Claude Fable 5
Next generation of intelligence for the hardest knowledge work and coding problems.
Anthropic's fifth-generation, general-release Mythos-class model for demanding reasoning, long-horizon agentic work, software engineering, knowledge work, vision, and scientific research.
Pricing
Official site · Oct 1, 2026, 1:10 PM
Input / 1M
$10.00
Output / 1M
$50.00
Cached input / 1M
$1.00
Prompt caching: 5-minute cache writes $12.50/MTok, 1-hour cache writes $20/MTok, cache hits and refreshes $1/MTok. Pricing page says all prices are in USD.
Anthropic's official pricing documentation explicitly lists Claude Fable 5 token pricing. Standard rates are USD $10 per million input tokens and $50 per million output tokens; prompt-cache operations are priced separately.
Model Intelligence
Arena ranking
62
Benchmarkable
Yes
Model level
release
Intelligence Index
62.1
Coding Index
76.5
GPQA
0.93
HLE
0.56
SciCode
0.6
IFBench
0.63
LCR
0.77
TerminalBench Hard
0.63
TAU2
0.99
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