| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Zero retention | Yes | China | Terms | Privacy | 1.3T | 12.5T | 1 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.2T | 16.5T | 99 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 800.6B | 9.8T | 90 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 788.9B | 35.9T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 770.3B | 36.9T | 70 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 753.8B | 16.5T | 59 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 450.7B | 11.0T | 3 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 437.0B | 13.2T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 339.9B | 12.7T | 30 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 327.4B | 6.3T | 14 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 313.0B | 9.5T | 24 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 305.5B | 4.5T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 273.1B | 1.9T | 18 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 241.7B | 7.8T | 22 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 229.1B | 4.3T | 24 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 202.9B | 6.9T | 56 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 183.7B | 9.6T | 12 | |
| No | Retains prompts | Yes | — | — | — | 177.2B | 5.9T | 1 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 131.3B | 4.7T | 9 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 127.8B | 3.2T | 36 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 121.5B | 3.5T | 4 | |
| No | Retains prompts | Yes | United States | — | Privacy | 97.6B | 3.3T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 96.0B | 3.1T | 50 | |
| No | Zero retention | Yes | — | Terms | Privacy | 70.4B | 721.5B | 17 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 69.1B | 2.2T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 64.1B | 1.5T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 59.4B | 1.6T | 39 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 47.1B | 1.0T | 29 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 39.2B | 714.6B | 31 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 34.6B | 710.7B | 15 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.5B | 875.8B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 26.9B | 690.3B | 2 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 26.4B | 1.2T | 11 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 21.8B | 607.6B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 20.3B | 629.2B | 10 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 18.7B | 187.8B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 17.5B | 437.8B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 14.4B | 221.8B | 1 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 14.4B | 285.6B | 8 | |
| No | Zero retention | No | United States | Terms | Privacy | 14.0B | 173.1B | 4 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 13.1B | 414.7B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 12.0B | 590.7B | 7 | |
| No | Retains prompts | No | — | — | — | 11.0B | 257.2B | 4 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 10.8B | 452.2B | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.3B | 189.2B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 8.9B | 351.7B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 8.6B | 158.2B | 17 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 8.3B | 73.4B | 8 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 7.7B | 403.8B | 18 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.9B | 52.9B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.5B | 159.1B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.3B | 165.8B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 4.7B | 200.4B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.1B | 135.4B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.5B | 98.6B | 4 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.4B | 92.6B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 3.3B | 255.4B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.8B | 86.7B | 6 | |
| No | Zero retention | No | United States | Terms | Privacy | 2.2B | 35.8B | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.2B | 68.7B | 8 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.7B | 50.8B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.3B | 46.8B | 8 | |
| No | 30 day retention | No | China | — | Privacy | 1.2B | 56.2B | 2 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 759.7M | 6.5B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 430.9M | 22.5B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 170.1M | 5.3B | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 165.5M | 9.0B | 1 | |
| No | Retains prompts | Yes | United States | — | — | 150.2M | 2.3B | 1 | |
| No | 30 day retention | No | United States | Terms | Privacy | 105.1M | 7.5B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 80.2M | 3.3B | 1 | |
| No | Retains prompts | Yes | Israel | Terms | Privacy | 18.0M | 470.0M | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 15.0M | 10.4B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 13.2M | 205.9M | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 11.6M | 218.2M | 2 | |
| No | 30 day retention | No | — | Terms | Privacy | 9.2M | 389.9M | 4 | |
| No | Retains prompts | No | — | — | — | 7.9M | 236.6M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.4M | 12.3M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.8M | 275.0M | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 56.8K | 1.5M | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |