Write for Substack. Remix Medium. Keep your voice.
AI drafts that sound like everyone else are useless. Spressif helps bloggers, newsletter writers and creators draft with AI that stays on your rails: your voice, your takes, your sources. Remix articles with clear citations. Publish wherever you already publish. We don’t replace Beehiiv or Medium. We help you write for them.
Early access list. One email when it’s ready. No spam.
The problem with AI for creators
Most AI writing tools optimise for speed and sameness. Your newsletter starts sounding like ChatGPT. Takes contradict each other across months. Research lives in twenty tabs. Remixing a Medium piece into your own opinion either plagiarises or genericises. Platforms like Substack and Beehiiv own audience and send. They don’t protect how you sound.
What Spressif is for
A writing layer upstream of where you publish. Not another CMS. Not an SEO content mill. Assist that respects your voice and cites its sources.
- Voice guide: tone, positions and audience notes the model must respect
- Source library: saved articles and quotes with your annotations
- Remix + cite: respond to a piece in your voice, with attribution rails
- Repurpose: one draft → newsletter, LinkedIn, thread variants
- Bring your own model: ChatGPT, Claude, Gemini; your notes and drafts stay yours
How it works (planned)
The process is structured thus:
- Lock your voice guide, positions and source notes before you ask for a full draft.
- Write one post or issue against that guide, not a vibes chat.
- Remix an article with citation and your take, not a silent rewrite.
- Export clean Markdown or HTML into Substack, Beehiiv, Ghost or wherever you already ship.
Why I’m building this
By day I’m a Product Engineer. I’ve spent a lot of time on specification-driven AI for code, and I’ve packaged the same discipline for fiction writers who lose continuity in chat. Creators hit a parallel wall: voice mush, forgotten claims, source soup. Spressif is that habit for newsletters and blogs. If you wanted a Substack clone or an SEO content mill, this isn’t it. That’s deliberate.
FAQ
- Is this a Substack or Beehiiv competitor?
- No. They own audience and delivery. Spressif is the writing brain upstream: draft, remix, cite, then publish where you already publish.
- Will this write my newsletter for me?
- No. You decide the take. The AI drafts inside rails you set. That’s AI-assisted writing, not “press button, receive issue”.
- When does it ship?
- Early signup first. I’ll email when there’s something real to try: method notes, a product, or both.
- Who is this for?
- Solo bloggers, newsletter operators and creators who publish often and hate sounding like ChatGPT.
Want early access?
Join the list if you want AI writing that keeps your voice, cites sources, and plays nicely with Substack, Medium and Beehiiv. Drop your email above and I’ll let you know when it’s ready.