Elon Musk
@elonmusk
Grok 4.5 is Opus class for browser use
Alexander Yue@Alezander907· Jul 12, 2026I take it all back. We just got access to eval Grok 4.5 and it has landed above GPT-5.6-Sol and just shy of Opus for browser use.
Because cache input is expensive, the overall cost is only 10% cheaper than opus. Its overall a bit faster.
We have another opus-class model in the
09:01 PM · July 12, 2026 · 1.2M views
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