API cost decision in 10 seconds

Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Ministral 3 3B 2512

Pick Ministral 3 3B 2512 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 Ministral 3 3B 2512 when budget is the priority.

On the standard 1M input plus 500K output workload, Ministral 3 3B 2512 is estimated at $0.15 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $1.85 (92.5% lower).

Cost-first pickMinistral 3 3B 2512
Context-first pickBoth models
Sample savings$1.8592.5%
10x traffic gap$18.5

The reported context window is tied, so cost and provider fit carry more weight. At 10x that traffic, the same price gap is about $18.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Ministral 3 3B 2512 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickNano Banana 2 (Gemini 3.1 Flash Image Preview)Ministral 3 3B 2512
Input-heavy / RAG5M input + 500K outputMinistral 3 3B 2512$4$0.55
Balanced workload1M input + 1M outputMinistral 3 3B 2512$3.5$0.2
Output-heavy chatbot1M input + 5M outputMinistral 3 3B 2512$15.5$0.6
Cheaper input Ministral 3 3B 2512 $0.5 vs $0.1 / 1M

Ministral 3 3B 2512 is $0.4 cheaper per 1M input tokens (80% lower; 5x difference).

Cheaper output Ministral 3 3B 2512 $3 vs $0.1 / 1M

Ministral 3 3B 2512 is $2.9 cheaper per 1M output tokens (96.7% lower; 30x difference).

Larger context Tie 131.07K vs 131.07K

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

Sample workload Ministral 3 3B 2512 $2 vs $0.15

Ministral 3 3B 2512 is $1.85 cheaper on the standard workload (92.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) Calculating… Estimated API cost
Ministral 3 3B 2512 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

Ministral 3 3B 2512 has the lower input price; Ministral 3 3B 2512 has the lower output price; both models report the same context window. For the 1M input plus 500K output sample, Ministral 3 3B 2512 is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview) and $0.15 for Ministral 3 3B 2512.

Best Fit

Choose Nano Banana 2 (Gemini 3.1 Flash Image Preview) when its provider, model quality, latency, or availability is more important than the numeric price/context winner.

Choose Ministral 3 3B 2512 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, Ministral 3 3B 2512 is estimated at $0.15 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $1.85 (92.5% lower).
  • Ministral 3 3B 2512 is $1.85 cheaper on the standard workload (92.5% lower).
  • Ministral 3 3B 2512 is $0.4 cheaper per 1M input tokens (80% lower; 5x difference).
  • Ministral 3 3B 2512 is $2.9 cheaper per 1M output tokens (96.7% lower; 30x difference).
  • Both models report the same context window at 131.07K tokens.
Head-to-Head Specs
FeatureNano Banana 2 (Gemini 3.1 Flash Image Preview)
(Google)		Ministral 3 3B 2512
(Mistral)
Input Price
prompt tokens per 1M		$0.5$0.1
Completion Price
per 1M tokens		$3$0.1
Sample Workload Cost
1M input + 500K output		$2$0.15
Context Window131.07K131.07K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionMinistral 3 3B 2512On the standard 1M input plus 500K output workload, Ministral 3 3B 2512 is estimated at $0.15 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $1.85 (92.5% lower).
High-volume input processingMinistral 3 3B 2512Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsMinistral 3 3B 2512Lower 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
  • Gemma 4 26B A4B (free) can replace Nano Banana 2 (Gemini 3.1 Flash Image Preview) when lower sample workload cost matters most: $0.
  • Gemma 4 31B (free) can replace Nano Banana 2 (Gemini 3.1 Flash Image Preview) when lower sample workload cost matters most: $0.
  • Lyria 3 Pro Preview can replace Nano Banana 2 (Gemini 3.1 Flash Image Preview) when lower sample workload cost matters most: $0.
  • Lyria 3 Clip Preview can replace Nano Banana 2 (Gemini 3.1 Flash Image Preview) when lower sample workload cost matters most: $0.
Larger context near this budget
  • Llama 4 Scout offers 10M context with $0.23 sample workload cost.
  • Grok 4.20 offers 2M context with $2.5 sample workload cost.
  • Owl Alpha offers 1.05M context with $0 sample workload cost.
  • DeepSeek V4 Flash offers 1.05M context with $0.2 sample workload cost.

Cheaper alternatives

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

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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.

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Google catalog

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

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Mistral catalog

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

Open Mistral models
Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Gemini 3.1 Flash Image Preview, 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...

Ministral 3 3B 2512

The smallest model in the Ministral 3 family, Ministral 3 3B is a powerful, efficient tiny language model with vision capabilities.