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Claude Fable 5

anthropic/claude-fable-5
BackTry Model
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Claude Fable 5

anthropic/claude-fable-5
BackTry Model

Anthropic Claude Fable 5.

Added Jun 9, 2026

Context Window

1.0M

Max Output

128.0K

Input Price (Auto)

$10.00/1M

Output Price (Auto)

$50.00/1M

Cache Read (Auto)

$1.00/1M

Capabilities

Benchmarks

Performance metrics and benchmarks

Sourced from Artificial Analysis.

Intelligence Index

59.9

Better than 99% of models compared

Coding Index

76.5

Better than 98% of models compared

Agentic Index

56.6

Better than 99% of models compared

Reasoning

GPQA Diamond

Graduate-level scientific reasoning

92.6%

Better than 99% of models compared

HLE

Humanity's Last Exam

53.3%

Better than 99% of models compared

IFBench

Instruction-following benchmark

63.5%

Better than 76% of models compared

T²-Bench Telecom

Conversational AI agents in dual-control scenarios

98.5%

Better than 99% of models compared

AA-LCR

Long context reasoning evaluation

70.0%

Better than 95% of models compared

GDPval-AA

Economically valuable tasks

61.9%

CritPt

Research-level physics reasoning

28.6%

Coding

SciCode

Python programming for scientific computing

60.2%

Better than 99% of models compared

Terminal-Bench Hard

Agentic coding and terminal use

62.9%

Better than 99% of models compared

Knowledge

AA-Omniscience Accuracy

Proportion of correctly answered questions

65.3%

AA-Omniscience Hallucination Rate

Rate of incorrect answers among non-correct responses

63.6%

Last updated Jun 28, 2026

Artificial Analysis

Providers

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