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Benchmark

Claude Fable 5.1 (High)

  • Anthropic
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#16 of 266
  1. 52.452GPT-6 Astra (Xhigh)
  2. 52.452Muse Wonder (Max)
  3. 51.952Claude Sonnet 5.5 (Xhigh)
  4. 51.852GPT-6.1 Sol (Max)
  5. 51.251Claude Opus 5.5 (Medium)
  6. 51.251Claude Fable 5.1 (High)
  7. 5151GPT-6.1 Sol (Xhigh)
  8. 50.951GPT-6 Astra (High)
  9. 50.250GPT-6.1 Sol (High)
  10. 49.650GPT-6 Astra (Medium)
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy64.9%#5
  • Humanity's Last Exam55.9%#6
  • Terminal-Bench 4.052%#16
  • AA-LCR83.7%#11
  • SciCode58.7%#15
  • CritPt30.3%#12
  • GPQA Diamond90.6%#23
  • τ²-Bench Banking43.1%#12
Claude Fable 5.1 (High)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #125 of 162
  1. 6262GPT-6 Astra (Xhigh)
  2. 6161Qwen3.5 9B (Reasoning)
  3. 6060Qwen3.5 397B A17B (Non-reasoning)
  4. 5959Qwen3.5 397B A17B (Reasoning)
  5. 5959GPT-6.1 Sol (Max)
  6. 5858Claude Fable 5.1 (High)
  7. 5858Ling 3.0 Tiny
  8. 5858Kimi K3.1 Pro
  9. 5757Claude Fable 5.1 (Low)
  10. 5757MiMo-V2.6-Pro
Data from Artificial Analysis

Latency

seconds to first token · #137 of 162
  1. 1313Nova 2.0 Lite (Medium)
  2. 15.115GPT-5.6 Terra (Xhigh)
  3. 15.716Claude Opus 5.5 (Medium)
  4. 16.617Nova 2.0 Lite (High)
  5. 19.820GPT-6 Luna (Xhigh)
  6. 2020Claude Fable 5.1 (High)
  7. 20.621Gemini 3.1 Pro Preview
  8. 20.921Grok 4.7 (High)
  9. 2525Claude Haiku 5.5 (High)
  10. 27.327Gemini 3.8 Flash (High)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #164 of 169
  1. $11.25$11GPT-5.5 Instant (June 2026)
  2. $2020Claude Fable 5.1 (Max)
  3. $2020Claude Fable 5.1 (Xhigh)
  4. $2020GPT-6 Astra (Max)
  5. $2020GPT-6 Astra (Xhigh)
  6. $2020Claude Fable 5.1 (High)
  7. $2020GPT-6 Astra (High)
  8. $2020GPT-6 Astra (Medium)
  9. $2020Claude Fable 5.1 (Medium)
  10. $2020Claude Fable 5.1 (Low)
Data from Artificial Analysis

Nearby models

  • GPT-6 Astra (Xhigh)OpenAI52.4
  • Muse Wonder (Max)Meta52.4
  • Claude Sonnet 5.5 (Xhigh)Anthropic51.9
  • GPT-6.1 Sol (Max)OpenAI51.8
  • Claude Opus 5.5 (Medium)Anthropic51.2
  • GPT-6.1 Sol (Xhigh)OpenAI51
  • GPT-6 Astra (High)OpenAI50.9
  • GPT-6.1 Sol (High)OpenAI50.2
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 (Xhigh)Anthropic53.2
  • Claude Fable 5.1 (Medium)Anthropic48.9
  • Claude Sonnet 5.5 (High)Anthropic46.8
Data from Artificial Analysis
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