Grok 4.5 gives Musk an Opus-class price weapon

SpaceXAI launched the coding-focused model on July 8th with $2 input and $6 output pricing, while Musk cast speed as the real edge.

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Why it matters

Grok 4.5 shows Musk shifting the AI fight from leaderboard claims to cost, latency and tool distribution, where a slightly weaker model can still win real usage.

Illustration showing Grok 4.5 for SpaceXAI as coding symbols with price tags $2 input and $6 output, and Elon Musk pointing to speed as the edge.

Elon Musk put a ceiling and a floor on Grok 4.5 on July 8th, saying his internal assessment places SpaceXAI's new model around Claude Opus 4.7, with speed and cost as the edge.

https://x.com/elonmusk/status/2074911038286295049?ref=runtimewire…

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