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.
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TL;DR VerdictKey Decision Metrics at a Glance
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