API cost decision in 10 seconds

Aion-3.0 vs Nano Banana Pro (Gemini 3 Pro Image)

Pick Aion-3.0 when budget is the priority.

Page updated:  Data confirmed:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Aion-3.0 when budget is the priority.

On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $8 for Nano Banana Pro (Gemini 3 Pro Image), saving $2 (25% lower).

Cost-first pickAion-3.0
Context-first pickBoth models
Sample savings$225%
10x traffic gap$20

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $20. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Cost winner changes by workload shape: input-heavy / RAG favors Nano Banana Pro (Gemini 3 Pro Image), balanced workload favors Aion-3.0, and output-heavy chatbot favors Aion-3.0.

Workload shapeToken mixBetter pickAion-3.0Nano Banana Pro (Gemini 3 Pro Image)
Input-heavy / RAG5M input + 500K outputNano Banana Pro (Gemini 3 Pro Image)$18$16
Balanced workload1M input + 1M outputAion-3.0$9$14
Output-heavy chatbot1M input + 5M outputAion-3.0$33$62
Cheaper input Nano Banana Pro (Gemini 3 Pro Image) $3 vs $2 / 1M

Nano Banana Pro (Gemini 3 Pro Image) is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).

Cheaper output Aion-3.0 $6 vs $12 / 1M

Aion-3.0 is $6 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 Aion-3.0 $6 vs $8

Aion-3.0 is $2 cheaper on the standard workload (25% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Aion-3.0 Calculating… Estimated API cost
Nano Banana Pro (Gemini 3 Pro 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 Pro (Gemini 3 Pro Image) has the lower input price; Aion-3.0 has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Aion-3.0 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 $8 for Nano Banana Pro (Gemini 3 Pro Image).

Best Fit

Choose Aion-3.0 when you care most about lower output-token price.

Choose Nano Banana Pro (Gemini 3 Pro Image) when you care most about lower input-token price.

Decision Notes
  • On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $8 for Nano Banana Pro (Gemini 3 Pro Image), saving $2 (25% lower).
  • Aion-3.0 is $2 cheaper on the standard workload (25% lower).
  • Nano Banana Pro (Gemini 3 Pro Image) is $1 cheaper per 1M input tokens (33.3% lower; 1.5x difference).
  • Aion-3.0 is $6 cheaper per 1M output tokens (50% lower; 2x difference).
  • Both models report the same context window at 131.07K tokens.
Head-to-Head Specs
FeatureAion-3.0
(AionLabs)		Nano Banana Pro (Gemini 3 Pro Image)
(Google)
Input Price
prompt tokens per 1M		$3$2
Completion Price
per 1M tokens		$6$12
Sample Workload Cost
1M input + 500K output		$6$8
Context Window131.07K131.07K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionAion-3.0On the standard 1M input plus 500K output workload, Aion-3.0 is estimated at $6 vs $8 for Nano Banana Pro (Gemini 3 Pro Image), saving $2 (25% lower).
High-volume input processingNano Banana Pro (Gemini 3 Pro Image)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsAion-3.0Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workTieA 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.

Cheaper alternatives

Review low-cost models sorted by a standard 1M input plus 500K output workload.

Open cheapest models

Larger context alternatives

Find models with larger context windows for RAG, long documents, and codebase review.

Open largest context models

Provider catalogs

Compare models within provider hubs before choosing a final API vendor.

Open provider hubs

AionLabs catalog

Review all tracked AionLabs models before deciding whether this matchup is the right shortlist.

Open AionLabs models

Google catalog

Check other Google models with comparable pricing, context, or release timing.

Open Google models
Aion-3.0

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Nano Banana Pro (Gemini 3 Pro Image)

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...