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TechCrunchJuly 8, 2026· 1 min read

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

SpaceXAI has released an updated version of Grok, a powerful AI model. This new version is said to be cheaper and more efficient.

What happened

Grok 4.5 is the latest iteration of the AI model, which is designed to be a more affordable alternative to other high-performance AI systems. According to Elon Musk, Grok 4.5 is an 'Opus-class model', suggesting it's a significant upgrade. The new version is expected to offer improved performance and cost savings.

Why it matters

For businesses, the availability of a cheaper and more efficient AI model like Grok 4.5 could be a game-changer. It may enable companies to adopt AI technology without breaking the bank, and potentially unlock new efficiencies and insights. However, it's worth noting that the actual benefits will depend on the specific use cases and applications.

The takeaway

You may want to explore the potential of Grok 4.5 for your business, but it's essential to carefully evaluate its capabilities and costs before making any decisions.

Read the original at TechCrunch

Our plain-English take, written from public reporting for operational business owners. Always read the original for full context.

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