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Claude Fable 5

Next generation of intelligence for the hardest knowledge work and coding problems.

Claude Fable 5 is Anthropic's generally available fifth-generation Claude model release for demanding reasoning, long-horizon agentic work, coding, knowledge work, and vision tasks. It is exposed in the API as claude-fable-5 and includes safeguards that may refuse or fall back on some requests.

Pricing

Official site · Aug 8, 2026, 1:03 PM
Input / 1M
$10.00
Output / 1M
$50.00
Cached input / 1M
$1.00

Prices are USD per MTok. Prompt caching for Claude Fable 5: 5-minute cache writes $12.50/MTok, 1-hour cache writes $20/MTok, cache hits & refreshes $1/MTok.

Anthropic's official Claude Platform Docs list Claude Fable 5 in the model pricing table at $10 per million base input tokens and $50 per million output tokens, with cache hit pricing explicitly listed. The official models overview identifies Claude Fable 5 as a current Anthropic model and states current Claude models support text and image input with text output.

View source

Model Intelligence

Context window
1,000,000 tokens
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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