OpenRouter confirmed the viral mystery Ox Alpha model is Zhipu's GLM-5.3-Flash, processing over 20 trillion tokens in six days as the fastest-growing model in router history, now live with 1M context.

Key Takeaways

  • ✓Processed 20T tokens in six days, setting an all-time adoption record for new models on OpenRouter;
  • ✓Hybrid sparse-linear attention delivers ultra-cheap long-horizon coding and agent inference across 1M context;
  • ✓Promotional launch rates set at $0.075 / $0.25 / $0.015 per million tokens (input / output / cache) through Sept 9.