| Price from | $2/mo | — |
| Free plan | Yes | — |
| Free trial | — | Yes |
| Open source | — | — |
| Web | Yes | Yes |
| Windows | — | Yes |
| macOS | — | Yes |
| API | — | Yes |
| Plans published | 7 | 5 |
| Spec score · AI Writing Tools | 8.2 (#105) | 9.3 (#8) |
| Brand voice controls | Yes | Voice profiles configure tone, style and vocabulary so generated content follows an organization’s writing style. |
| Founded | 2026 | G2 states that WRITER was founded in 2020. |
| Free plan | Yes | Yes |
| Headquarters | Austin, TX | San Francisco, California, United States |
| Integrations | Paid plans export drafts to Kit and beehiiv, while the Claude MCP connector makes the brand profile and idea database available in Claude. | GetApp lists Google Chrome, Microsoft Edge, Windows 11, macOS, Slack, Microsoft Word, Microsoft Outlook, Figma and Contentful integrations. |
| Long-form writing | Yes | Yes |
| What it does | Flyletter is an AI newsletter writing platform that drafts newsletters in a user's brand voice. | WRITER is an enterprise platform where AI agents plan and execute multi-step work using company knowledge, rules and connected systems. |
