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Claude Fable 5.1 (High, Default Fallback)

Anthropic · Released 2026-09-01 · Independent benchmark scores from Artificial Analysis

Intelligence Index
51.2
Output speed
52.5
tokens/sec
Blended price
$20.00
per 1M tokens
Time to first token
6.12s

Model metadata

Model ID9d7d72cd-d95d-45a0-b109-4ad292c9aabd
Slugclaude-fable-5-1-high
Release date2026-09-01
ProviderAnthropic
Provider sluganthropic
Output speed52.5 tok/s
Time to first token6.12s
Time to first answer6.12s
Blended price ($/1M)$20.00
Input price ($/1M)$10.00
Output price ($/1M)$50.00

All evaluation scores (18)

aime—
aime 25—
artificial analysis coding index79.10
artificial analysis intelligence index51.20
artificial analysis math index—
gpqa90.6%
hle55.9%
ifbench—
lcr83.7%
livecodebench—
math 500—
mmlu pro—
scicode58.7%
tau banking43.1%
tau2—
terminalbench hard—
terminalbench v2 189.9%
terminalbench v4 052.0%

Source: artificialanalysis.ai/models/claude-fable-5-1-high

Benchmark data from Artificial Analysis.