API cost decision in 10 seconds

Claude Sonnet 5 (batch) vs Nano Banana Pro (Gemini 3 Pro Image)

Pick Claude Sonnet 5 (batch) 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 Claude Sonnet 5 (batch) when budget and context both matter.

On the standard 1M input plus 500K output workload, Claude Sonnet 5 (batch) is estimated at $3.5 vs $8 for Nano Banana Pro (Gemini 3 Pro Image), saving $4.5 (56.2% lower).

Cost-first pickClaude Sonnet 5 (batch)
Context-first pickClaude Sonnet 5 (batch)
Sample savings$4.556.2%
10x traffic gap$45

Claude Sonnet 5 (batch) is cheaper on the standard workload and also has the larger context window. At 10x that traffic, the same price gap is about $45. Use the calculator below to replace the sample workload with your own token volume.

Cost sensitivity

Workload Sensitivity

Same prices, different token mixes.

Claude Sonnet 5 (batch) stays cheaper across input-heavy, balanced, and output-heavy sample workloads.

Workload shapeToken mixBetter pickClaude Sonnet 5 (batch)Nano Banana Pro (Gemini 3 Pro Image)
Input-heavy / RAG5M input + 500K outputClaude Sonnet 5 (batch)$7.5$16
Balanced workload1M input + 1M outputClaude Sonnet 5 (batch)$6$14
Output-heavy chatbot1M input + 5M outputClaude Sonnet 5 (batch)$26$62
Cheaper input Claude Sonnet 5 (batch) $1 vs $2 / 1M

Claude Sonnet 5 (batch) is $1 cheaper per 1M input tokens (50% lower; 2x difference).

Cheaper output Claude Sonnet 5 (batch) $5 vs $12 / 1M

Claude Sonnet 5 (batch) is $7 cheaper per 1M output tokens (58.3% lower; 2.4x difference).

Larger context Claude Sonnet 5 (batch) 1M vs 131.07K

Claude Sonnet 5 (batch) has 868.93K more context (7.63x larger).

Sample workload Claude Sonnet 5 (batch) $3.5 vs $8

Claude Sonnet 5 (batch) is $4.5 cheaper on the standard workload (56.2% lower).

Estimate your workload cost

Your Workload Cost

Prices are normalized to USD per 1M tokens.
Claude Sonnet 5 (batch) 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

Claude Sonnet 5 (batch) has the lower input price; Claude Sonnet 5 (batch) has the lower output price; Claude Sonnet 5 (batch) offers the larger context window. For the 1M input plus 500K output sample, Claude Sonnet 5 (batch) is cheaper for the standard workload.

For a 1M input token plus 500K output token workload, the estimated API cost is $3.5 for Claude Sonnet 5 (batch) and $8 for Nano Banana Pro (Gemini 3 Pro Image).

Best Fit

Choose Claude Sonnet 5 (batch) when you care most about lower input-token price, lower output-token price, and larger context window.

Choose Nano Banana Pro (Gemini 3 Pro 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, Claude Sonnet 5 (batch) is estimated at $3.5 vs $8 for Nano Banana Pro (Gemini 3 Pro Image), saving $4.5 (56.2% lower).
  • Claude Sonnet 5 (batch) is $4.5 cheaper on the standard workload (56.2% lower).
  • Claude Sonnet 5 (batch) is $1 cheaper per 1M input tokens (50% lower; 2x difference).
  • Claude Sonnet 5 (batch) is $7 cheaper per 1M output tokens (58.3% lower; 2.4x difference).
  • Claude Sonnet 5 (batch) has 868.93K more context (7.63x larger).
Head-to-Head Specs
FeatureClaude Sonnet 5 (batch)
(Anthropic)
Nano Banana Pro (Gemini 3 Pro Image)
(Google)
Input Price
prompt tokens per 1M
$1$2
Completion Price
per 1M tokens
$5$12
Sample Workload Cost
1M input + 500K output
$3.5$8
Context Window1M131.07K
Release Date

Use-Case Decision Matrix

Use caseBetter pickWhy
Budget-constrained productionClaude Sonnet 5 (batch)On the standard 1M input plus 500K output workload, Claude Sonnet 5 (batch) is estimated at $3.5 vs $8 for Nano Banana Pro (Gemini 3 Pro Image), saving $4.5 (56.2% lower).
High-volume input processingClaude Sonnet 5 (batch)Lower prompt-token price matters most when prompts, retrieved passages, or documents dominate the bill.
Long responses and chatbotsClaude Sonnet 5 (batch)Lower output-token price matters most when assistants generate many completion tokens.
RAG or long-document workClaude Sonnet 5 (batch)A larger context window leaves more room for retrieved passages, conversation history, or source files.

Related Alternatives

Same-provider lower-cost swaps
  • Claude 3 Haiku can replace Claude Sonnet 5 (batch) when lower sample workload cost matters most: $0.88.
  • Claude Haiku 4.5 (batch) can replace Claude Sonnet 5 (batch) when lower sample workload cost matters most: $1.75.
  • Claude 3.5 Haiku can replace Claude Sonnet 5 (batch) when lower sample workload cost matters most: $2.8.
  • Gemma 4 26B A4B (free) can replace Nano Banana Pro (Gemini 3 Pro Image) when lower sample workload cost matters most: $0.

Cheaper alternatives

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Larger context alternatives

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

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Provider catalogs

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

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Anthropic catalog

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

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Google catalog

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

Open Google models
Claude Sonnet 5 (batch)

Sonnet 5 is Anthropic's most capable Sonnet-class model, with frontier performance across coding, agents, and professional work. It supports adaptive thinking with selectable reasoning effort levels (low, medium, high, max,...

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...