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Paired with SOL Brutus1202 | $0.550.03% |
 tartmanta19105 | $0.340.02% |
| $0.220.01% | |
 earthyshrimp968 | $0.100.00% |
 sensorytuna1765 | $0.070.00% |
 6wwm6l | $0.020.00% |
 downkraken27206 | $0.010.00% |
 tinymanta05219 | $0.000.00% |
Grok 4.5 goes public tomorrow. Here’s everything that’s known. The model runs on V9, xAI’s new 1.5 trillion parameter foundation, roughly three times the size of the v8-small architecture behind Grok 4.3. It’s the largest model the company has shipped, trained on Blackwell GPUs at the Colossus cluster in Memphis. Coding is the clear focus. Cursor’s developer data was added in supplemental training, and reinforcement learning has been improving the model daily alongside the Grok Build harness.