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Benchmark

Claude Opus 5.5 (Low)

  • Anthropic
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#36 of 266
  1. 44.845GLM-5.3 (Max)
  2. 43.944Ling 3.1 Flash 1019
  3. 43.744Step 5 Preview
  4. 43.443Claude Haiku 5.5 (Max)
  5. 42.743MiniMax-M3.1-Flash
  6. 42.342Claude Opus 5.5 (Low)
  7. 42.242Grok 4.7 (Low)
  8. 42.142GPT-5.6 Terra (Max)
  9. 42.142GPT-6.1 Sol (Low)
  10. 41.842GLM-5.3-Flash
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy63.5%#8
  • Humanity's Last Exam48.3%#26
  • Terminal-Bench 4.031.3%#37
  • AA-LCR80.7%#37
  • SciCode58.6%#17
  • CritPt17.7%#45
  • MMMU-Pro84.7%#13
Claude Opus 5.5 (Low)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #105 of 162
  1. 8989Llama 3.3 Instruct 70B
  2. 8888Reka Flash 3
  3. 8686Grok 4.7 (High)
  4. 8383Claude Opus 5.5 (Medium)
  5. 8282Claude Opus 5.5 (Xhigh)
  6. 8282Claude Opus 5.5 (Low)
  7. 8181Gemini 4 Argon (High)
  8. 8181Hy3
  9. 8080Claude Opus 5.5 (High)
  10. 8080Qwen3.5 9B (Non-reasoning)
Data from Artificial Analysis

Latency

seconds to first token · #121 of 162
  1. 44Qwen3.8 27B (Non-reasoning)
  2. 44Qwen3.8 27B (Medium)
  3. 44GPT-6.1 Sol (Medium)
  4. 5.15.1GPT-6 Astra (Medium)
  5. 5.25.2Claude Fable 5.1 (Medium)
  6. 6.26.2Claude Opus 5.5 (Low)
  7. 6.36.3Grok 4.7 (Low)
  8. 7.27.2o3
  9. 7.57.5Claude Haiku 5.5 (Low)
  10. 7.97.9Gemini 3.5 Flash-Lite
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #158 of 169
  1. $88Claude Opus 5.5 (Max)
  2. $88Claude Opus 5.5 (Xhigh)
  3. $88Claude Opus 5.5 (High)
  4. $88Muse Wonder (Max)
  5. $88Claude Opus 5.5 (Medium)
  6. $88Claude Opus 5.5 (Low)
  7. $11.25$11GPT-5.5 Instant (June 2026)
  8. $2020Claude Fable 5.1 (Max)
  9. $2020Claude Fable 5.1 (Xhigh)
  10. $2020GPT-6 Astra (Max)
Data from Artificial Analysis

Nearby models

  • GLM-5.3 (Max)Z AI44.8
  • Ling 3.1 Flash 1019InclusionAI43.9
  • Step 5 PreviewStepFun43.7
  • Claude Haiku 5.5 (Max)Anthropic43.4
  • MiniMax-M3.1-FlashMiniMax42.7
  • Grok 4.7 (Low)SpaceXAI42.2
  • GPT-5.6 Terra (Max)OpenAI42.1
  • GPT-6.1 Sol (Low)OpenAI42.1
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 (Xhigh)Anthropic53.2
  • Claude Sonnet 5.5 (Xhigh)Anthropic51.9
  • Claude Opus 5.5 (Medium)Anthropic51.2
Data from Artificial Analysis
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