| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.6T | 25.6T | 97 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.6T | 28.3T | 1 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.2T | 30.5T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 795.2B | 19.6T | 61 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 735.1B | 13.3T | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 701.2B | 24.7T | 70 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 470.9B | 6.8T | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 455.0B | 13.5T | 97 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 454.9B | 7.9T | 24 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 445.1B | 7.3T | 57 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 368.3B | 12.5T | 4 | |
| No | 30 day retention | No | United States | Terms | Privacy | 289.8B | 321.9B | 9 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 279.0B | 6.4T | 4 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 269.7B | 7.9T | 9 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 268.3B | 6.2T | 12 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 231.5B | 5.2T | 25 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 225.2B | 5.0T | 20 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 224.6B | 8.8T | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 206.0B | 11.0T | 30 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 175.6B | 3.6T | 51 | |
| No | Retains prompts | Yes | United States | — | Privacy | 150.1B | 3.2T | 34 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 130.5B | 2.5T | 12 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 122.9B | 4.1T | 38 | |
| No | Retains prompts | Yes | — | — | — | 105.2B | 6.0T | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 82.7B | 1.5T | 18 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 81.8B | 461.8B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 79.0B | 474.9B | 5 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 74.9B | 4.0T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 74.8B | 1.3T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 74.0B | 1.5T | 32 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 63.9B | 1.7T | 41 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 41.0B | 230.1B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 39.0B | 1.7T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 38.0B | 507.1B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 36.7B | 1.0T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 35.1B | 529.2B | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.6B | 1.0T | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 30.2B | 833.3B | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 28.2B | 678.6B | 10 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 27.7B | 1.0T | 12 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 23.5B | 473.6B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 22.9B | 236.8B | 18 | |
| No | Zero retention | Yes | — | Terms | Privacy | 22.2B | 378.2B | 7 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 17.6B | 320.3B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 17.3B | 696.8B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.0B | 282.9B | 9 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 16.7B | 182.8B | 6 | |
| No | Zero retention | No | United States | Terms | Privacy | 13.9B | 187.3B | 3 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 13.4B | 331.0B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 12.2B | 193.8B | 7 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 10.7B | 414.9B | 13 | |
| No | Zero retention | Yes | — | Terms | Privacy | 9.1B | 25.3B | 3 | |
| No | Retains prompts | No | — | — | — | 8.5B | 242.9B | 3 | |
| No | 30 day retention | No | China | — | Privacy | 7.7B | 107.8B | 2 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 7.0B | 326.7B | 18 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.8B | 236.0B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.1B | 162.6B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.0B | 195.8B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.9B | 602.9B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.6B | 63.0B | 8 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.4B | 102.3B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.2B | 115.4B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 2.0B | 50.5B | 14 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 2.0B | 53.1B | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 1.9B | 29.0B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.6B | 49.9B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 858.7M | 68.7B | 6 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 514.7M | 10.6B | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 495.0M | 15.0B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 282.3M | 8.4B | 2 | |
| No | 30 day retention | No | — | Terms | Privacy | 235.3M | 6.3B | 5 | |
| No | Zero retention | No | United States | Terms | Privacy | 34.9M | 455.0M | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 33.7M | 6.6B | 1 | |
| No | Retains prompts | Yes | United States | — | — | 33.0M | 846.1M | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 24.6M | 269.2M | 2 | |
| No | 30 day retention | No | — | Terms | Privacy | 14.4M | 355.0M | 4 | |
| No | Retains prompts | No | — | — | — | 12.4M | 272.4M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 5.5M | 149.1M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 471.9K | 3.5M | 3 | |
| No | Retains prompts | Yes | Israel | Terms | Privacy | 0 | 334.6M | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |