API cost decision in 10 seconds

Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Seed 1.6

Pick Seed 1.6 when budget and context both matter.

Pricing data updated:  Prices normalized to USD per 1M tokens Sample workload: 1M input + 500K output

Budget verdict

Pick Seed 1.6 when budget and context both matter.

On the standard 1M input plus 500K output workload, Seed 1.6 is estimated at $1.25 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $0.75 (37.5% lower).

Cost-first pickSeed 1.6
Context-first pickSeed 1.6
Sample savings$0.7537.5%
10x traffic gap$7.5

Seed 1.6 is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $7.5. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Seed 1.6 stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickNano Banana 2 (Gemini 3.1 Flash Image Preview)Seed 1.6
Input-heavy / RAG5M input + 500K outputSeed 1.6$4$2.25
Balanced workload1M input + 1M outputSeed 1.6$3.5$2.25
Output-heavy chatbot1M input + 5M outputSeed 1.6$15.5$10.25
Cheaper input Seed 1.6 $0.5 vs $0.25 / 1M

Seed 1.6 is $0.25 cheaper per 1M input tokens (50% lower; 2x difference).

Cheaper output Seed 1.6 $3 vs $2 / 1M

Seed 1.6 is $1 cheaper per 1M output tokens (33.3% lower; 1.5x difference).

Larger context Seed 1.6 131.07K vs 262.14K

Seed 1.6 has 131.07K more context (2x larger).

Sample workload Seed 1.6 $2 vs $1.25

Seed 1.6 is $0.75 cheaper on the standard workload (37.5% 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
Seed 1.6 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

Seed 1.6 has the lower input price; Seed 1.6 has the lower output price; Seed 1.6 offers the larger context window. For the 1M input plus 500K output sample, Seed 1.6 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 $1.25 for Seed 1.6.

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 Seed 1.6 when you care most about lower input-token price, lower output-token price, and larger context window.

Decision Notes
  • On the standard 1M input plus 500K output workload, Seed 1.6 is estimated at $1.25 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $0.75 (37.5% lower).
  • Seed 1.6 is $0.75 cheaper on the standard workload (37.5% lower).
  • Seed 1.6 is $0.25 cheaper per 1M input tokens (50% lower; 2x difference).
  • Seed 1.6 is $1 cheaper per 1M output tokens (33.3% lower; 1.5x difference).
  • Seed 1.6 has 131.07K more context (2x larger).
Head-to-Head Specs
FeatureNano Banana 2 (Gemini 3.1 Flash Image Preview)
(Google)
Seed 1.6
(ByteDance Seed)
Input Price
prompt tokens per 1M
$0.5$0.25
Completion Price
per 1M tokens
$3$2
Sample Workload Cost
1M input + 500K output
$2$1.25
Context Window131.07K262.14K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionSeed 1.6On the standard 1M input plus 500K output workload, Seed 1.6 is estimated at $1.25 vs $2 for Nano Banana 2 (Gemini 3.1 Flash Image Preview), saving $0.75 (37.5% lower).
High-volume input processingSeed 1.6Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsSeed 1.6Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workSeed 1.6A 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
Popular competitors
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Cheaper alternatives

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Larger context alternatives

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Provider catalogs

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Google catalog

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

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ByteDance Seed catalog

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

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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...

Seed 1.6

Seed 1.6 is a general-purpose model released by the ByteDance Seed team. It incorporates multimodal capabilities and adaptive deep thinking with a 256K context window.