| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| Yes | Retains prompts | No | — | Terms | — | 6.0T | 46.8T | 1 | |
| No | 30 days retention | Yes | China | Terms | Privacy | 1.5T | 34.8T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.3T | 26.0T | 19 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.3T | 71.4T | 107 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1T | 19.3T | 103 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 975.8B | 24.5T | 8 | |
| No | Zero retention | Yes | China | Terms | Privacy | 920.7B | 64.8T | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 795.8B | 25.6T | 11 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 672.6B | 16.2T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 570.1B | 23.5T | 63 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 518.2B | 25.2T | 76 | |
| No | Zero retention | Yes | — | Terms | Privacy | 410.5B | 5.7T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 408.0B | 8.4T | 39 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 406.2B | 8.6T | 67 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 354.4B | 8.0T | 11 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 340.8B | 14.7T | 22 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 286.9B | 10.9T | 67 | |
| No | Retains prompts | Yes | United States | — | Privacy | 263.7B | 5.5T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 257.0B | 6.9T | 38 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 243.1B | 9.4T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 238.9B | 2.3T | 8 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 220.4B | 9.5T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 194.1B | 3.3T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 179.0B | 7.0T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 171.9B | 5.0T | 6 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 169.9B | 11.1T | 26 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 167.6B | 6.7T | 27 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 160.7B | 6.5T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 160.6B | 1.6T | 8 | |
| No | 55 days retention | Yes | United States | Terms | Privacy | 159.2B | 5.8T | 29 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 145.2B | 9.5T | 19 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 137.2B | 12.8T | 14 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 137.1B | 3.8T | 42 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 135.9B | 5.4T | 4 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 134.3B | 4.9T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 93.7B | 941.0B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 81.3B | 1.9T | 8 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 75.4B | 7.5T | 11 | |
| No | Zero retention | No | United States | Terms | Privacy | 71.4B | 406.9B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 66.8B | 3.3T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 61.4B | 2.0T | 37 | |
| No | 30 days retention | Yes | France | Terms | Privacy | 56.8B | 1.4T | 29 | |
| No | Zero retention | No | — | — | — | 52.3B | 782.6B | 3 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 47.9B | 816.0B | 10 | |
| No | 30 days retention | Yes | United States | Terms | Privacy | 47.5B | 2.6T | 14 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 43.5B | 1.9T | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 40.4B | 2.0T | 16 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 40.2B | 932.9B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 34.9B | 1.1T | 7 | |
| No | Retains prompts | Yes | — | Terms | — | 33.6B | 324.6B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 28.4B | 2.6T | 20 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 26.8B | 1.2T | 10 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 20.5B | 802.0B | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 19.3B | 421.8B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 18.8B | 808.8B | 8 | |
| No | Zero retention | No | Indonesia | Terms | Privacy | 16.6B | 382.5B | 10 | |
| No | Zero retention | Yes | — | — | — | 16.1B | 89.0B | 13 | |
| No | Zero retention | No | United States | Terms | Privacy | 15.3B | 301.1B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 14.9B | 456.6B | 6 | |
| No | Retains prompts | No | — | Terms | Privacy | 13.4B | 392.4B | 9 | |
| No | Zero retention | Yes | — | Terms | Privacy | 12.7B | 533.1B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 12.7B | 617.5B | 21 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 11.3B | 1.2T | 3 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 10.8B | 470.3B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.3B | 177.0B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 5.1B | 205.3B | 3 | |
| No | Zero retention | No | — | Terms | Privacy | 4.8B | 95.3B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.1B | 174.9B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 4.0B | 207.6B | 6 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 3.3B | 71.9B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.0B | 96.6B | 8 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 2.5B | 69.3B | 16 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.4B | 126.1B | 9 | |
| No | 30 days retention | No | China | — | Privacy | 1.6B | 1.5T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1B | 31.0B | 7 | |
| No | 30 days retention | Yes | Israel | Terms | Privacy | 1.1B | 48.0B | 6 | |
| No | 30 days retention | No | — | Terms | Privacy | 1.0B | 17.2B | 2 | |
| No | Retains prompts | No | — | Terms | Privacy | 691.0M | 30.6B | 3 | |
| No | Zero retention | No | United States | Terms | Privacy | 505.1M | 32.0B | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 172.5M | 20.5B | 4 | |
| No | 30 days retention | No | — | Terms | Privacy | 168.1M | 6.1B | 8 | |
| No | Zero retention | No | United States | Terms | Privacy | 140.0M | 140.0M | 2 | |
| No | Retains prompts | Yes | United States | — | — | 95.6M | 5.5B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 59.3M | 8.1B | 2 | |
| No | Retains prompts | No | — | — | — | 49.2M | 904.6M | 16 | |
| No | Zero retention | No | United States | Terms | Privacy | 29.3M | 24.1B | 3 | |
| No | 30 days retention | No | — | Terms | Privacy | 10.0M | 305.1M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.0M | 66.1M | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 216.3K | 19.4M | 3 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |