API cost decision in 10 seconds

Aion-3.0 vs Nano Banana 2 (Gemini 3.1 Flash Image)

Pick Nano Banana 2 (Gemini 3.1 Flash Image) when budget is the priority.

Page updated: 2026-07-07T20:07:58Z 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 (Gemini 3.1 Flash Image) when budget is the priority.

On the standard 1M input plus 500K output workload, Nano Banana 2 (Gemini 3.1 Flash Image) is estimated at $2 vs $6 for Aion-3.0, saving $4 (66.7% lower).

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

Context-first pickBoth models

Sample savings$466.7%

10x traffic gap$40

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $40. 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 (Gemini 3.1 Flash Image) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shape	Token mix	Better pick	Aion-3.0	Nano Banana 2 (Gemini 3.1 Flash Image)
Input-heavy / RAG	5M input + 500K output	Nano Banana 2 (Gemini 3.1 Flash Image)	$18	$4
Balanced workload	1M input + 1M output	Nano Banana 2 (Gemini 3.1 Flash Image)	$9	$3.5
Output-heavy chatbot	1M input + 5M output	Nano Banana 2 (Gemini 3.1 Flash Image)	$33	$15.5

Cheaper input Nano Banana 2 (Gemini 3.1 Flash Image) $3 vs $0.5 / 1M

Nano Banana 2 (Gemini 3.1 Flash Image) is $2.5 cheaper per 1M input tokens (83.3% lower; 6x difference).

Cheaper output Nano Banana 2 (Gemini 3.1 Flash Image) $6 vs $3 / 1M

Nano Banana 2 (Gemini 3.1 Flash Image) is $3 cheaper per 1M output tokens (50% lower; 2x difference).

Larger context Tie 131.07K vs 131.07K

Both models report the same context window at 131.07K tokens.

Sample workload Nano Banana 2 (Gemini 3.1 Flash Image) $6 vs $2

Nano Banana 2 (Gemini 3.1 Flash Image) is $4 cheaper on the standard workload (66.7% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.

Monthly input tokens Monthly output tokens

Aion-3.0 Calculating… Estimated API cost

Nano Banana 2 (Gemini 3.1 Flash Image) 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 (Gemini 3.1 Flash Image) has the lower input price; Nano Banana 2 (Gemini 3.1 Flash Image) has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Nano Banana 2 (Gemini 3.1 Flash Image) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $6 for Aion-3.0 and $2 for Nano Banana 2 (Gemini 3.1 Flash Image).

Best Fit

Choose Aion-3.0 when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

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

Decision Notes

On the standard 1M input plus 500K output workload, Nano Banana 2 (Gemini 3.1 Flash Image) is estimated at $2 vs $6 for Aion-3.0, saving $4 (66.7% lower).
Nano Banana 2 (Gemini 3.1 Flash Image) is $4 cheaper on the standard workload (66.7% lower).
Nano Banana 2 (Gemini 3.1 Flash Image) is $2.5 cheaper per 1M input tokens (83.3% lower; 6x difference).
Nano Banana 2 (Gemini 3.1 Flash Image) is $3 cheaper per 1M output tokens (50% lower; 2x difference).
Both models report the same context window at 131.07K tokens.

Head-to-Head Specs

Feature	Aion-3.0 (AionLabs)	Nano Banana 2 (Gemini 3.1 Flash Image) (Google)
Input Price prompt tokens per 1M	$3	$0.5
Completion Price per 1M tokens	$6	$3
Sample Workload Cost 1M input + 500K output	$6	$2
Context Window	131.07K	131.07K
Release Date	2026-07-07	2026-06-18

Use-Case Decision Matrix

Use case	Better pick	Why
Budget-constrained production	Nano Banana 2 (Gemini 3.1 Flash Image)	On the standard 1M input plus 500K output workload, Nano Banana 2 (Gemini 3.1 Flash Image) is estimated at $2 vs $6 for Aion-3.0, saving $4 (66.7% lower).
High-volume input processing	Nano Banana 2 (Gemini 3.1 Flash Image)	Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbots	Nano Banana 2 (Gemini 3.1 Flash Image)	Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document work	Tie	A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps

Aion-3.0-Mini can replace Aion-3.0 when lower sample workload cost matters most: $1.4.
Aion-1.0-Mini can replace Aion-3.0 when lower sample workload cost matters most: $1.4.
Aion-2.0 can replace Aion-3.0 when lower sample workload cost matters most: $1.6.
Aion-RP 1.0 (8B) can replace Aion-3.0 when lower sample workload cost matters most: $1.6.

Larger context near this budget

Grok 4.20 Multi-Agent offers 2M context with $2.5 sample workload cost.
Grok 4.20 offers 2M context with $2.5 sample workload cost.
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.

Popular competitors

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

Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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AionLabs catalog

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Google catalog

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Aion-3.0

Aion-3.0 is a multi-model roleplaying and storytelling system from AionLabs, built on the GLM family of models. It uses a collaborative generation process in which multiple specialized models each contribute...

Nano Banana 2 (Gemini 3.1 Flash Image)

Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced...