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Claude Sonnet 5.5 (Xhigh)

  • Anthropic
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#13 of 266
  1. 53.253Claude Fable 5.1 (Xhigh)
  2. 52.753GPT-6 Astra (Max)
  3. 52.653Gemini 4 Argon (High)
  4. 52.452GPT-6 Astra (Xhigh)
  5. 52.452Muse Wonder (Max)
  6. 51.952Claude Sonnet 5.5 (Xhigh)
  7. 51.852GPT-6.1 Sol (Max)
  8. 51.251Claude Opus 5.5 (Medium)
  9. 51.251Claude Fable 5.1 (High)
  10. 5151GPT-6.1 Sol (Xhigh)
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy53%#25
  • Humanity's Last Exam50%#21
  • Terminal-Bench 4.057.1%#7
  • AA-LCR79.7%#51
  • SciCode57.3%#21
  • CritPt31.1%#9
Claude Sonnet 5.5 (Xhigh)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #81 of 162
  1. 114114Gemma 4 12B (Reasoning)
  2. 114114Agnes 2.5 Pro Beta
  3. 113113MiniMax-M3.1-Flash
  4. 112112Solar Mini 4
  5. 109109Mistral Large 4 Preview
  6. 108108Claude Sonnet 5.5 (Xhigh)
  7. 108108Gemma 4 26B A4B (Non-reasoning)
  8. 106106Claude Sonnet 5.5 (Medium)
  9. 106106Claude Sonnet 5.5 (High)
  10. 105105Claude Sonnet 5.5 (Low)
Data from Artificial Analysis

Latency

seconds to first token · #142 of 162
  1. 2020Claude Fable 5.1 (High)
  2. 20.621Gemini 3.1 Pro Preview
  3. 20.921Grok 4.7 (High)
  4. 2525Claude Haiku 5.5 (High)
  5. 27.327Gemini 3.8 Flash (High)
  6. 27.327Claude Sonnet 5.5 (Xhigh)
  7. 27.528Muse Wonder (Max)
  8. 30.330Claude Opus 5.5 (High)
  9. 36.136GPT-6.1 Sol (High)
  10. 40.340Grok 4.7 (Xhigh)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #135 of 169
  1. $3.443.44Nova 2.0 Pro Preview (Non-reasoning)
  2. $3.53.5o3
  3. $44Claude Sonnet 5.5 (Max)
  4. $44Kimi K3.1 Pro
  5. $44Gemini 4 Argon (High)
  6. $44Claude Sonnet 5.5 (Xhigh)
  7. $44GPT-6.1 Sol (Max)
  8. $44GPT-6.1 Sol (Xhigh)
  9. $44GPT-6.1 Sol (High)
  10. $44GPT-6.1 Sol (Medium)
Data from Artificial Analysis

Nearby models

  • Claude Fable 5.1 (Xhigh)Anthropic53.2
  • GPT-6 Astra (Max)OpenAI52.7
  • Gemini 4 Argon (High)Google52.6
  • GPT-6 Astra (Xhigh)OpenAI52.4
  • Muse Wonder (Max)Meta52.4
  • GPT-6.1 Sol (Max)OpenAI51.8
  • Claude Opus 5.5 (Medium)Anthropic51.2
  • Claude Fable 5.1 (High)Anthropic51.2
Data from Artificial Analysis

Same lab

  • Claude Opus 5.5 (Max)Anthropic57.6
  • Claude Opus 5.5 (Xhigh)Anthropic56
  • Claude Sonnet 5.5 (Max)Anthropic56
  • Claude Opus 5.5 (High)Anthropic53.6
  • Claude Fable 5.1 (Max)Anthropic53.4
  • Claude Fable 5.1 (Medium)Anthropic48.9
  • Claude Sonnet 5.5 (High)Anthropic46.8
  • Claude Fable 5.1 (Low)Anthropic46.8
Data from Artificial Analysis
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