| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.3T | 26.5T | 97 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.2T | 30.4T | 2 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.2T | 29.5T | 3 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 944.7B | 13.9T | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 841.0B | 20.0T | 61 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 693.9B | 23.2T | 70 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 573.9B | 13.9T | 97 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 451.8B | 7.1T | 18 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 410.2B | 8.0T | 24 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 364.8B | 7.5T | 59 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 306.8B | 6.6T | 4 | |
| No | 30 day retention | No | United States | Terms | Privacy | 304.5B | 626.4B | 9 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 255.4B | 6.3T | 12 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 249.0B | 8.1T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 241.8B | 10.7T | 30 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 210.1B | 4.2T | 38 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 200.6B | 5.2T | 20 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 199.9B | 12.4T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 181.0B | 3.6T | 51 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 178.9B | 5.2T | 25 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 159.6B | 8.6T | 24 | |
| No | Retains prompts | Yes | United States | — | Privacy | 142.1B | 3.3T | 33 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 110.2B | 2.6T | 12 | |
| No | Zero retention | Yes | — | Terms | Privacy | 109.7B | 1.6T | 18 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 93.8B | 1.1T | 12 | |
| No | Zero retention | Yes | — | Terms | Privacy | 87.6B | 113.0B | 3 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 83.3B | 545.1B | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 82.4B | 3.9T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 77.6B | 552.5B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 74.8B | 1.5T | 31 | |
| No | Retains prompts | Yes | — | — | — | 73.1B | 6.0T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 71.8B | 1.7T | 42 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 58.7B | 1.4T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 48.0B | 1.7T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 40.8B | 570.0B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 37.4B | 263.3B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 36.6B | 1.0T | 32 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 31.2B | 851.4B | 15 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.7B | 1.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 30.5B | 262.0B | 18 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 26.9B | 679.9B | 10 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 23.9B | 479.9B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 19.4B | 386.7B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 19.2B | 213.0B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.0B | 294.9B | 9 | |
| No | Zero retention | No | United States | Terms | Privacy | 14.9B | 195.3B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 14.6B | 687.7B | 5 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 14.5B | 333.6B | 7 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 13.3B | 327.2B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.4B | 501.4B | 6 | |
| No | Retains prompts | No | — | — | — | 9.4B | 243.1B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.1B | 203.8B | 2 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 8.7B | 412.2B | 12 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 8.3B | 320.5B | 18 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 8.1B | 178.4B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.4B | 162.8B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.8B | 237.9B | 1 | |
| No | 30 day retention | No | China | — | Privacy | 5.6B | 112.0B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.6B | 603.9B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.5B | 115.5B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.4B | 65.6B | 7 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.3B | 102.3B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.9B | 53.2B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.7B | 51.0B | 14 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.6B | 12.1B | 2 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 1.3B | 30.3B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.1B | 49.8B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 867.4M | 1.1B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 758.7M | 66.8B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 510.0M | 15.1B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 327.9M | 8.3B | 2 | |
| No | 30 day retention | No | — | Terms | Privacy | 252.2M | 6.4B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 71.9M | 6.6B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 35.3M | 487.9M | 3 | |
| No | Retains prompts | Yes | United States | — | — | 25.9M | 766.4M | 1 | |
| No | Retains prompts | No | — | — | — | 10.3M | 276.7M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 8.0M | 157.2M | 5 | |
| No | 30 day retention | No | — | Terms | Privacy | 6.2M | 349.5M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 466.1K | 3.9M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |