Artificial Analysis' Intelligence Index: Sonnet 5.5 (max) ranks above GPT-6 Astra (max) and behind only Opus 5.5 (max) but has the highest token use of them all (Artificial Analysis)

According to Artificial Analysis' Intelligence Index, Sonnet 5.5 (max) has achieved a significant ranking. It now stands above GPT-6 Astra (max) and is surpassed only by Opus 5.5 (max). This marks an 18-point improvement over Sonnet 5, positioning it at #2 on the index. However, Sonnet 5.5 (max) also exhibits the highest token use among these top-tier models.