| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 2.4T | 53.5T | 98 | |
| No | Zero retention | Yes | China | Terms | Privacy | 2.3T | 58.0T | 5 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.2T | 30.2T | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.1T | 11.3T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1T | 20.0T | 74 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 835.2B | 26.9T | 65 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 763.1B | 11.0T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 675.8B | 4.8T | 33 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 601.8B | 23.6T | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 531.2B | 17.5T | 23 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 512.6B | 13.4T | 22 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 484.4B | 13.9T | 102 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 423.1B | 1.7T | 1 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 326.0B | 3.7T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 284.3B | 4.3T | 39 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 249.0B | 9.5T | 62 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 249.0B | 2.2T | 6 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 240.8B | 6.0T | 9 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 234.3B | 5.6T | 23 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 234.0B | 3.9T | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 210.1B | 17.7T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 187.3B | 4.7T | 57 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 183.7B | 6.8T | 4 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 175.5B | 5.5T | 27 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 175.0B | 9.5T | 32 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 169.8B | 5.4T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 160.6B | 2.6T | 20 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 135.0B | 11.6T | 9 | |
| No | Retains prompts | Yes | United States | — | Privacy | 134.9B | 3.1T | 35 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 131.6B | 5.8T | 17 | |
| No | 30 day retention | No | China | — | Privacy | 125.3B | 376.4B | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 108.4B | 2.9T | 15 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 92.3B | 2.9T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 89.6B | 2.7T | 5 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 85.5B | 4.7T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 82.6B | 1.7T | 5 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 60.7B | 996.8B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 58.7B | 1.3T | 36 | |
| No | Zero retention | Yes | — | Terms | Privacy | 53.4B | 713.0B | 6 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 53.1B | 865.8B | 7 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 53.0B | 2.0T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 51.4B | 558.6B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 47.1B | 1.5T | 13 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 44.6B | 782.0B | 12 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 40.0B | 706.8B | 26 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 30.7B | 1.0T | 22 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 29.5B | 819.5B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 26.8B | 662.6B | 6 | |
| No | Zero retention | No | — | — | — | 26.5B | 240.8B | 6 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 26.1B | 674.8B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 22.9B | 1.4T | 3 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 19.5B | 155.7B | 7 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 16.7B | 661.5B | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 15.3B | 947.2B | 17 | |
| No | Retains prompts | No | — | Terms | Privacy | 13.1B | 263.2B | 7 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 12.1B | 341.1B | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 11.1B | 263.1B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.6B | 418.6B | 9 | |
| No | Zero retention | Yes | — | Terms | Privacy | 10.3B | 118.4B | 9 | |
| No | Retains prompts | No | Indonesia | Terms | Privacy | 9.0B | 9.0B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 8.7B | 272.1B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 7.3B | 93.3B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.3B | 197.2B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.7B | 187.8B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.6B | 127.3B | 5 | |
| No | Zero retention | No | United States | Terms | Privacy | 2.6B | 134.2B | 2 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 2.4B | 86.2B | 14 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.9B | 50.0B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.8B | 55.9B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1B | 31.6B | 7 | |
| No | Retains prompts | Yes | — | Terms | — | 906.2M | 2.0T | 1 | |
| No | Retains prompts | No | — | — | — | 885.4M | 245.0B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 620.4M | 32.3B | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 553.2M | 5.1B | 4 | |
| No | Retains prompts | Yes | United States | — | — | 236.8M | 2.4B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 207.2M | 7.2B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 49.0M | 1.5B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 41.0M | 1.0B | 3 | |
| No | Retains prompts | No | — | — | — | 14.3M | 342.0M | 15 | |
| No | 30 day retention | No | — | Terms | Privacy | 10.0M | 316.1M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.3M | 250.8M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 432.2K | 17.3M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 0 | 0 | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |