Model comparison · updated 2026-07-28

Gemini 3.5 FlashvsGPT-5.6 Luna

Side-by-side pricing for1 million tokens

Price comparison

Gemini 3.5 FlashGPT-5.6 LunaVerdict
ProviderGoogleOpenAI--
Context window1M1.05M--
Input / 1M tokens$1.50$1GPT-5.6 Luna is 1.5x cheaper
Output / 1M tokens$9$6GPT-5.6 Luna is 1.5x cheaper
Output:input ratio6x6x--
Tierbalancedbudget--

What does $10 buy?

$10 of input

Gemini 3.5 Flash

6,666,667 tokens

GPT-5.6 Luna

10,000,000 tokens

GPT-5.6 Luna gives you 1.5x more input for the same budget.

$10 of output

Gemini 3.5 Flash

1,111,111 tokens

GPT-5.6 Luna

1,666,667 tokens

GPT-5.6 Luna gives you 1.5x more output for the same budget.

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