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Benchmark

Claude Opus 5.5 (High)

  • Anthropic
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#6 of 266
  1. 57.658Claude Opus 5.5 (Max)
  2. 5656Claude Opus 5.5 (Xhigh)
  3. 5656Claude Sonnet 5.5 (Max)
  4. 55.856Muse Wonder Full (Max)
  5. 55.155Kimi K3.1 Pro
  6. 53.654Claude Opus 5.5 (High)
  7. 53.453Claude Fable 5.1 (Max)
  8. 53.253Claude Fable 5.1 (Xhigh)
  9. 52.753GPT-6 Astra (Max)
  10. 52.653Gemini 4 Argon (High)
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy64.6%#6
  • Humanity's Last Exam55.6%#7
  • Terminal-Bench 4.056.6%#10
  • AA-LCR82.7%#24
  • SciCode60.4%#10
  • CritPt30.9%#11
  • MMMU-Pro85.8%#7
Claude Opus 5.5 (High)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #108 of 162
  1. 8383Claude Opus 5.5 (Medium)
  2. 8282Claude Opus 5.5 (Xhigh)
  3. 8282Claude Opus 5.5 (Low)
  4. 8181Gemini 4 Argon (High)
  5. 8181Hy3
  6. 8080Claude Opus 5.5 (High)
  7. 8080Qwen3.5 9B (Non-reasoning)
  8. 7878Grok 4.7 (Low)
  9. 7777Ministral 3 14B
  10. 7777Magistral Small 1.2
Data from Artificial Analysis

Latency

seconds to first token · #144 of 162
  1. 20.921Grok 4.7 (High)
  2. 2525Claude Haiku 5.5 (High)
  3. 27.327Gemini 3.8 Flash (High)
  4. 27.327Claude Sonnet 5.5 (Xhigh)
  5. 27.528Muse Wonder (Max)
  6. 30.330Claude Opus 5.5 (High)
  7. 36.136GPT-6.1 Sol (High)
  8. 40.340Grok 4.7 (Xhigh)
  9. 40.741GPT-6 Astra (High)
  10. 54.955GPT-5.3 Codex (Xhigh)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #155 of 169
  1. $4.54.5GPT-5.6 Terra (Low)
  2. $4.54.5GPT-5.6 Terra (Non-reasoning)
  3. $4.814.81GPT-5.3 Codex (Xhigh)
  4. $88Claude Opus 5.5 (Max)
  5. $88Claude Opus 5.5 (Xhigh)
  6. $88Claude Opus 5.5 (High)
  7. $88Muse Wonder (Max)
  8. $88Claude Opus 5.5 (Medium)
  9. $88Claude Opus 5.5 (Low)
  10. $11.25$11GPT-5.5 Instant (June 2026)
Data from Artificial Analysis

Nearby models

  • Claude Opus 5.5 (Max)Anthropic57.6
  • Claude Opus 5.5 (Xhigh)Anthropic56
  • Claude Sonnet 5.5 (Max)Anthropic56
  • Muse Wonder Full (Max)Meta55.8
  • Kimi K3.1 ProKimi55.1
  • Claude Fable 5.1 (Max)Anthropic53.4
  • Claude Fable 5.1 (Xhigh)Anthropic53.2
  • GPT-6 Astra (Max)OpenAI52.7
Data from Artificial Analysis

Same lab

  • Claude Sonnet 5.5 (Xhigh)Anthropic51.9
  • Claude Opus 5.5 (Medium)Anthropic51.2
  • Claude Fable 5.1 (High)Anthropic51.2
  • Claude Fable 5.1 (Medium)Anthropic48.9
  • Claude Sonnet 5.5 (High)Anthropic46.8
  • Claude Fable 5.1 (Low)Anthropic46.8
  • Claude Haiku 5.5 (Max)Anthropic43.4
  • Claude Opus 5.5 (Low)Anthropic42.3
Data from Artificial Analysis
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