| Trains | Retention | BYOK | Headquarters | Terms of service | Privacy policy | ||||
|---|---|---|---|---|---|---|---|---|---|
| No | Retains prompts | Yes | United States | Terms | Privacy | 1.1T | 14.1T | 61 | |
| No | 30 day retention | Yes | China | Terms | Privacy | 1.0T | 35.5T | 2 | |
| No | Zero retention | Yes | China | Terms | Privacy | 947.9B | 9.3T | 1 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 913.8B | 37.5T | 69 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 819.3B | 7.8T | 88 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 546.7B | 15.0T | 50 | |
| Yes | Retains prompts | Yes | China | Terms | Privacy | 432.7B | 10.9T | 3 | |
| Yes | Retains prompts | No | United States | Terms | Privacy | 388.3B | 12.5T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 350.2B | 13.9T | 30 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 329.3B | 3.9T | 4 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 289.8B | 9.7T | 14 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 258.5B | 7.3T | 56 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 250.9B | 6.4T | 14 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 250.8B | 1.1T | 18 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 221.5B | 4.5T | 9 | |
| No | Retains prompts | Yes | Singapore | Terms | Privacy | 201.8B | 11.0T | 12 | |
| No | Retains prompts | Yes | — | — | — | 187.4B | 5.9T | 1 | |
| No | Retains prompts | Yes | China | Terms | Privacy | 187.3B | 7.7T | 21 | |
| No | 55 day retention | Yes | United States | Terms | Privacy | 145.3B | 3.9T | 24 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 125.5B | 3.2T | 4 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 107.2B | 3.3T | 36 | |
| No | Retains prompts | Yes | United States | — | Privacy | 88.1B | 3.4T | 33 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 87.4B | 3.1T | 52 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 73.2B | 1.4T | 8 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 68.1B | 2.1T | 10 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 66.3B | 1.5T | 39 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 62.0B | 943.2B | 24 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 51.5B | 609.3B | 31 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 40.5B | 803.6B | 8 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 38.9B | 694.9B | 15 | |
| No | Zero retention | Yes | Singapore | Terms | Privacy | 35.0B | 1.2T | 11 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 32.4B | 655.5B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 30.8B | 142.3B | 1 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 27.3B | 567.0B | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 25.1B | 621.9B | 16 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 22.6B | 621.6B | 10 | |
| No | Zero retention | Yes | Sweden | Terms | Privacy | 17.2B | 422.1B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 16.0B | 448.7B | 9 | |
| No | Zero retention | Yes | Netherlands | Terms | Privacy | 12.8B | 449.0B | 13 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 11.6B | 139.5B | 18 | |
| No | Zero retention | No | United States | Terms | Privacy | 9.8B | 136.3B | 4 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 9.1B | 168.0B | 8 | |
| No | 30 day retention | Yes | France | Terms | Privacy | 8.5B | 407.8B | 18 | |
| No | Zero retention | Yes | — | Terms | Privacy | 8.4B | 367.6B | 5 | |
| No | Retains prompts | No | — | — | — | 8.1B | 259.2B | 4 | |
| No | Zero retention | Yes | Spain | Terms | Privacy | 8.1B | 267.5B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 7.6B | 50.1B | 8 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.9B | 568.6B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 6.8B | 288.3B | 2 | |
| No | 30 day retention | Yes | United States | Terms | Privacy | 6.7B | 113.7B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 6.0B | 29.5B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.3B | 153.3B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 5.2B | 164.1B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.4B | 138.2B | 3 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 4.1B | 96.7B | 4 | |
| No | Retains prompts | Yes | United States | Terms | Privacy | 3.5B | 208.8B | 6 | |
| No | Retains prompts | No | — | Terms | Privacy | 3.4B | 87.7B | 2 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 2.7B | 89.6B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.3B | 66.3B | 7 | |
| No | Zero retention | No | United States | Terms | Privacy | 1.8B | 31.9B | 3 | |
| No | 30 day retention | Yes | Israel | Terms | Privacy | 1.8B | 48.8B | 4 | |
| No | 30 day retention | No | China | — | Privacy | 1.5B | 53.5B | 2 | |
| No | Zero retention | No | Singapore | Terms | Privacy | 1.3B | 45.9B | 8 | |
| No | Retains prompts | No | — | — | — | 1.1B | 2.3B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 589.8M | 4.1B | 6 | |
| No | Zero retention | Yes | — | Terms | Privacy | 474.2M | 23.3B | 1 | |
| No | Retains prompts | Yes | — | Terms | Privacy | 334.4M | 10.0B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 258.6M | 5.2B | 5 | |
| No | Zero retention | Yes | United States | Terms | Privacy | 203.9M | 11.3B | 1 | |
| No | 30 day retention | No | United States | Terms | Privacy | 75.6M | 5.3B | 1 | |
| No | Retains prompts | Yes | Israel | Terms | Privacy | 32.1M | 420.0M | 1 | |
| No | Zero retention | No | United States | Terms | Privacy | 13.1M | 155.6M | 3 | |
| No | Retains prompts | Yes | United States | — | — | 12.2M | 2.6B | 1 | |
| No | 30 day retention | No | — | Terms | Privacy | 10.9M | 392.1M | 4 | |
| No | Retains prompts | No | — | — | — | 9.6M | 232.0M | 11 | |
| No | Zero retention | Yes | — | Terms | Privacy | 4.2M | 221.0M | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 2.7M | 272.1M | 2 | |
| No | Zero retention | Yes | — | Terms | Privacy | 1.7M | 3.9M | 5 | |
| No | Zero retention | Yes | — | Terms | Privacy | 47.2K | 1.4M | 2 | |
| No | Retains prompts | No | United States | Terms | Privacy | 0 | 0 | 2 |