Grok 4.5 Reportedly Nears Opus Level
billyuchenlin · x · 2026-07-13
Reports indicate that Grok 4.5 has reached Opus-level performance in browser usage scenarios and even surpassed GPT-5.6-Sol in one evaluation, bringing it close to Opus.
The post also notes that due to high cached input costs, the overall cost is only about 10% cheaper than Opus, though it is slightly faster. This indicates a model advancement focused on "benchmarking against high-end capabilities."
Related event: Grok 4.5 First Tests: Faster, Cheaper, and Entering Coding Workflows(8 posts)→
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