X Virality Predictor

Powered by Phoenix Algorithm Analysis

Will Your Tweet Go Viral?

Analyze your tweet against X's Phoenix ranking algorithm. Get predicted engagement metrics and actionable insights based on the actual open-sourced algorithm.

Quick Algorithm Tips

  • Replies = 27x likes in ranking weight
  • Bookmarks = 50x multiplier ("Save" is gold)
  • Links = -75% reach (keep in bio/reply)
  • Video demos are non-negotiable for max reach
  • Reply to yourself fast for 75x signal boost

Write Your Tweet

Start typing in the composer to see real-time virality predictions based on X's algorithm

How the X Algorithm Works

Based on the open-sourced Phoenix ranking model from x-algorithm

Phoenix Scorer

Grok transformer predicts engagement probabilities for likes, replies, reposts, and 15+ other actions

phoenix_scorer.rs

Weighted Scorer

Combines predicted signals with different weights. Replies (27x), bookmarks (50x), blocks (-74x)

weighted_scorer.rs

Content Analysis

Video/image detection, dwell time prediction, link penalties, and engagement hooks

recsys_model.py

Ranking Output

Final score determines feed position. Higher engagement probability = more visibility

runners.py