MODEL COMPARE

Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT-5.4 Image 2: Pricing, Capabilities and Benchmarks

Compare Nano Banana 2 (Gemini 3.1 Flash Image) and GPT-5.4 Image 2 across context window, API pricing, modalities, tool use and recommended use cases.

Verified
DECISION SUMMARY

Decision summary

Recommendations are conditional. Unknown values never count as a loss, and missing comparable benchmarks produce no winner.

Best for coding

Insufficient data
Evidencecomparable_coding_benchmark_missing

No same-source coding benchmark is attached to both model versions.

Best for agents

Insufficient data
Evidencecomparable_agent_benchmark_missing

Capabilities are listed, but a comparable agent benchmark is missing.

Long context

GPT-5.4 Image 2
Evidencecontext_window_larger

Nano Banana 2 (Gemini 3.1 Flash Image)=131072; GPT-5.4 Image 2=272000

Lower monthly token cost

Nano Banana 2 (Gemini 3.1 Flash Image)
Evidencesame_provider_monthly_cost_lower

Nano Banana 2 (Gemini 3.1 Flash Image)=1.1; GPT-5.4 Image 2=11; input=1000000; cached_input=0; output=200000; provider=OpenRouter

Open deployment

Insufficient data
Evidenceopen_weights_support

Nano Banana 2 (Gemini 3.1 Flash Image)=unknown; GPT-5.4 Image 2=unknown

MODEL ATTRIBUTES

Full comparison

Source scope: Provider endpoint

Attribute Nano Banana 2 (Gemini 3.1 Flash Image) GPT-5.4 Image 2Winner
Context windowcontext_window_largerProvider endpoint131K272KGPT-5.4 Image 2
Maximum outputmax_output_largerProvider endpoint33K128KGPT-5.4 Image 2
Input modalitiesinput_modalities_differProvider endpointImage, TextImage, Text, FileInsufficient data
Output modalitiesoutput_modalities_differProvider endpointImage, TextImage, TextInsufficient data
Tool callingtool_calling_supportProvider endpointNot supportedNot supportedTie
Structured outputstructured_output_supportProvider endpointSupportedSupportedTie
Reasoningreasoning_supportModelSupportedSupportedInsufficient data
Open weightsopen_weights_supportModelUnknownUnknownInsufficient data
Input price per 1M tokensinput_price_lowerProvider endpoint$0.50$8Nano Banana 2 (Gemini 3.1 Flash Image)
Output price per 1M tokensoutput_price_lowerProvider endpoint$3$15Nano Banana 2 (Gemini 3.1 Flash Image)
USAGE ESTIMATOR

Monthly cost calculator

Estimate token charges for the selected provider endpoints. Image, audio, request and web-search charges are not included.

This is a provider snapshot, not a quote. Confirm production pricing before use.
Nano Banana 2 (Gemini 3.1 Flash Image)$1.1Estimated monthly cost
GPT-5.4 Image 2$11Estimated monthly cost