API cost decision in 10 seconds

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs Google Gemini Flash Latest

Pick Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) for lower cost; pick Google Gemini Flash Latest only if the larger context window matters more.

Page updated: 2026-08-18T20:08:16Z Data confirmed: 2026-08-23T12:07:48Z Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) for lower cost; pick Google Gemini Flash Latest only if the larger context window matters more.

On the standard 1M input plus 500K output workload, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is estimated at $1 vs $1.31 for Google Gemini Flash Latest, saving $0.31 (23.8% lower).

Cost-first pickNano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Context-first pickGoogle Gemini Flash Latest

Sample savings$0.3123.8%

10x traffic gap$3.12

Google Gemini Flash Latest has more context, but Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) saves $0.31 on the standard workload. At 10x that traffic, the same price gap is about $3.12. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	Google Gemini Flash Latest
Input-heavy / RAG	5M input + 500K output	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	$2	$2.81
Balanced workload	1M input + 1M output	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	$1.75	$2.25
Output-heavy chatbot	1M input + 5M output	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	$7.75	$9.75

Cheaper input Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) $0.25 vs $0.375 / 1M

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is $0.12 cheaper per 1M input tokens (33.3% lower; 1.5x difference).

Cheaper output Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) $1.5 vs $1.875 / 1M

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is $0.38 cheaper per 1M output tokens (20% lower; 1.25x difference).

Larger context Google Gemini Flash Latest 65.54K vs 1.05M

Google Gemini Flash Latest has 983.04K more context (16x larger).

Sample workload Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) $1 vs $1.31

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is $0.31 cheaper on the standard workload (23.8% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) Calculating… Estimated API cost

Google Gemini Flash Latest Calculating… Estimated API cost

Cheaper for this workload Calculating… Difference: calculating…

This estimate uses normalized public API pricing per 1M tokens. It is a planning aid, not a billing quote. Verify provider pricing, limits, and terms before production use.

Quick Decision

Verdict

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has the lower input price; Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) has the lower output price; Google Gemini Flash Latest offers the larger context window. For the 1M input plus 500K output sample, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $1 for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) and $1.31 for Google Gemini Flash Latest.

Best Fit

Choose Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when you care most about lower input-token price, and lower output-token price.

Choose Google Gemini Flash Latest when you care most about larger context window.

Decision Notes

On the standard 1M input plus 500K output workload, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is estimated at $1 vs $1.31 for Google Gemini Flash Latest, saving $0.31 (23.8% lower).
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is $0.31 cheaper on the standard workload (23.8% lower).
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is $0.12 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is $0.38 cheaper per 1M output tokens (20% lower; 1.25x difference).
Google Gemini Flash Latest has 983.04K more context (16x larger).

Head-to-Head Specs

Feature	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) (Google)	Google Gemini Flash Latest (Google)
Input Price prompt tokens per 1M	$0.25	$0.375
Completion Price per 1M tokens	$1.5	$1.875
Sample Workload Cost 1M input + 500K output	$1	$1.31
Context Window	65.54K	1.05M
Release Date	2026-06-30	2026-04-27

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	On the standard 1M input plus 500K output workload, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is estimated at $1 vs $1.31 for Google Gemini Flash Latest, saving $0.31 (23.8% lower).
High-volume input processing	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Google Gemini Flash Latest	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Gemma 4 26B A4B (free) can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.
Gemma 4 31B (free) can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.
Lyria 3 Pro Preview can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.
Lyria 3 Clip Preview can replace Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) when lower sample workload cost matters most: $0.

Larger context near this budget

DeepSeek V4 Flash 0731 offers 1.31M context with $0.17 sample workload cost.
DeepSeek V4 Flash Latest offers 1.31M context with $0.11 sample workload cost.
Llama 4 Scout offers 1.31M context with $0.25 sample workload cost.
MiMo-V2.5 offers 1.05M context with $0.28 sample workload cost.

Popular competitors

DeepSeek V4 Flash 0731 · DeepSeek · #1
MiMo-V2.5 · Xiaomi · #2
Hy3 · Tencent · #3
Ox Alpha · stealth · #4

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Google catalog

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Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)

Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...

Google Gemini Flash Latest

This model always redirects to the latest model in the Google Gemini Flash family.