Claude Fable 5 vs Claude Sonnet 5

Price, context window & benchmark comparison

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Claude Fable 5

Anthropic
$10.00 / $50.00
Input / Output · per 1M tokens
VS
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Claude Sonnet 5

Anthropic
$2.00 / $10.00
Input / Output · per 1M tokens
Compare different models
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Verdict: Claude Sonnet 5 is 5.0× cheaper than Claude Fable 5 on a typical 3:1 input/output mix. Claude Fable 5 scores higher on the Artificial Analysis Intelligence Index (49.6 vs 38.2).
Claude Fable 5Claude Sonnet 5
Input price / 1M$10.00$2.00
Output price / 1M$50.00$10.00
Blended price (3:1)$20.00$4.00
Cached input / 1M$1.00$0.20
Context window1M1M
Max output128K128K
Intelligence index49.638.2
Coding index76.571.5
Providers610
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-06-092026-06-30
Retirement

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FAQ

Which is cheaper, Claude Fable 5 or Claude Sonnet 5?

Claude Sonnet 5 is 5.0× cheaper than Claude Fable 5 on a typical 3:1 input/output mix.

Claude Fable 5 vs Claude Sonnet 5: which has a bigger context window?

Claude Fable 5: 1,000,000 tokens. Claude Sonnet 5: 1,000,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: Claude Fable 5 ≈ $45,000, Claude Sonnet 5 ≈ $9,000.

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