Claude Fable 5
Next-generation intelligence for long-running agents
Anthropic's generally available, most capable Claude model for demanding reasoning and long-horizon agentic work; it accepts text and image inputs and returns text.
Pricing
Official site · Nov 8, 2026, 7:40 AM
Input / 1M
$10.00
Output / 1M
$50.00
Cached input / 1M
$1.00
Prices are per million tokens (MTok). Official page also lists 5-minute cache writes at $12.50/MTok, 1-hour cache writes at $20/MTok, and a 50% Batch API discount on input and output.
Anthropic’s official model overview identifies Claude Fable 5 as an active legacy model and explicitly lists API pricing per million tokens. It supports text and image input with text output; recorded as multimodal as requested.
Model Intelligence
Context window
1,000,000 tokens
Arena ranking
50
Benchmarkable
Yes
Model level
release
Coding Index
76.5
GPQA
0.93
HLE
0.56
SciCode
0.61
IFBench
0.63
LCR
0.82
TerminalBench Hard
0.63
TAU2
0.99
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