Grok 4.3 delivers competitive benchmark performance with a score of 53 on the Artificial Analysis Intelligence Index, placing it well above the average of similar models. It shows strong gains in reasoning, coding, and agent tasks, with notable improvements in benchmarks like GDPval and instruction following.
The model also stands out for speed, reaching over 100 tokens per second, and offers significantly lower pricing compared to competitors.
However, it still trails leading models such as GPT 5.5 and Claude Opus 4.7 in overall intelligence rankings, highlighting a tradeoff between performance and cost efficiency.
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