| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| Yes | Retains prompts | No | — | Terms | — | 4.5T | 6.5T | 1 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.4T | 30.1T | 2 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 949.1B | 15.6T | 11 | |
| No | Zero retention | Yes | China | Terms | Privacy | 739.6B | 31.7T | 4 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 723.9B | 9.1T | 9 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 709.1B | 28.2T | 97 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 562.1B | 20.3T | 61 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 496.0B | 8.4T | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 406.9B | 21.9T | 70 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 399.1B | 14.9T | 98 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 242.6B | 7.6T | 60 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 214.5B | 7.0T | 4 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 188.1B | 12.0T | 3 | |
| No | 30 day retention | No | United States | Terms | Privacy | 174.5B | 1.4T | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 161.8B | 10.0T | 30 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 155.1B | 6.0T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 150.5B | 3.6T | 51 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 131.4B | 6.9T | 18 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 126.0B | 1.4T | 12 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 120.5B | 5.3T | 25 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 109.3B | 5.8T | 21 | |
| No | Zero retention | Yes | — | Terms | Privacy | 99.8B | 886.1B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 95.5B | 1.8T | 17 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 91.0B | 2.5T | 12 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 80.0B | 801.5B | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 68.9B | 7.8T | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 66.2B | 1.5T | 4 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 65.6B | 4.1T | 38 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.6B | 1.8T | 42 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.0B | 772.9B | 2 | |
| No | Retains prompts | Yes | — | — | — | 55.4B | 5.0T | 1 | |
| No | Retains prompts | Yes | United States | — | Privacy | 51.6B | 3.2T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 45.9B | 701.6B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 44.2B | 1.6T | 30 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 36.4B | 3.4T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 33.0B | 1.1T | 31 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.1B | 1.0T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 28.4B | 696.6B | 10 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 28.0B | 366.7B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 26.0B | 309.7B | 20 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 23.6B | 1.7T | 10 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 23.1B | 889.5B | 15 | |
| No | Zero retention | Yes | — | Terms | Privacy | 17.2B | 75.1B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 16.8B | 331.3B | 10 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 15.6B | 498.6B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 15.1B | 396.3B | 3 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 14.0B | 311.0B | 20 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 13.3B | 488.0B | 6 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 11.4B | 658.6B | 5 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 11.3B | 12.1B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.2B | 602.6B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 9.9B | 401.0B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.2B | 247.9B | 7 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 9.0B | 398.9B | 12 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 8.7B | 326.2B | 7 | |
| No | Retains prompts | No | — | — | — | 8.2B | 247.2B | 3 | |
| No | Zero retention | No | United States | Terms | Privacy | 7.1B | 242.6B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.8B | 216.0B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.3B | 212.6B | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 5.2B | 105.3B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.0B | 162.8B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 4.3B | 172.1B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.0B | 73.9B | 8 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 2.9B | 53.5B | 14 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 2.1B | 35.9B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.8B | 108.7B | 4 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.6B | 53.6B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.4B | 16.8B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.0B | 60.8B | 7 | |
| No | 30 day retention | No | China | — | Privacy | 964.3M | 110.0B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 660.3M | 49.7B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 264.4M | 14.5B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 202.1M | 6.8B | 6 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 165.5M | 7.4B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 35.1M | 6.8B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 31.8M | 566.3M | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 13.4M | 184.9M | 5 | |
| No | Retains prompts | Yes | United States | — | — | 13.3M | 708.2M | 1 | |
| No | Retains prompts | No | — | — | — | 8.1M | 286.1M | 11 | |
| No | 30 day retention | No | — | Terms | Privacy | 5.8M | 349.2M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 408.5K | 4.7M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |