Home › Compare › Google: Gemini 3.8 Flash vs Google: Nano Banana 2.1
Google: Gemini 3.8 Flash vs Google: Nano Banana 2.1: API Pricing Compared
Comparing Google: Gemini 3.8 Flash and Google: Nano Banana 2.1: on combined input+output list price, Google: Gemini 3.8 Flash is cheaper at $4.95 vs $9 per 1M tokens — a difference of $4.05 (45%). Google: Gemini 3.8 Flash costs $0.825 in / $4.125 out with a 1,048,576-token context; Google: Nano Banana 2.1 costs $1.5 in / $7.5 out with a 65,536-token context.
| Google: Gemini 3.8 Flash | Google: Nano Banana 2.1 | |
|---|---|---|
| Input /1M | $0.825 | $1.5 |
| Output /1M | $4.125 | $7.5 |
| Cached input /1M | $0.0825 | — |
| Context window | 1,048,576 | 65,536 |
| Max output tokens | 65,536 | 58,982 |
| Cost @ 10M in + 2M out / mo | $16.5 | $30 |
Estimate your own workload in the cost calculator, or open the full pages for Google: Gemini 3.8 Flash and Google: Nano Banana 2.1.
Frequently asked questions
Which is cheaper, Google: Gemini 3.8 Flash or Google: Nano Banana 2.1?
Google: Gemini 3.8 Flash is cheaper on combined list price: $4.95 vs $9 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Google: Gemini 3.8 Flash costs $16.5 and Google: Nano Banana 2.1 costs $30.
Which has the larger context window, Google: Gemini 3.8 Flash or Google: Nano Banana 2.1?
Google: Gemini 3.8 Flash has a context window of 1,048,576 tokens; Google: Nano Banana 2.1 has 65,536 tokens. The larger one is Google: Gemini 3.8 Flash.
Price snapshot October 21, 2026, refreshed daily.