Model comparison · updated 2026-07-28

Claude Fable 5vsGPT-5.6 Luna

Side-by-side pricing for1 million tokens

Price comparison

Claude Fable 5GPT-5.6 LunaVerdict
ProviderAnthropicOpenAI--
Context window1M1.05M--
Input / 1M tokens$10$1GPT-5.6 Luna is 10x cheaper
Output / 1M tokens$50$6GPT-5.6 Luna is 8.3x cheaper
Output:input ratio5x6x--
Tierfrontierbudget--

What does $10 buy?

$10 of input

Claude Fable 5

1,000,000 tokens

GPT-5.6 Luna

10,000,000 tokens

GPT-5.6 Luna gives you 10x more input for the same budget.

$10 of output

Claude Fable 5

200,000 tokens

GPT-5.6 Luna

1,666,667 tokens

GPT-5.6 Luna gives you 8.3x more output for the same budget.

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