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Anthropicmodel systemcard

Claude Fable 5

#1of 27 · general
1Mcontext
Proprietarynon-commercial
2026-06-09released

Standing

dot = this model · shaded = the field's middle 60% · track = full field
General
95.7#1/27
Math
91.6#1/27
Coding
81.6#2/27
Health
76.6#4/26
Engineering
93.8#2/17
Analyst
80.0#3/11
Legal
72.5#2/26
Instruct
81.5#2/27
Agents
82.0#3/27
Professional
95.6#2/27
Multimodal
88.1#2/19
Hallucination
84.3#1/27
Speed
16.9#22/22
Value
71.8#1/27

Measured

≈ imputed · amber dot = lab-self-reported among the sources
GPQA Diamond92.6%#11Artificial AnalysisEpoch AIVals.ai
HLE60.0%#1Artificial AnalysisLLM Stats
MMLU-Pro91.5%#2Vals.ai
LiveBench80.6%#2LiveBenchLLM Stats
SWE-bench V95.0%#3LLM StatsVals.ai
LiveCodeBench89.8%#3Vals.ai
SciCode60.2%#1Artificial AnalysisEpoch AI
CritPt28.6%#4Artificial AnalysisEpoch AI
Terminal-Bench82.6%#4Artificial AnalysisVals.ai
APEX Agents45.0%#1Epoch AI
GDPval62.0%#2Artificial Analysis
Arena1508#1Arena
AA Index62.1#2Artificial Analysis
Vals Index75.1#1Vals.ai
Epoch Capabilities Index161.5#2Epoch AI

Operations

$10 / $50$ per 1M tokens, in / out
$20blended
63tokens / sec
$1.44$ per solved task
1508arena elo · 16,056 votes

Series

Anthropic's models on the board, by release

Neighbors

nearest capability fingerprints · deltas describe the neighbor