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Claude Sonnet 5.5 (Xhigh, Default Fallback)

Ranking metrics for Claude Sonnet 5.5 (Xhigh, Default Fallback): benchmark score, API price, output speed, and provider context.

Release date

Sep 28, 2026

Rank

#12

Intelligence Index

51.9

Blended API price

$1.470 / 1M tokens

Output speed

100.2 tok/s

Sources

Benchmark board

Model ranking

Rank, model, provider and reasoning effort, Artificial Analysis Intelligence Index, blended API price, cost per task, and output speed.

RankModelProviderIndexBlended priceCost per taskSpeed
#1Claude Opus 5.5 (Max, Default Fallback)
AnthropicMax effort
57.6$2.940/M$5.9895.7 tok/s
#2Claude Sonnet 5.5 (Max, Default Fallback)
AnthropicMax effort
56.0$1.470/M$5.46132.7 tok/s
#3Claude Opus 5.5 (Xhigh, Default Fallback)
AnthropicXHigh effort
56.0$2.940/M$3.4676.0 tok/s
#5Claude Opus 5.5 (High, Default Fallback)
AnthropicHigh effort
53.6$2.940/M$1.8277.1 tok/s
#6Claude Fable 5.1 (Max, Default Fallback)
AnthropicMax effort
53.4$7.175/M$7.6371.8 tok/s
#7Claude Fable 5.1 (Xhigh, Default Fallback)
AnthropicXHigh effort
53.2$7.175/M$5.9863.3 tok/s
#12Claude Sonnet 5.5 (Xhigh, Default Fallback)
AnthropicXHigh effort
51.9$1.470/M$2.01100.2 tok/s
#14Claude Opus 5.5 (Medium, Default Fallback)
AnthropicMedium effort
51.2$2.940/M$1.3484.8 tok/s
#15Claude Fable 5.1 (High, Default Fallback)
AnthropicHigh effort
51.2$7.175/M$3.9155.2 tok/s
#20Claude Fable 5.1 (Medium, Default Fallback)
AnthropicMedium effort
48.9$7.175/M$2.9853.9 tok/s
#23Claude Fable 5.1 (Low, Default Fallback)
AnthropicLow effort
46.8$7.175/M$2.3756.8 tok/s
#24Claude Sonnet 5.5 (High, Default Fallback)
AnthropicHigh effort
46.8$1.470/M$0.88102.7 tok/s
#34Claude Haiku 5.5 (Max)
AnthropicMax effort
43.4$0.077/M$0.21238.2 tok/s
#35Claude Opus 5.5 (Low, Default Fallback)
AnthropicLow effort
42.3$2.940/M$0.5583.5 tok/s
#40Claude Haiku 5.5 (Xhigh)
AnthropicXHigh effort
41.2$0.077/M$0.12181.1 tok/s
#43Claude Sonnet 5.5 (Medium, Default Fallback)
AnthropicMedium effort
40.8$1.470/M$0.48105.3 tok/s
#52Claude Haiku 5.5 (High)
AnthropicHigh effort
37.8$0.077/M$0.079177.1 tok/s
#54Claude Sonnet 5.5 (Low, Default Fallback)
AnthropicLow effort
35.9$1.470/M$0.3598.9 tok/s
#58Claude Haiku 5.5 (Medium)
AnthropicMedium effort
34.5$0.077/M$0.047150.9 tok/s
#72Claude Haiku 5.5 (Low)
AnthropicLow effort
29.5$0.077/M$0.024161.4 tok/s