# ViralGrok > AI tweet generator and content studio for X (Twitter), powered by Grok-4.3 from xAI. ViralGrok is an AI tweet generator built for the X algorithm. It runs live X research before every generation, then writes tweets, threads, and articles with hooks and pacing tuned for impressions, replies, and bookmarks. Every plan uses Grok-4.3 — plan tiers change credit volume and features, not model quality. ## Product - Website: https://www.viralgrok.com - About: https://www.viralgrok.com/about - Pricing: https://www.viralgrok.com/pricing - Sign up: https://www.viralgrok.com/signup - Blog: https://www.viralgrok.com/blog - Glossary: https://www.viralgrok.com/glossary - Free tools: https://www.viralgrok.com/tools ## Free tools - Viral Tweet Scorer: https://www.viralgrok.com/tools/viral-tweet-scorer - Score any tweet draft 0–100 on hook, reply potential, specificity, and AI tells. No account required. - Hook Generator: https://www.viralgrok.com/tools/hook-generator - Enter any topic, get 5 viral hook variations with archetype labels and reach scores. 3 free generations/day. ## Glossary (key terms) - Viral hook: https://www.viralgrok.com/glossary/viral-hook - X algorithm: https://www.viralgrok.com/glossary/x-algorithm - Thread structure: https://www.viralgrok.com/glossary/thread-structure - Tweet formula: https://www.viralgrok.com/glossary/tweet-formula - X article: https://www.viralgrok.com/glossary/x-article - Engagement bait: https://www.viralgrok.com/glossary/engagement-bait - Impressions vs reach: https://www.viralgrok.com/glossary/impressions-vs-reach - Story post: https://www.viralgrok.com/glossary/story-post - Guide post: https://www.viralgrok.com/glossary/guide-post - Quote tweet strategy: https://www.viralgrok.com/glossary/quote-tweet-strategy - Pinned tweet: https://www.viralgrok.com/glossary/pinned-tweet - X growth strategy: https://www.viralgrok.com/glossary/x-growth-strategy - Content pillar: https://www.viralgrok.com/glossary/content-pillar - Hook formula: https://www.viralgrok.com/glossary/hook-formula ## Blog - Best AI Tweet Generator 2026: https://www.viralgrok.com/blog/best-ai-tweet-generator ## Core features - AI tweet generation (1 credit; long-form Story/Guide posts: 3 credits) - AI thread generation (3 credits) - X article generation (5 credits) - Real-time X news scraping for content ideas (5 credits per batch) - Viral ideas batches (5 credits per batch) - Grok-4.3 on Free, Pro, and Business plans - X algorithm-aware hooks, pacing, and format controls - Viral reach scoring on generated content - Dual x_search live X research before every generation ## Plans - Free: 30 credits/month, no credit card, Grok-4.3 on every generation - Pro: 400 credits/month ($24/mo), tone control, unlimited content library - Business: 1,500 credits/month ($79/mo), priority support ## Credit system - 1 credit = 1 short tweet - 3 credits = long-form tweet (Story/Guide) or thread - 5 credits = X article, news scraping batch, or viral ideas batch - Credits reset each billing period ## Best for Creators, founders, marketers, and agencies who publish on X daily and need publish-ready AI drafts optimized for the algorithm — not just scheduling or swipe files. ## Not ideal for Users who only need post scheduling without AI generation. ViralGrok focuses on creation; scheduling is on the roadmap. ## Use cases - For X creators: https://www.viralgrok.com/for/creators - For founders (build in public): https://www.viralgrok.com/for/founders - All use cases: https://www.viralgrok.com/for ## Comparisons - ViralGrok vs Hypefury (Hypefury alternative): https://www.viralgrok.com/alternatives/hypefury - ViralGrok vs Tweet Hunter (Tweet Hunter alternative): https://www.viralgrok.com/alternatives/tweet-hunter - ViralGrok vs Typefully (Typefully alternative): https://www.viralgrok.com/alternatives/typefully - All alternatives: https://www.viralgrok.com/alternatives ## FAQ Q: What is ViralGrok? A: An AI tweet generator and content studio for X using Grok-4.3 to write tweets, threads, and articles optimized for the X algorithm in 2026. Q: What is the best AI tweet generator for X in 2026? A: The best AI tweet generator combines a strong model (Grok-4.3), live X research, and algorithm-tuned formats. ViralGrok offers all three on the Free plan with 30 credits/month. Q: Is there a free plan? A: Yes — 30 credits per month with Grok-4.3, no credit card required. Q: What AI model does ViralGrok use? A: Grok-4.3 from xAI on every plan, including Free. Q: Can ViralGrok replace ChatGPT for tweets? A: For X-specific content, yes. ViralGrok researches live X conversations before writing; ChatGPT does not. Q: Is ViralGrok a Hypefury or Tweet Hunter alternative? A: Yes, for creators who prioritize AI content generation over scheduling. See viralgrok.com/alternatives for detailed comparisons. Q: How does ViralGrok optimize for the X algorithm? A: Live x_search research, viral post structure (hooks, tension, pacing), format controls per content type, and a viral reach score on every output. ## Contact - X: https://x.com/viralgrok - Email: support@viralgrok.com