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 · Sep 24, 2026, 9:10 AM
Input / 1M
$10.00
Output / 1M
$50.00
Cached input / 1M
$1.00
Official table labels prices as USD per MTok. Cache hits and refreshes: $1/MTok; 5-minute cache writes: $12.50/MTok; 1-hour cache writes: $20/MTok.
Anthropic's official pricing page explicitly lists Claude Fable 5 at $10 per million base input tokens and $50 per million output tokens. Cached input hits/refreshes are listed at $1 per million tokens; 5-minute and 1-hour cache writes are $12.50 and $20 per million tokens, respectively. The model supports text and image input, so the requested modality is MULTIMODAL.
Model Intelligence
Context window
1,000,000 tokens
Arena ranking
50
Benchmarkable
Yes
Model level
release
Intelligence Index
49.7
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
Recent stories
1 linked story