X’s algorithm is public. And most advice about growing on X is missing the point. I dug through the actual 2026 source code. Here’s how X decides whether your post gets 500 impressions or 500,000: 1. X predicts behavior BEFORE ranking your post. Its Phoenix AI model estimates how likely each person is to: • Like your post • Reply or quote it • Repost or share it • Send it through DMs • Click and spend time reading • Follow your account • Mute, block or report you Every person gets a personalized ranking. 2. Not all engagement predictions carry equal weight. Actual weights from X’s code: • Copy-link share: 20.0 • Reply: 5.0 • Quote: 5.0 • DM share: 5.0 • Follow: 4.0 • Repost: 1.0 • Like: 0.66 IMPORTANT: These are weights on predicted probabilities, NOT points awarded per engagement. One reply isn’t automatically worth 7.6 likes. 3. Negative feedback matters. A lot. X also predicts whether someone will: • Mark your post “Not interested” • Mute your account • Block you • Report your content • Scroll past without engaging These predictions negatively affect ranking. Controversy might generate replies, but attracting the wrong audience can work against you. 4. Your audience matters more than your follower count. X pulls posts from: • Accounts people follow • AI-based interest matching • Communities of similar users • Popular recent posts The goal isn’t reaching everybody. It’s reaching people most likely to care about your content. 5. Freshness is built into the system. The published For You pipeline filters posts older than 48 hours. It also reduces repeated exposure to the same author and filters posts people have already seen. Publishing 15 times doesn’t mean dominating someone’s feed. 6. Smaller creators actually have an opportunity. X includes a new-author boost designed to give eligible, lower-exposure accounts additional consideration. That doesn’t guarantee impressions, but it means the system isn’t exclusively designed for huge accounts. So what would I actually do to grow? Pick 2–3 closely related topics and become recognizable for them. Write hooks that make your target audience stop scrolling. Publish original insights, numbers, examples and useful frameworks. Create content people want to quote or privately share. Start genuine conversations instead of begging for engagement. Avoid repetitive content that makes people mute you. Study which posts attract replies, shares and new followers, not just likes. The biggest takeaway? Stop optimizing for likes. Start creating posts that the RIGHT people are likely to read, discuss, share and remember. That’s a much better way to approach the X algorithm. Source: github.com/xai-org/x-algorit…