API cost decision in 10 seconds

NewDeepSeek Flash Latest vs Nano Banana 2 (Gemini 3.1 Flash Image)

Pick DeepSeek Flash Latest when budget and context both matter.

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

Budget verdict

Pick DeepSeek Flash Latest when budget and context both matter.

On the standard 1M input plus 500K output workload, DeepSeek Flash Latest is estimated at $0.45 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image), saving $1.55 (77.5% lower).

Cost-first pickDeepSeek Flash Latest
Context-first pickDeepSeek Flash Latest
Sample savings$1.5577.5%
10x traffic gap$15.5

DeepSeek Flash Latest is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $15.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

DeepSeek Flash Latest stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickDeepSeek Flash LatestNano Banana 2 (Gemini 3.1 Flash Image)
Input-heavy / RAG5M input + 500K outputDeepSeek Flash Latest$1.05$4
Balanced workload1M input + 1M outputDeepSeek Flash Latest$0.75$3.5
Output-heavy chatbot1M input + 5M outputDeepSeek Flash Latest$3.15$15.5
Cheaper input DeepSeek Flash Latest $0.15 vs $0.5 / 1M

DeepSeek Flash Latest is $0.35 cheaper per 1M input tokens (70% lower; 3.33x difference).

Cheaper output DeepSeek Flash Latest $0.6 vs $3 / 1M

DeepSeek Flash Latest is $2.4 cheaper per 1M output tokens (80% lower; 5x difference).

Larger context DeepSeek Flash Latest 1.05M vs 131.07K

DeepSeek Flash Latest has 917.5K more context (8x larger).

Sample workload DeepSeek Flash Latest $0.45 vs $2

DeepSeek Flash Latest is $1.55 cheaper on the standard workload (77.5% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
DeepSeek Flash Latest 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

DeepSeek Flash Latest has the lower input price; DeepSeek Flash Latest has the lower output price; DeepSeek Flash Latest offers the larger context window. For the 1M input plus 500K output sample, DeepSeek Flash Latest is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $0.45 for DeepSeek Flash Latest and $2 for Nano Banana 2 (Gemini 3.1 Flash Image).

Best Fit

Choose DeepSeek Flash Latest when you care most about lower input-token price, lower output-token price, and larger context window.

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

Decision Notes
  • On the standard 1M input plus 500K output workload, DeepSeek Flash Latest is estimated at $0.45 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image), saving $1.55 (77.5% lower).
  • DeepSeek Flash Latest is $1.55 cheaper on the standard workload (77.5% lower).
  • DeepSeek Flash Latest is $0.35 cheaper per 1M input tokens (70% lower; 3.33x difference).
  • DeepSeek Flash Latest is $2.4 cheaper per 1M output tokens (80% lower; 5x difference).
  • DeepSeek Flash Latest has 917.5K more context (8x larger).
Head-to-Head Specs
FeatureNewDeepSeek Flash Latest
(DeepSeek)
Nano Banana 2 (Gemini 3.1 Flash Image)
(Google)
Input Price
prompt tokens per 1M
$0.15$0.5
Completion Price
per 1M tokens
$0.6$3
Sample Workload Cost
1M input + 500K output
$0.45$2
Context Window1.05M131.07K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionDeepSeek Flash LatestOn the standard 1M input plus 500K output workload, DeepSeek Flash Latest is estimated at $0.45 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image), saving $1.55 (77.5% lower).
High-volume input processingDeepSeek Flash LatestLower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsDeepSeek Flash LatestLower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workDeepSeek Flash LatestA larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

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Larger context alternatives

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Provider catalogs

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

Open provider hubs

DeepSeek catalog

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Google catalog

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

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DeepSeek Flash Latest

This model always redirects to the latest model in the DeepSeek Flash family.

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...