| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | 30 day retention | Yes | China | Terms | Privacy | 1.9T | 30.5T | 2 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.5T | 24.3T | 97 | |
| No | Zero retention | Yes | China | Terms | Privacy | 1.5T | 26.7T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 1.0T | 19.1T | 61 | |
| Yes | Retains prompts | Yes | United States | Terms | Privacy | 717.0B | 13.0T | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 714.2B | 25.9T | 70 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 676.9B | 13.2T | 97 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 431.5B | 6.5T | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 427.8B | 11.2T | 30 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 413.5B | 12.5T | 4 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 404.1B | 7.7T | 23 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 310.0B | 7.0T | 57 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 308.9B | 8.8T | 24 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 271.6B | 5.0T | 25 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 253.7B | 6.2T | 4 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 231.4B | 7.9T | 9 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 224.3B | 4.0T | 38 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 205.2B | 3.5T | 51 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 199.7B | 6.3T | 12 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 177.5B | 4.7T | 20 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 129.8B | 2.4T | 12 | |
| No | Retains prompts | Yes | United States | — | Privacy | 129.4B | 3.2T | 34 | |
| No | Retains prompts | Yes | — | — | — | 127.2B | 6.0T | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 88.6B | 1.4T | 18 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 75.1B | 380.1B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 71.2B | 395.9B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 70.2B | 1.3T | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 63.8B | 1.4T | 32 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 60.7B | 4.1T | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 56.7B | 1.7T | 40 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 52.1B | 1.7T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 39.3B | 976.6B | 33 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 36.0B | 1.0T | 11 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 30.6B | 1.0T | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 28.1B | 832.4B | 15 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 27.9B | 494.1B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 26.3B | 667.2B | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 23.1B | 217.6B | 18 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 23.1B | 194.5B | 3 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 22.0B | 693.4B | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 21.1B | 370.4B | 7 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 19.9B | 460.1B | 5 | |
| No | Zero retention | No | United States | Terms | Privacy | 16.7B | 182.8B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 16.1B | 270.0B | 9 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 15.6B | 308.3B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 15.5B | 483.9B | 8 | |
| No | 30 day retention | No | United States | Terms | Privacy | 12.9B | 32.1B | 9 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 11.9B | 331.4B | 7 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 10.9B | 414.5B | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.7B | 194.5B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 10.2B | 181.6B | 7 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 8.0B | 178.7B | 7 | |
| No | Retains prompts | No | — | — | — | 7.4B | 244.2B | 3 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 6.4B | 332.6B | 18 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.9B | 162.7B | 2 | |
| No | Zero retention | No | United States | Terms | Privacy | 5.0B | 233.0B | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.9B | 16.2B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 3.8B | 113.7B | 4 | |
| No | Zero retention | Yes | — | Terms | Privacy | 3.6B | 60.8B | 8 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.4B | 101.8B | 2 | |
| No | 30 day retention | No | China | — | Privacy | 3.3B | 101.2B | 2 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 3.0B | 49.5B | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.1B | 600.6B | 7 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 2.0B | 52.6B | 4 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 1.6B | 27.1B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.2B | 49.3B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 866.7M | 69.9B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 627.6M | 15.1B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 176.2M | 6.2B | 5 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 124.1M | 8.4B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 28.8M | 6.5B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 27.0M | 376.3M | 4 | |
| No | Zero retention | No | United States | Terms | Privacy | 24.8M | 420.1M | 3 | |
| No | Retains prompts | Yes | United States | — | — | 20.3M | 999.6M | 1 | |
| No | Zero retention | Yes | — | Terms | Privacy | 8.5M | 250.8M | 2 | |
| No | Retains prompts | No | — | — | — | 8.5M | 266.3M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.9M | 143.6M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 294.1K | 3.1M | 3 | |
| No | Retains prompts | Yes | Israel | Terms | Privacy | 0 | 341.9M | 1 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |