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Claude Fable 5.1 (Xhigh)

  • Anthropic
  • Proprietary
  • Reasoning

Intelligence

Intelligence Index

#8 of 266
  1. 5656Claude Sonnet 5.5 (Max)
  2. 55.856Muse Wonder Full (Max)
  3. 55.155Kimi K3.1 Pro
  4. 53.654Claude Opus 5.5 (High)
  5. 53.453Claude Fable 5.1 (Max)
  6. 53.253Claude Fable 5.1 (Xhigh)
  7. 52.753GPT-6 Astra (Max)
  8. 52.653Gemini 4 Argon (High)
  9. 52.452GPT-6 Astra (Xhigh)
  10. 52.452Muse Wonder (Max)
Data from Artificial Analysis

Evaluations

  • AA-Omniscience Accuracy66.2%#2
  • Humanity's Last Exam58.7%#3
  • Terminal-Bench 4.055.1%#12
  • AA-LCR83%#18
  • SciCode60.9%#7
  • CritPt31.1%#9
  • GPQA Diamond93.4%#10
  • τ²-Bench Banking45.8%#8
Claude Fable 5.1 (Xhigh)Median
Data from Artificial Analysis

Speed and price

Speed

tokens per second · #119 of 162
  1. 7070GLM-5.3-Flash
  2. 7070Claude Fable 5.1 (Max)
  3. 6666GPT-6 Astra (Max)
  4. 6666North Mini Code
  5. 6464Kimi K2.7 Code
  6. 6363Claude Fable 5.1 (Xhigh)
  7. 6262GPT-6 Astra (Xhigh)
  8. 6161Qwen3.5 9B (Reasoning)
  9. 6060Qwen3.5 397B A17B (Non-reasoning)
  10. 5959Qwen3.5 397B A17B (Reasoning)
Data from Artificial Analysis

Latency

seconds to first token · #151 of 162
  1. 40.340Grok 4.7 (Xhigh)
  2. 40.741GPT-6 Astra (High)
  3. 54.955GPT-5.3 Codex (Xhigh)
  4. 5757Gemini 4 Argon (High)
  5. 59.560Claude Haiku 5.5 (Xhigh)
  6. 74.575Claude Fable 5.1 (Xhigh)
  7. 78.579GPT-6 Luna (Max)
  8. 102.7103GPT-5.6 Terra (Max)
  9. 106.6107GPT-6.1 Sol (Xhigh)
  10. 109.6110Claude Opus 5.5 (Xhigh)
Data from Artificial Analysis

Price

$ per 1M tokens (3:1) · #161 of 169
  1. $88Muse Wonder (Max)
  2. $88Claude Opus 5.5 (Medium)
  3. $88Claude Opus 5.5 (Low)
  4. $11.25$11GPT-5.5 Instant (June 2026)
  5. $2020Claude Fable 5.1 (Max)
  6. $2020Claude Fable 5.1 (Xhigh)
  7. $2020GPT-6 Astra (Max)
  8. $2020GPT-6 Astra (Xhigh)
  9. $2020Claude Fable 5.1 (High)
  10. $2020GPT-6 Astra (High)
Data from Artificial Analysis

Nearby models

  • Claude Sonnet 5.5 (Max)Anthropic56
  • Muse Wonder Full (Max)Meta55.8
  • Kimi K3.1 ProKimi55.1
  • Claude Opus 5.5 (High)Anthropic53.6
  • Claude Fable 5.1 (Max)Anthropic53.4
  • GPT-6 Astra (Max)OpenAI52.7
  • Gemini 4 Argon (High)Google52.6
  • GPT-6 Astra (Xhigh)OpenAI52.4
Data from Artificial Analysis

Same lab

  • Claude Opus 5.5 (Max)Anthropic57.6
  • Claude Opus 5.5 (Xhigh)Anthropic56
  • 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
Data from Artificial Analysis
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