| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| Yes | Retains prompts | No | — | Terms | — | 5.9T | 17.5T | 1 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.7T | 30.0T | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.2T | 29.4T | 97 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 1.1T | 16.8T | 8 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.1T | 32.1T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 915.9B | 20.9T | 62 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 589.5B | 10.1T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 547.1B | 15.3T | 97 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 488.5B | 21.5T | 67 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 429.9B | 7.2T | 21 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 337.2B | 8.9T | 24 | |
| No | 30 day retention | No | United States | Terms | Privacy | 327.4B | 1.9T | 9 | |
| No | Zero retention | Yes | — | Terms | Privacy | 305.8B | 1.5T | 3 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 258.1B | 7.6T | 61 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 236.5B | 7.3T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 233.6B | 9.9T | 30 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 206.2B | 11.7T | 3 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 180.6B | 1.6T | 12 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 179.5B | 4.2T | 38 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 166.7B | 5.9T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 158.5B | 5.9T | 21 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 155.8B | 3.7T | 51 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 152.4B | 7.5T | 24 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 150.9B | 5.3T | 25 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 110.8B | 2.5T | 12 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 84.5B | 491.3B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 82.6B | 1.7T | 29 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 80.8B | 916.5B | 2 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 78.0B | 957.0B | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 71.9B | 3.2T | 4 | |
| No | Retains prompts | Yes | United States | — | Privacy | 71.5B | 3.1T | 33 | |
| No | Zero retention | Yes | — | Terms | Privacy | 67.1B | 2.0T | 17 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 65.3B | 802.4B | 3 | |
| No | Retains prompts | Yes | — | — | — | 61.8B | 4.7T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.3B | 1.8T | 42 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 40.8B | 264.5B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 40.2B | 1.6T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 33.9B | 1.1T | 31 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 33.6B | 923.8B | 16 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 33.3B | 1.6T | 10 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 32.5B | 329.4B | 23 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 31.0B | 1.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 30.5B | 717.7B | 10 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 22.3B | 509.2B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 20.2B | 48.4B | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 20.1B | 413.1B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 20.0B | 330.9B | 21 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 19.8B | 485.0B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 18.1B | 108.2B | 5 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 15.9B | 640.5B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 12.3B | 264.4B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.9B | 342.1B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.7B | 548.8B | 7 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 11.1B | 376.9B | 13 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 10.6B | 171.0B | 6 | |
| No | Retains prompts | No | — | — | — | 10.3B | 247.7B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.4B | 398.3B | 2 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 8.3B | 330.3B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 8.0B | 218.9B | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 7.9B | 111.5B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.5B | 164.0B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.5B | 240.3B | 1 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 4.3B | 56.4B | 14 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.2B | 78.0B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.9B | 107.0B | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 2.3B | 43.6B | 7 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 2.0B | 20.1B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.7B | 53.9B | 4 | |
| No | 30 day retention | No | China | — | Privacy | 1.6B | 109.4B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.3B | 58.2B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.0B | 50.5B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 621.7M | 14.2B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 234.2M | 6.9B | 6 | |
| No | Retains prompts | Yes | United States | — | — | 57.5M | 719.8M | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 54.1M | 7.0B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 40.5M | 614.8M | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 16.1M | 6.7B | 1 | |
| No | Retains prompts | No | — | — | — | 9.9M | 286.9M | 11 | |
| No | 30 day retention | No | — | Terms | Privacy | 9.8M | 337.6M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.1M | 191.3M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 336.0K | 5.7M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |