6 of 10 recorded facts differ. Everything below is source-reported with a capture date. Niched has not published a buyer verdict for this pair, so nothing here declares a winner. A winner only exists inside a defined buyer niche with stated constraints.
Open-source Claude Design alternative. One-click import your Claude Code / Codex API key. Prompt → prototype / slides / PDF. Multi-model (Claude, GPT, Gemini, Kimi, GLM, Ollama). BYOK, local-first, MIT. open-codesign is open source, written primarily in TypeScript, released under MIT License. Its repository has 7.6K GitHub stars and 800 forks, and was last committed to within the last two months. Niched places it in UI design & prototyping.
🎨 The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 ex. open-design is open source, written primarily in TypeScript, released under Apache License 2.0. Its repository has 82.7K GitHub stars and 9.6K forks, and was last committed to within the last two weeks. Niched places it in AI coding assistants & agents, UI design & prototyping.