Model comparison · updated 2026-07-28

Claude Fable 5vsGPT-5.5

Side-by-side pricing for1 million tokens

Price comparison

Claude Fable 5GPT-5.5Verdict
ProviderAnthropicOpenAI--
Context window1M400K--
Input / 1M tokens$10$5GPT-5.5 is 2x cheaper
Output / 1M tokens$50$30GPT-5.5 is 1.7x cheaper
Output:input ratio5x6x--
Tierfrontierflagship--

GPT-5.5: Long-context (>272K input) priced at 2× input / 1.5× output.

What does $10 buy?

$10 of input

Claude Fable 5

1,000,000 tokens

GPT-5.5

2,000,000 tokens

GPT-5.5 gives you 2x more input for the same budget.

$10 of output

Claude Fable 5

200,000 tokens

GPT-5.5

333,333 tokens

GPT-5.5 gives you 1.7x more output for the same budget.

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