Surprise: Z.ai is the AI lab behind the mysterious Ox Alpha model
The mystery-model-then-reveal pattern is becoming a standard marketing play for open-weight labs chasing leaderboard attention, and Z.ai joins DeepSeek and others using it well. Watch for the actual weights release: if Ox Alpha holds up outside curated benchmarks, it adds another credible open-weight option for builders wary of closed-API lock-in.