AI Flash Report
Major Release Anthropic · Released

Claude Fable 5

What is Claude Fable 5?

Claude Fable 5 is a Major Release AI model from Anthropic, released on June 9, 2026. It has a 1M tokens context window, costs $10.00 per million input tokens, and scores 1510 on Chatbot Arena Elo. It is available via the company's API.

Anthropic Claude Fable 5 — AA Intelligence Index 64.9, 1M tokens context, reasoning model.

How much does Claude Fable 5 cost?

Claude Fable 5 pricing
Metric Price
input per mtok $10.00
output per mtok $50.00
cache read per mtok $1.00

Pricing data verified .

What context window does Claude Fable 5 have?

Context window
1M tokens
Max output
128K
Input modalities
text, image
Output modalities
text

How does Claude Fable 5 score on benchmarks?

Claude Fable 5 benchmark scores
Benchmark Score
GPQA Diamond 92.6%
HLE 53.3%
SciCode 60.2%
TAU2-bench 98.5%
TerminalBench-Hard 62.9%
IF-Bench 63.5%
LiveCodeBench Reasoning 70.0%
AA Intelligence Index 64.9
Chatbot Arena Elo 1510

Benchmark scores verified .

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