| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 2.2T | 34.9T | 60 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.6T | 31.2T | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 1.5T | 5.2T | 13 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.3T | 33.8T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 855.4B | 23.5T | 62 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 840.0B | 9.0T | 23 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 827.4B | 18.9T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 565.4B | 16.7T | 99 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 548.3B | 20.5T | 72 | |
| No | Zero retention | Yes | — | Terms | Privacy | 505.4B | 3.2T | 4 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 372.8B | 9.4T | 25 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 312.5B | 7.7T | 62 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 286.7B | 10.2T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 238.1B | 9.8T | 31 | |
| No | 30 day retention | No | United States | Terms | Privacy | 233.0B | 2.9T | 9 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 219.0B | 7.8T | 4 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 192.8B | 12.0T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 192.0B | 6.5T | 22 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 188.7B | 2.2T | 34 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 162.7B | 5.4T | 25 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 157.8B | 5.7T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 150.4B | 3.8T | 51 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 139.3B | 7.1T | 24 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 104.4B | 2.6T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 101.6B | 1.2T | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 97.8B | 1.3T | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 94.3B | 2.4T | 19 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 84.5B | 1.9T | 43 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 80.3B | 4.7T | 39 | |
| No | Retains prompts | Yes | United States | — | Privacy | 77.2B | 2.7T | 35 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 77.1B | 492.0B | 2 | |
| No | Retains prompts | Yes | — | — | — | 61.0B | 3.9T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 54.0B | 1.7T | 13 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 46.8B | 203.1B | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 43.2B | 656.3B | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 43.0B | 974.0B | 18 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 41.4B | 2.7T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 39.8B | 477.2B | 21 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 32.9B | 1.2T | 32 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 32.9B | 954.4B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 32.1B | 492.1B | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 31.3B | 476.7B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 30.0B | 751.5B | 10 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 28.2B | 434.4B | 28 | |
| No | Zero retention | Yes | — | Terms | Privacy | 27.8B | 190.8B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 20.2B | 367.3B | 12 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 18.8B | 621.1B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 18.2B | 1.6T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.7B | 385.2B | 7 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 17.1B | 531.4B | 4 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 17.0B | 340.7B | 10 | |
| No | Retains prompts | No | — | — | — | 16.6B | 261.5B | 3 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 15.7B | 931.6B | 8 | |
| No | Zero retention | No | — | — | — | 13.3B | 38.9B | 4 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 12.4B | 356.1B | 12 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 11.6B | 185.7B | 6 | |
| No | Retains prompts | No | — | Terms | Privacy | 11.3B | 138.4B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.2B | 289.5B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.7B | 459.8B | 6 | |
| No | Zero retention | No | United States | Terms | Privacy | 8.4B | 231.4B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.7B | 169.4B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 4.3B | 223.6B | 1 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.9B | 66.3B | 14 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.7B | 90.9B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.4B | 106.8B | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 2.5B | 51.8B | 7 | |
| No | 30 day retention | No | China | — | Privacy | 2.2B | 106.1B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.9B | 54.4B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.5B | 26.8B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1B | 51.1B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 892.5M | 50.1B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 333.9M | 13.4B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 250.5M | 7.0B | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 99.2M | 6.3B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 41.6M | 716.9M | 3 | |
| No | Retains prompts | Yes | United States | — | — | 41.1M | 699.8M | 1 | |
| No | Retains prompts | No | — | — | — | 10.5M | 322.3M | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.7M | 6.2B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 7.3M | 334.0M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.7M | 320.9M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 792.5K | 9.2M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |