Harmonic vs Tesseract
Harmonic
harmonic.buildTesseract
tesseract.devSide by side
| Figure | Harmonic | Tesseract |
|---|---|---|
| Price from | $4.08/mo | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | — | Yes |
| Windows | — | Yes |
| macOS | Yes | Yes |
| Linux | — | Yes |
| iOS | — | Yes |
| Android | — | Yes |
| Plans published | 4 | 3 |
| Spec score · AI Code Editors | 7.7 (#19) | 8.7 (#7) |
| Privacy | The pricing page states that users’ code never leaves their Mac. | The site says files stay on users’ computers and sign-in is optional, while conversations are stored and processed in the cloud. |
| Product | Harmonic describes itself as a native Mac IDE for building with multiple AI agents. | Tesseract turns plain-language or spoken requests into presentations, websites, logos, videos, and documents on your computer. |
Plans
In their own words
Tesseract
Tesseract turns written or spoken requests into presentations, websites, logos, videos and documents on a computer. It can create presentations and documents, build websites from more than 240 templates spanning 20 industries, make videos, and generate or edit images, fonts and logos. Its research tools search across 121 engines, prepare reports with sources, and can fill forms or gather information from live web pages.
The site lists integrations with Claude, OpenAI Codex, Gemini CLI, OpenCode, Kimi Code, Qwen Code, MiniMax Code, CodeBuddy, Grok Build, Cursor, Hermes Agent, OpenClaw and NanoClaw. Device tools include remote desktop, a private network among Mac, Windows and Linux computers, clipboard history across devices and file sending. Presentations can be downloaded as PowerPoint, PDF or animated web pages; websites are provided as publish-ready files. Tesseract says files stay on users’ computers and sign-in is optional, while conversations are stored and processed in the cloud. Its password manager encrypts passwords on the device using a master password. Desktop apps support Mac, Windows and Linux; browser access is invite-only. Options include a free allowance, a bring-your-own-AI option at free billed forever, and a 10.00 USD one-time top-up.