Open-Source xAI Value Model (Updated Oct 2026)
X Algorithm Post Scorer & Reach Simulator
Simulate how your tweet will be scored by the production Phoenix Value Model in xai-org/x-algorithm. Inspect exact multipliers, link bounce penalties, and copy-link triggers.
Draft Your Tweet
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Algorithmic Reach Score
Phoenix v2
88
Viral Potential (Top 5%)
Strong copy-link prompt and mutual reply triggers maximize distribution.
ShareViaCopyLink Weight
+20.0 (40x Like)
Bidirectional Reply Boost
+15.0 Boost
Continuous Dwell Time
+0.4 Multiplier
Zero-Dwell Bounce Risk
0.0 (Safe)
Real-Time Algorithmic Diagnostics
Mathematical Weight Table
Directly extracted from xai-value-model/weights.rs & home-mixer/params/param.rs
// Production Weights held in xai-org/x-algorithm:
ShareViaCopyLinkWeight: 20.0 // Highest positive multiplier
BidirectionalReplyBoost: 15.0 // Triggered when mutual follows reply (Total: 20.0)
ReplyWeight: 5.0 // 10x higher than a favorite
QuoteWeight: 5.0 // 10x higher than a favorite
ShareViaDmWeight: 5.0 // 10x higher than a favorite
FollowAuthorWeight: 4.0 // Post causes viewer to follow
RetweetWeight: 1.0 // Standard repost
FavoriteWeight: 0.5 // Raw like baseline
ContClickDwellTime: 0.4 // Continuous reading time after link click
NotDwelledWeight: -0.02 // 0s instant bounce penalty
ReportWeight: -234.0 // Predicted probability penalty (personalized)