Model comparison · updated 2026-07-28

GPT-5.6 TerravsGemini 3.5 Flash

Side-by-side pricing for1 million tokens

Price comparison

GPT-5.6 TerraGemini 3.5 FlashVerdict
ProviderOpenAIGoogle--
Context window1.05M1M--
Input / 1M tokens$2.50$1.50Gemini 3.5 Flash is 1.7x cheaper
Output / 1M tokens$15$9Gemini 3.5 Flash is 1.7x cheaper
Output:input ratio6x6x--
Tierflagshipbalanced--

What does $10 buy?

$10 of input

GPT-5.6 Terra

4,000,000 tokens

Gemini 3.5 Flash

6,666,667 tokens

Gemini 3.5 Flash gives you 1.7x more input for the same budget.

$10 of output

GPT-5.6 Terra

666,667 tokens

Gemini 3.5 Flash

1,111,111 tokens

Gemini 3.5 Flash gives you 1.7x more output for the same budget.

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