| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Zero retention | Yes | China | Terms | Privacy | 1.0T | 25.2T | 1 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 948.5B | 23.0T | 97 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 919.3B | 18.5T | 61 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 873.2B | 11.2T | 30 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 710.2B | 7.8T | 9 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 675.7B | 12.8T | 11 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 613.2B | 29.9T | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 483.1B | 27.2T | 70 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 465.3B | 12.5T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 369.8B | 12.7T | 98 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 346.1B | 7.5T | 23 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 269.6B | 6.0T | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 224.6B | 6.1T | 15 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 211.1B | 3.9T | 38 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 197.3B | 6.9T | 56 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 185.0B | 4.6T | 20 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 180.0B | 6.5T | 12 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 174.5B | 4.9T | 25 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 173.5B | 1.2T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 161.7B | 3.3T | 51 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 161.2B | 8.7T | 24 | |
| No | Retains prompts | Yes | — | — | — | 113.1B | 6.0T | 1 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 70.0B | 2.4T | 12 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 68.9B | 305.0B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 66.3B | 1.4T | 32 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 60.9B | 4.1T | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 54.6B | 1.4T | 18 | |
| No | Retains prompts | Yes | United States | — | Privacy | 53.1B | 3.1T | 34 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 52.1B | 1.7T | 39 | |
| No | Zero retention | Yes | — | Terms | Privacy | 34.4B | 363.8B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 32.5B | 947.3B | 32 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 31.7B | 1.0T | 11 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.4B | 996.1B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 29.1B | 1.6T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 25.0B | 657.4B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 23.3B | 324.7B | 5 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 22.4B | 824.2B | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 20.1B | 178.0B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 19.3B | 466.2B | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 18.2B | 686.6B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 14.4B | 257.8B | 9 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 13.3B | 298.0B | 2 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 12.5B | 451.3B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.2B | 480.9B | 8 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 10.3B | 329.2B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 8.4B | 185.9B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 8.1B | 173.7B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 8.1B | 171.4B | 7 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.9B | 199.8B | 19 | |
| No | Zero retention | No | United States | Terms | Privacy | 6.3B | 230.3B | 1 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 6.3B | 337.7B | 18 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.1B | 162.3B | 3 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 6.1B | 414.2B | 14 | |
| No | Retains prompts | No | — | — | — | 4.4B | 239.0B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.4B | 112.8B | 5 | |
| No | 30 day retention | No | United States | Terms | Privacy | 3.8B | 19.2B | 1 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.2B | 101.3B | 2 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 2.9B | 25.5B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 2.9B | 180.8B | 7 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.2B | 59.7B | 8 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.1B | 11.4B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.9B | 600.5B | 7 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.8B | 52.2B | 4 | |
| Yes | Retains prompts | Yes | — | Terms | Privacy | 1.4B | 8.5B | 1 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.1B | 47.2B | 14 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.0B | 49.0B | 3 | |
| No | 30 day retention | No | China | — | Privacy | 816.6M | 99.0B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 748.2M | 71.3B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 407.5M | 15.5B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 144.5M | 8.4B | 2 | |
| No | 30 day retention | No | — | Terms | Privacy | 109.4M | 6.1B | 5 | |
| No | Retains prompts | Yes | United States | — | — | 30.7M | 1.1B | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 26.0M | 6.5B | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 14.4M | 395.2M | 3 | |
| No | Zero retention | Yes | — | Terms | Privacy | 6.8M | 138.7M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 6.5M | 247.5M | 2 | |
| No | Retains prompts | No | — | — | — | 6.4M | 267.4M | 11 | |
| No | 30 day retention | No | — | Terms | Privacy | 6.2M | 360.3M | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 294.7K | 2.9M | 3 | |
| No | Retains prompts | Yes | Israel | Terms | Privacy | 0 | 355.0M | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |