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Google: Gemini 3 Pro Preview vs Google: Nano Banana (Gemini 2.5 Flash Image)

Head-to-head API cost, context, and performance comparison. Synced at 9:50:10 AM.

Executive Summary

When evaluating Google: Gemini 3 Pro Preview against Google: Nano Banana (Gemini 2.5 Flash Image), the pricing structure is a key differentiator. Google: Nano Banana (Gemini 2.5 Flash Image) is approximately 80% more cost-effective per 1 million tokens overall.

However, when looking at raw reasoning capabilities, Google: Gemini 3 Pro Preview leads with a statistical ELO score of 1375. For tasks involving complex logic, coding, or instruction-following, developers might prefer Google: Gemini 3 Pro Preview, provided their budget allows for the API burn rate.

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Raw Technical comparison

Metric
Google: Gemini 3 Pro Preview
Google: Nano Banana (Gemini 2.5 Flash Image)
Performance (ELO)
1375
1300
Input Cost / 1M
$2.00
$0.30
Output Cost / 1M
$12.00
$2.50
Context Window
1,048,576 tokens
32,768 tokens

Verdict

If you are looking for pure performance and capability, Google: Gemini 3 Pro Preview is statistically superior. However, if API burn rate is the primary concern, Google: Nano Banana (Gemini 2.5 Flash Image) wins out aggressively in pricing.

People Also Ask

Is Google: Gemini 3 Pro Preview cheaper than Google: Nano Banana (Gemini 2.5 Flash Image)?

No. Google: Nano Banana (Gemini 2.5 Flash Image) is the more cost-effective model, operating at a lower price point per 1 million tokens.

Which model has the larger context window?

The Google: Gemini 3 Pro Preview model has the advantage in memory, offering a massive 1,048,576 token limit for document ingestion.

Related Comparisons

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