| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.1T | 14.8T | 99 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.1T | 15.6T | 59 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 970.7B | 37.9T | 68 | |
| No | Zero retention | Yes | China | Terms | Privacy | 943.4B | 10.3T | 1 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 924.1B | 35.7T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 838.5B | 8.5T | 89 | |
| Yes | Retains prompts | No | United States | Terms | Privacy | 398.3B | 12.7T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 360.9B | 13.5T | 30 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 360.0B | 10.8T | 3 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 341.3B | 9.8T | 25 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 313.6B | 4.1T | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 280.6B | 6.3T | 14 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 268.9B | 4.0T | 24 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 237.7B | 7.7T | 22 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 229.8B | 1.3T | 18 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 226.5B | 7.2T | 56 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 213.9B | 10.6T | 12 | |
| No | Retains prompts | Yes | — | — | — | 198.3B | 5.9T | 1 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 182.0B | 3.2T | 36 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 178.9B | 4.6T | 9 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 155.5B | 3.3T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 113.8B | 3.1T | 52 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 70.7B | 1.5T | 39 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 67.0B | 2.1T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 62.7B | 1.4T | 8 | |
| No | Retains prompts | Yes | United States | — | Privacy | 58.0B | 3.3T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 52.9B | 652.4B | 31 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 52.9B | 975.4B | 29 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 40.5B | 679.4B | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 38.2B | 833.8B | 8 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 36.1B | 1.2T | 11 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 35.2B | 701.5B | 15 | |
| No | Zero retention | Yes | — | Terms | Privacy | 34.5B | 645.2B | 16 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 25.3B | 578.8B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 24.3B | 166.6B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 21.9B | 625.8B | 10 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 20.6B | 134.3B | 2 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 17.8B | 410.8B | 18 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 13.7B | 422.7B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 12.3B | 177.7B | 8 | |
| No | Zero retention | No | United States | Terms | Privacy | 11.9B | 147.0B | 4 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 10.8B | 452.9B | 13 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 10.2B | 273.0B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.7B | 442.0B | 9 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.7B | 145.8B | 17 | |
| No | Retains prompts | No | — | — | — | 9.1B | 255.6B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.5B | 37.0B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.5B | 57.5B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 7.4B | 359.3B | 5 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.9B | 279.3B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.8B | 150.4B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.6B | 572.1B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.2B | 164.8B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 5.0B | 206.4B | 6 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.2B | 97.4B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.0B | 136.5B | 3 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.3B | 89.4B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.3B | 88.9B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.2B | 67.6B | 8 | |
| No | 30 day retention | No | China | — | Privacy | 2.0B | 55.4B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.9B | 32.8B | 3 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.8B | 49.7B | 4 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.5B | 46.1B | 8 | |
| No | 30 day retention | No | United States | Terms | Privacy | 1.4B | 6.7B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 930.3M | 5.0B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 537.0M | 23.1B | 1 | |
| No | Retains prompts | No | — | — | — | 509.7M | 2.8B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 260.4M | 5.3B | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 198.7M | 9.7B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 177.0M | 10.2B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 25.8M | 181.4M | 3 | |
| No | Retains prompts | Yes | Israel | Terms | Privacy | 22.7M | 433.2M | 1 | |
| No | Retains prompts | Yes | United States | — | — | 18.7M | 2.5B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 11.4M | 393.2M | 4 | |
| No | Retains prompts | No | — | — | — | 10.4M | 238.3M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 5.7M | 217.8M | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.7M | 5.6M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.5M | 265.5M | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 43.1K | 1.4M | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |