The XposterAI blog

Grow on X, on purpose.

Updates, engineering deep dives, and growth tips.

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Cover image for Three free AI tools for X creators — no card, three uses a day, no nonsense
Aug 11, 2026 · 5 min read

Three free AI tools for X creators — no card, three uses a day, no nonsense

Three small AI-powered X tools we run ourselves: a tone rewriter, a reply generator, and a hashtag generator. Three free uses per tool per day, hard-capped input, no signup.

#free tools #twitter #x #ai #creator tools
Cover image for Three free AI tools that fix the way you reply on X
Jul 21, 2026 · 4 min read

Three free AI tools that fix the way you reply on X

Three small AI tools we just shipped: a reply audit that grades your draft before you post it, a hook strength analyzer for your opening line, and a persona-tagged bio generator. Three free uses per day each, no signup.

#free tools #twitter #x #ai #replies #creator tools
Cover image for Grok 4.20 vs ChatGPT 5.5 vs Claude Opus 4.7 for writing X replies (tested on 100 hooks)
May 25, 2026 · 9 min read

Grok 4.20 vs ChatGPT 5.5 vs Claude Opus 4.7 for writing X replies (tested on 100 hooks)

Side-by-side test of Grok 4.20, ChatGPT 5.5, and Claude Opus 4.7 on writing X (Twitter) replies. Which AI sounds most human, which gets flagged by Grok's algo, which is fastest in workflow.

#ai #twitter #x #grok #chatgpt #claude #reply generator #creator tools
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