Best AI Writing Tools

An AI writing toolkit purpose-built for academics, language editing, citations, translation, and 30+ journal-submission checks, trained on scholarly papers rather than the open internet.

• Academic language editing in real time
• 30+ pre-submission journal checks
• Citations and accurate translation
• Private — won't train on your work

A browser-based novel-writing studio pairing a "Codex" story-bible memory with bring-your-own-AI-key flexibility, so long fiction stays consistent across 80k+ words.

• Codex story bible keeps long fiction consistent
• Bring your own AI key (BYOK)
• Outline → scene → draft workflow
• Works as an organized studio, AI optional

Works with Browser

A distraction-free, AI-native document editor where the AI stays invisible until you summon it as a thinking partner, feedback-giver, or sentence-continuer.

• Distraction-free, minimalist editor
• AI stays invisible until you summon it
• Ask for feedback or continue a sentence
• Access to premium AI models (Pro)

A real-time AI writing assistant for customer-facing teams that drafts personalized replies, autocompletes, and surfaces knowledge-base answers inside CRMs and help desks.

• Drafts personalized replies in real time
• Suggest: answers from your knowledge bank
• Autocomplete inside CRMs and help desks
• Self-hosted / on-premise for privacy

AI marketing copy with a predictive performance score that estimates how well each variation will convert before you publish.

• Predictive performance score per variation
• Trained on $250M+ in real ad-spend data
• Test copy before you publish
• Brand voice and audience targeting

An AI writing companion that rephrases and refines your sentences to say exactly what you mean.

• Sentence rewriting
• Tone adjustment
• Shorten and expand
• AI summarization

An "AI-first" document editor where the assistant lives inside the page, highlight, prompt, and revise without leaving your draft.

• AI lives inside the document, not a chat box
• Highlight, prompt and revise in place
• Document-first drafting flow
• Built for articles and business docs

A suite of tiny, single-purpose AI tools (Magic ToDo, Formalizer, Compiler, Judge) that turn overwhelming tasks and messy thoughts into clear, correctly-toned writing, built for neurodivergent minds.

• Magic ToDo: breaks big tasks into clear steps
• Formalizer: rewrites your message in any tone
• Compiler: turns a brain-dump into an action list
• Judge: tells you how your message comes across

A fiction-first writing studio powered by "Muse," a proprietary model fine-tuned on published novels for genre-aware prose, plus a Story Bible for long-form consistency.

• Muse: model fine-tuned on published fiction
• Story Bible for long-form consistency
• Brainstorm, draft and rewrite scenes
• Companion iOS and Android app

An advanced grammar and style corrector built specifically for academic and technical English, catching scientific-tone and domain errors generic checkers miss.

• Tuned for academic & technical English
• Catches scientific-tone and domain errors
• Web app, Chrome extension and API
• Privacy-first — data self-deletes (premium)