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Google: Gemini 3.8 Flash (batch) vs Google: Nano Banana 2.1: API Pricing Compared
Comparing Google: Gemini 3.8 Flash (batch) and Google: Nano Banana 2.1: on combined input+output list price, Google: Gemini 3.8 Flash (batch) is cheaper at $2.25 vs $9 per 1M tokens — a difference of $6.75 (75%). Google: Gemini 3.8 Flash (batch) costs $0.375 in / $1.875 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 (batch) | Google: Nano Banana 2.1 | |
|---|---|---|
| Input /1M | $0.375 | $1.5 |
| Output /1M | $1.875 | $7.5 |
| Cached input /1M | $0.0375 | — |
| Context window | 1,048,576 | 65,536 |
| Max output tokens | 65,536 | 58,982 |
| Cost @ 10M in + 2M out / mo | $7.5 | $30 |
Estimate your own workload in the cost calculator, or open the full pages for Google: Gemini 3.8 Flash (batch) and Google: Nano Banana 2.1.
Frequently asked questions
Which is cheaper, Google: Gemini 3.8 Flash (batch) or Google: Nano Banana 2.1?
Google: Gemini 3.8 Flash (batch) is cheaper on combined list price: $2.25 vs $9 per 1M tokens (input + output). At 10M input + 2M output tokens per month, Google: Gemini 3.8 Flash (batch) costs $7.5 and Google: Nano Banana 2.1 costs $30.
Which has the larger context window, Google: Gemini 3.8 Flash (batch) or Google: Nano Banana 2.1?
Google: Gemini 3.8 Flash (batch) 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 (batch).
Price snapshot October 21, 2026, refreshed daily.