AI BriefingGPT-5.5 Performance and Pricing Comparison
Key point
GPT-5.5 topped the intelligence index on Artificial Analysis, but it also ranked among the most expensive.
Details
On Artificial Analysis's model comparison page, GPT-5.5(xhigh) and GPT-5.5(high) ranked at the top of the Intelligence Index.
Claude Opus 4.7(max) and Gemini 3.1 Pro Preview also placed in the top tier, with the intelligence index compiled based on v4.0, which combines a total of 10 evaluations.
However, in the pricing ranking, GPT-5.5(xhigh) was among the most expensive, revealing both a performance edge and a cost burden at the same time.
In other categories, Mercury 2(687 t/s) and Granite 3.3 8B(333 t/s) led in output speed, while Ministral 3 3B(0.45s) and LFM2 24B A2B(0.50s) had the lowest latency.
For context window, Llama 4 Scout(10m) and Grok 4.20 0309 v2(2m) were the largest.
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