Pros & Cons
✓ PROS
Cleanest writing interface of any AI tool — pure white canvas, no sidebars
AI assist triggered by +++ command, never interrupts flow unprompted
Generates multiple alternative phrasings side by side for comparison
Multiplayer mode: collaborate with other writers in real time
Feedback mode: AI reads your draft and gives structured critique
✗ CONS
No built-in SEO features whatsoever
Command-based AI requires learning — not for users who want a single button
Export options are basic (no direct CMS publish)
Who Should Use It?
✓ Great for
→ Essay writers and journalists
→ Long-form bloggers who hate AI-bloat interfaces
→ Writers who want AI as a thinking partner, not a ghostwriter
✗ Not ideal for
→ Bulk content production
→ SEO-driven affiliate sites
→ Teams needing publishing workflows
Real Output Sample
Actual output from our test session — same prompt across all tools so you can compare.
LEX · REAL OUTPUTWriting a paragraph, then typing +++
Lex generates 3 continuations:
[A] "The irony is that most AI tools add features to justify their price, which creates exactly the friction that makes writing harder."
[B] "Writer's block isn't a creativity problem. It's an interface problem — and the blank page is almost always better than a dashboard full of buttons."
[C] "The tools that survived our test weren't the most powerful. They were the ones that got out of the way."
Select A, B, or C — or discard all and keep typing.
Marcus Webb
Founder, WriteTested · 14 years in content · 500+ hours testing AI tools
I ran a 20-person content agency before GPT-4 changed the industry. I shut down half the team and started testing every AI writing tool obsessively. Every score on this site comes from real work — not toy prompts, not sponsored placements.