| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| Yes | Retains prompts | No | — | Terms | — | 5.0T | 11.6T | 1 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.4T | 29.9T | 2 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 1.1T | 16.2T | 11 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 816.8B | 9.9T | 9 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 733.2B | 28.6T | 97 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 711.8B | 20.4T | 61 | |
| No | Zero retention | Yes | China | Terms | Privacy | 694.9B | 31.7T | 4 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 565.1B | 8.7T | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 378.1B | 15.0T | 98 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 374.1B | 21.6T | 70 | |
| No | Zero retention | Yes | — | Terms | Privacy | 279.2B | 1.2T | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 220.0B | 7.1T | 4 | |
| No | 30 day retention | No | United States | Terms | Privacy | 213.7B | 1.6T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 202.4B | 3.7T | 51 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 181.8B | 11.8T | 3 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 179.3B | 7.5T | 60 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 164.0B | 6.9T | 18 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 152.3B | 6.0T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 151.7B | 9.9T | 30 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 128.1B | 4.1T | 38 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 118.7B | 1.5T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 102.6B | 5.8T | 21 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 100.6B | 5.2T | 25 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 90.4B | 2.5T | 12 | |
| No | Zero retention | Yes | — | Terms | Privacy | 77.8B | 1.9T | 17 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 77.6B | 879.0B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 72.5B | 1.6T | 4 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 70.8B | 7.5T | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 62.7B | 835.6B | 2 | |
| No | Retains prompts | Yes | — | — | — | 60.0B | 4.8T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 54.6B | 1.8T | 42 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 50.5B | 412.5B | 3 | |
| No | Retains prompts | Yes | United States | — | Privacy | 43.1B | 3.1T | 33 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 41.5B | 3.3T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 41.5B | 1.6T | 30 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 37.4B | 738.4B | 5 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.3B | 1.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 29.9B | 1.1T | 31 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 28.0B | 704.4B | 10 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 26.5B | 899.3B | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 24.8B | 1.7T | 10 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 22.1B | 313.8B | 20 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.6B | 226.9B | 2 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 16.1B | 28.2B | 2 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 15.6B | 497.9B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 15.0B | 90.1B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 14.5B | 578.8B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 14.2B | 478.6B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 13.5B | 403.5B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.5B | 256.5B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 11.3B | 645.5B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.0B | 335.9B | 10 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 9.8B | 327.4B | 7 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 8.8B | 387.6B | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.7B | 313.7B | 20 | |
| No | Zero retention | No | United States | Terms | Privacy | 7.0B | 215.1B | 3 | |
| No | Retains prompts | No | — | — | — | 6.8B | 245.7B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.8B | 394.0B | 3 | |
| No | Zero retention | No | United States | Terms | Privacy | 6.5B | 242.2B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.8B | 163.0B | 2 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 5.3B | 41.2B | 7 | |
| No | Retains prompts | No | — | Terms | Privacy | 5.1B | 107.0B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 3.3B | 165.8B | 6 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.2B | 54.6B | 14 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.7B | 75.8B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.1B | 106.2B | 4 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.7B | 53.7B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.4B | 18.1B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 897.1M | 59.2B | 7 | |
| No | 30 day retention | No | China | — | Privacy | 874.8M | 108.9B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 741.7M | 50.0B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 263.9M | 14.0B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 165.2M | 6.8B | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 136.3M | 7.2B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 23.1M | 581.0M | 3 | |
| No | 30 day retention | No | — | Terms | Privacy | 12.4M | 349.6M | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.1M | 6.7B | 1 | |
| No | Retains prompts | Yes | United States | — | — | 5.5M | 676.7M | 1 | |
| No | Retains prompts | No | — | — | — | 5.4M | 284.5M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.2M | 189.2M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 664.6K | 5.4M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |