| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 2.6T | 45.9T | 96 | |
| No | Zero retention | Yes | China | Terms | Privacy | 2.1T | 49.0T | 5 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 892.5B | 14.6T | 13 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 766.3B | 12.9T | 9 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 742.4B | 22.1T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 663.4B | 19.0T | 72 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 642.7B | 24.7T | 65 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 586.3B | 16.0T | 21 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 458.1B | 12.1T | 23 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 395.1B | 9.9T | 32 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 376.5B | 14.7T | 102 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 335.8B | 8.9T | 62 | |
| No | Zero retention | Yes | — | Terms | Privacy | 335.2B | 7.3T | 4 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 318.0B | 1.9T | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 238.9B | 2.7T | 2 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 184.0B | 7.2T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 183.8B | 2.2T | 4 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 170.7B | 11.3T | 3 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 155.8B | 5.4T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 151.8B | 3.3T | 34 | |
| No | 30 day retention | No | United States | Terms | Privacy | 149.4B | 4.8T | 9 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 140.6B | 27.6T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 140.5B | 4.3T | 57 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 131.8B | 5.2T | 26 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 126.2B | 6.5T | 17 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 120.3B | 3.2T | 38 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 109.8B | 5.9T | 23 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 103.2B | 4.7T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 98.9B | 1.1T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 91.5B | 2.3T | 13 | |
| No | Retains prompts | Yes | United States | — | Privacy | 75.8B | 2.8T | 35 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 63.0B | 625.0B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 54.6B | 1.4T | 5 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 50.1B | 2.8T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 49.4B | 1.3T | 33 | |
| No | Zero retention | Yes | — | Terms | Privacy | 45.4B | 2.9T | 19 | |
| No | Retains prompts | Yes | — | Terms | — | 45.2B | 2.7T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 42.6B | 1.3T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 36.0B | 758.1B | 20 | |
| No | Zero retention | Yes | — | Terms | Privacy | 33.7B | 440.6B | 6 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 33.0B | 593.0B | 12 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 30.5B | 2.3T | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 28.0B | 742.9B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 23.8B | 788.4B | 8 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 21.2B | 522.1B | 21 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 18.9B | 528.6B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 18.8B | 1.5T | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 18.7B | 963.6B | 17 | |
| No | Retains prompts | No | — | Terms | Privacy | 17.6B | 208.3B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.4B | 365.0B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 15.5B | 610.6B | 6 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 15.1B | 731.2B | 8 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 13.9B | 622.6B | 5 | |
| No | Zero retention | No | — | — | — | 10.5B | 138.3B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.2B | 722.2B | 1 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 9.4B | 337.7B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 8.0B | 122.7B | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 7.8B | 60.1B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.0B | 185.5B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 4.4B | 248.5B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 4.3B | 234.2B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.5B | 100.5B | 8 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.4B | 80.1B | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.9B | 189.0B | 7 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 2.3B | 77.0B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 2.2B | 160.7B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 2.0B | 55.2B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.7B | 41.6B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.3B | 40.7B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 898.8M | 36.7B | 7 | |
| No | 30 day retention | No | China | — | Privacy | 877.4M | 101.4B | 2 | |
| No | Retains prompts | No | — | — | — | 655.2M | 272.4B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 210.5M | 7.4B | 6 | |
| No | Retains prompts | Yes | United States | — | — | 121.1M | 1.5B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 50.8M | 5.6B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 42.6M | 919.1M | 3 | |
| No | 30 day retention | No | — | Terms | Privacy | 8.9M | 321.1M | 4 | |
| No | Retains prompts | No | — | — | — | 8.4M | 339.8M | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.9M | 5.5B | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.6M | 327.8M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 877.7K | 15.0M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |