| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Zero retention | Yes | China | Terms | Privacy | 2.6T | 61.9T | 5 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.9T | 62.6T | 97 | |
| No | 30 days retention | Yes | China | Terms | Privacy | 1.2T | 32.4T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.0T | 21.5T | 74 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 892.3B | 26.5T | 64 | |
| No | Zero retention | Yes | — | Terms | Privacy | 828.8B | 14.6T | 6 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 652.8B | 14.5T | 22 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 627.9B | 11.0T | 2 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 611.8B | 24.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 534.3B | 6.5T | 31 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 482.3B | 9.7T | 64 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 393.8B | 13.6T | 103 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 392.7B | 2.8T | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 389.3B | 18.7T | 13 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 361.6B | 17.8T | 23 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 352.5B | 4.9T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 302.7B | 3.2T | 5 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 243.6B | 5.2T | 23 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 239.7B | 6.8T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 225.9B | 7.7T | 32 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 225.3B | 4.6T | 2 | |
| No | 55 days retention | Yes | United States | Terms | Privacy | 224.5B | 5.3T | 27 | |
| No | Retains prompts | Yes | United States | — | Privacy | 219.6B | 3.4T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 215.7B | 4.9T | 57 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 190.2B | 6.5T | 4 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 188.1B | 5.3T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 177.2B | 1.3T | 23 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 172.8B | 10.9T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 158.5B | 5.2T | 17 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 149.9B | 2.9T | 19 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 143.6B | 5.0T | 39 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 133.5B | 3.0T | 5 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 113.9B | 4.4T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 103.2B | 1.5T | 37 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 90.7B | 971.0B | 10 | |
| No | 30 days retention | No | China | — | Privacy | 87.1B | 664.6B | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 86.3B | 2.9T | 16 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 85.5B | 2.8T | 13 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 71.5B | 1.3T | 2 | |
| No | 30 days retention | Yes | France | Terms | Privacy | 62.3B | 851.5B | 26 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 57.4B | 1.8T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.2B | 669.5B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 47.8B | 1.6T | 14 | |
| No | Zero retention | Yes | — | Terms | Privacy | 43.5B | 901.6B | 7 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 37.1B | 1.9T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 33.8B | 831.9B | 8 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 32.4B | 719.0B | 6 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 25.3B | 899.4B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 22.6B | 904.8B | 18 | |
| No | Zero retention | No | — | — | — | 18.4B | 337.1B | 5 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 17.3B | 603.8B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.1B | 1.0T | 4 | |
| No | Zero retention | No | Indonesia | Terms | Privacy | 16.0B | 59.1B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 15.4B | 650.4B | 6 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 15.0B | 348.1B | 8 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 15.0B | 193.3B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 13.6B | 19.4B | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 12.4B | 290.1B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 12.1B | 149.0B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 11.3B | 271.2B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 10.8B | 274.8B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 8.5B | 413.2B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 7.1B | 118.9B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.2B | 193.9B | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 5.4B | 126.1B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.8B | 195.6B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.3B | 125.1B | 5 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 2.3B | 51.5B | 2 | |
| No | 30 days retention | Yes | Israel | Terms | Privacy | 1.9B | 56.0B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.8B | 86.4B | 14 | |
| No | Retains prompts | Yes | — | Terms | — | 1.4B | 1.5T | 1 | |
| No | Retains prompts | No | — | — | — | 1.2B | 225.0B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.0B | 32.2B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 863.1M | 28.5B | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 420.7M | 6.5B | 4 | |
| No | Retains prompts | Yes | United States | — | — | 226.4M | 3.6B | 1 | |
| No | 30 days retention | No | — | Terms | Privacy | 223.2M | 7.3B | 7 | |
| No | Retains prompts | No | — | — | — | 34.5M | 395.0M | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 18.2M | 1.4B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 13.2M | 1.1B | 3 | |
| No | 30 days retention | No | — | Terms | Privacy | 8.0M | 309.6M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.6M | 219.0M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 597.6K | 18.3M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 | |
| Yes | Retains prompts | No | — | Terms | — | 0 | 27.2T | 1 |