| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 3.2T | 61.7T | 97 | |
| No | Zero retention | Yes | China | Terms | Privacy | 2.5T | 60.3T | 5 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.2T | 31.8T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 994.3B | 20.9T | 74 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 810.9B | 26.5T | 64 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 786.9B | 14.2T | 22 | |
| No | Zero retention | Yes | — | Terms | Privacy | 720.4B | 13.8T | 6 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 582.2B | 24.1T | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 468.3B | 6.0T | 34 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 462.3B | 10.8T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 444.1B | 2.4T | 2 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 420.9B | 9.4T | 64 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 415.1B | 13.6T | 103 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 369.5B | 18.4T | 13 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 328.7B | 17.6T | 23 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 308.0B | 4.5T | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 246.8B | 4.9T | 38 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 243.6B | 5.1T | 23 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 238.5B | 6.5T | 9 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 231.7B | 4.5T | 2 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 208.2B | 5.3T | 27 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 206.2B | 2.9T | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 196.4B | 4.9T | 57 | |
| No | Retains prompts | Yes | United States | — | Privacy | 185.2B | 3.2T | 34 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 184.7B | 6.6T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 177.3B | 5.2T | 17 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 175.4B | 5.3T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 173.6B | 8.4T | 32 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 135.4B | 11.4T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 127.5B | 2.8T | 19 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 110.8B | 2.9T | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 110.3B | 2.9T | 15 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 90.9B | 4.5T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 87.7B | 1.5T | 37 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 82.0B | 2.8T | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 79.9B | 1.7T | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 76.1B | 1.1T | 23 | |
| No | 30 day retention | No | China | — | Privacy | 74.9B | 578.4B | 2 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 74.7B | 890.6B | 12 | |
| Yes | Retains prompts | No | — | Terms | Privacy | 70.6B | 1.2T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.3B | 624.5B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 53.5B | 858.0B | 7 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 52.6B | 795.4B | 26 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 47.4B | 1.6T | 14 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 46.9B | 1.9T | 3 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 35.4B | 699.1B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 32.4B | 823.1B | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 29.9B | 892.3B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 27.4B | 904.6B | 18 | |
| No | Zero retention | No | — | — | — | 26.1B | 318.7B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 19.8B | 1.2T | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 17.3B | 669.3B | 6 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 17.2B | 617.0B | 8 | |
| No | Zero retention | No | United States | Terms | Privacy | 12.6B | 143.2B | 2 | |
| No | Zero retention | No | Indonesia | Terms | Privacy | 12.5B | 43.2B | 8 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 12.4B | 181.3B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.9B | 412.7B | 6 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 11.7B | 339.3B | 8 | |
| No | Retains prompts | No | — | Terms | Privacy | 11.4B | 280.9B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 8.3B | 268.0B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 7.9B | 266.8B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 6.8B | 112.2B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.7B | 193.9B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.6B | 5.8B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.4B | 193.7B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.4B | 122.8B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.3B | 126.2B | 5 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 2.0B | 50.5B | 2 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 2.0B | 56.0B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.7B | 85.8B | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.3B | 31.9B | 7 | |
| No | Retains prompts | Yes | — | Terms | — | 1.3B | 1.6T | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 996.7M | 6.2B | 4 | |
| No | Retains prompts | No | — | — | — | 755.5M | 228.2B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 677.8M | 28.7B | 5 | |
| No | Retains prompts | Yes | United States | — | — | 483.2M | 3.4B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 282.5M | 7.2B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 31.1M | 1.1B | 3 | |
| No | Retains prompts | No | — | — | — | 27.4M | 366.9M | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 23.8M | 1.4B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 11.0M | 307.8M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.6M | 224.2M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 488.5K | 18.0M | 3 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |