| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 2.0T | 33.1T | 60 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 2.0T | 30.4T | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 1.4T | 3.8T | 13 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.1T | 33.1T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1T | 23.3T | 62 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 992.4B | 18.5T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 600.4B | 16.3T | 98 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 560.7B | 8.3T | 22 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 549.2B | 12.2T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 543.0B | 20.9T | 71 | |
| No | Zero retention | Yes | — | Terms | Privacy | 509.4B | 2.7T | 3 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 340.3B | 10.1T | 9 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 335.2B | 9.3T | 25 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 325.4B | 7.8T | 62 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 259.1B | 9.8T | 31 | |
| No | 30 day retention | No | United States | Terms | Privacy | 252.6B | 2.7T | 9 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 229.7B | 7.7T | 4 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 201.5B | 5.4T | 25 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 193.5B | 2.1T | 23 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 190.6B | 6.4T | 21 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 173.8B | 5.8T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 158.6B | 3.8T | 51 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 137.2B | 7.3T | 24 | |
| No | Zero retention | Yes | — | Terms | Privacy | 132.7B | 2.3T | 18 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 126.8B | 2.6T | 12 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 124.0B | 4.8T | 38 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 101.1B | 1.2T | 2 | |
| No | Retains prompts | Yes | United States | — | Privacy | 87.2B | 2.8T | 34 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 75.9B | 1.8T | 43 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 75.7B | 2.9T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 72.8B | 1.1T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 67.5B | 1.7T | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 64.5B | 420.8B | 2 | |
| No | Retains prompts | Yes | — | — | — | 62.0B | 4.2T | 1 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 50.7B | 156.3B | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 44.0B | 616.5B | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 42.9B | 960.9B | 17 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 42.4B | 1.2T | 32 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 41.7B | 419.7B | 28 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 31.0B | 441.8B | 20 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 29.6B | 743.9B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 28.9B | 461.5B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 27.2B | 922.7B | 2 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 23.7B | 532.3B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 22.0B | 457.0B | 6 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 17.9B | 627.5B | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 17.3B | 163.0B | 6 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 16.6B | 361.5B | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 15.8B | 281.7B | 7 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 15.7B | 971.9B | 8 | |
| No | Retains prompts | No | — | — | — | 15.5B | 253.1B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 12.9B | 355.7B | 11 | |
| No | Zero retention | No | — | — | — | 12.2B | 25.6B | 3 | |
| No | Zero retention | No | United States | Terms | Privacy | 11.9B | 234.2B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.6B | 1.6T | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 10.4B | 130.5B | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 9.6B | 178.1B | 6 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 8.5B | 334.9B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.6B | 414.7B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.0B | 168.2B | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 6.5B | 89.7B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.5B | 466.4B | 6 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 4.3B | 63.8B | 14 | |
| No | Zero retention | No | United States | Terms | Privacy | 3.3B | 228.5B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.5B | 107.4B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 2.1B | 25.3B | 2 | |
| No | 30 day retention | No | China | — | Privacy | 2.1B | 107.5B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.9B | 54.3B | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 1.8B | 49.5B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.7B | 53.5B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.0B | 50.6B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 407.9M | 13.7B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 224.5M | 7.0B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 95.5M | 317.1M | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 76.0M | 6.7B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 44.6M | 6.2B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 30.0M | 687.3M | 3 | |
| No | Retains prompts | No | — | — | — | 12.4M | 321.3M | 15 | |
| No | 30 day retention | No | — | Terms | Privacy | 9.5M | 343.2M | 4 | |
| No | Retains prompts | Yes | United States | — | — | 6.2M | 664.7M | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 451.0K | 8.5M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |