SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’

Published Jul 8, 2026 • 7:30 PM

Elon Musk's tech company released the newest version of Grok on Wednesday, promising a cheaper, more efficient alternative to other powerful AI models.

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Wednesday, Aug 12
- SpaceXAI debuts Grok 4.6, overtaking Kimi K3's performance and matching GPT-5.6 Sol for world's third best on Artificial AnalysisVentureBeat
Saturday, Aug 1
- DeepSeek's new bargain model accelerates AI's race to zeroAxios
Wednesday, Jul 8
- Elon Musk says Opus-class Grok 4.5 is about to launchMashable
- Scoop: SpaceXAI launches new model, Grok 4.5Axios
- SpaceXAI releases Grok 4.5, which Elon describes as an ‘Opus-class model’You are here

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MashableElon Musk says Opus-class Grok 4.5 is about to launchabout 2 months ago

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