T | 15 | |
| No | Zero retention | No | United States | Terms | Privacy | 63.6B | 655.5B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 62.5B | 2.6T | 5 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 59.8B | 1.7T | 2 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 57.3B | 1.6T | 10 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 49.7B | 1.3T | 7 | |
| No | Zero retention | No | — | — | — | 48.9B | 1.5T | 6 | |
| No | Zero retention | No | — | Terms | Privacy | 45.5B | 411.8B | 3 | |
| No | 30 days retention | Yes | France | Terms | Privacy | 43.6B | 2.1T | 30 | |
| No | Zero retention | Yes | — | Terms | Privacy | 39.2B | 308.1B | 5 | |
| No | Zero retention | Yes | — | — | — | 39.0B | 514.9B | 8 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 38.0B | 868.1B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 29.3B | 408.8B | 9 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 27.2B | 757.0B | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 26.0B | 622.5B | 9 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 24.6B | 601.7B | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 21.5B | 715.7B | 8 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 21.3B | 899.1B | 3 | |
| No | Zero retention | No | Indonesia | Terms | Privacy | 20.9B | 563.9B | 10 | |
| No | Zero retention | No | United States | Terms | Privacy | 20.4B | 641.2B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 16.5B | 485.4B | 7 | |
| No | Retains prompts | No | — | Terms | Privacy | 16.3B | 417.8B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 15.0B | 335.2B | 6 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 14.2B | 150.8B | 5 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 8.3B | 182.4B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.2B | 163.7B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 4.2B | 39.3B | 3 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.2B | 79.9B | 16 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.1B | 13.2B | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 2.6B | 67.0B | 4 | |
| No | Retains prompts | Yes | — | Terms | — | 2.5B | 20.5T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.7B | 34.1B | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 1.5B | 16.8B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.4B | 81.8B | 9 | |
| No | 30 days retention | Yes | Israel | Terms | Privacy | 1.0B | 33.5B | 6 | |
| No | Zero retention | No | United States | Terms | Privacy | 503.6M | 25.0B | 4 | |
| No | 30 days retention | No | China | — | Privacy | 451.5M | 493.0B | 2 | |
| No | 30 days retention | No | — | Terms | Privacy | 327.6M | 19.9B | 2 | |
| No | 30 days retention | No | — | Terms | Privacy | 288.6M | 6.0B | 9 | |
| No | Retains prompts | Yes | United States | — | — | 112.4M | 5.0B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 80.0M | 332.5M | 1 | |
| No | Retains prompts | No | — | — | — | 56.5M | 1.9B | 16 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 29.5M | 9.1B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 19.8M | 22.8B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 19.4M | 88.1M | 11 | |
| No | 30 days retention | No | — | Terms | Privacy | 8.7M | 315.8M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 5.8M | 113.5M | 7 | |
| No | Retains prompts | No | United States | Terms | Privacy | 518.8K | 1.0M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 318.4K | 12.0M | 3 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 0 | 0 | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |