July 9 News.SpaceXAI Official Release Grok 4.5. It's the strongest company everModel, main-coding, AI intelligent body tasks and knowledge-based work. The model was combined with Cursor training based on a new V9 base, with parameters of approximately 1.5 trillion, using tens of thousands of British GB300 GPUs。

In terms of performance, Grok 4.5 outperformed Claude Opus 4.8 on the Terminal-Bench 2.1 and DeepSWE 1.0 benchmarks, but slightly lower on SWE-Bench Pro. Official data show that token consumption of Grok 4.5 was about one quarter of Opus 4.8 and the speed of service was 80 TPS for equivalent programming tasks。
In terms of price,API Pricing is $2, output $6/million tokens, context window 500K tokens. Opus 4.8 has corresponding pricing of $15 and $75, with a significant difference。