Model comparison

Gemini 2.5 Pro vs Nano Banana 2 (Gemini 3.1 Flash Image)

Compare Google: Gemini 2.5 Pro (Google) and Google: Nano Banana 2 (Gemini 3.1 Flash Image) (Google) by price, context, capabilities, and latency.

Which should you pick?

  • Price: Google: Nano Banana 2 (Gemini 3.1 Flash Image) is cheaper ($0.094 / 1M tokens input / $0.564 / 1M tokens output) vs Google: Gemini 2.5 Pro ($0.236 / 1M tokens input / $1.88 / 1M tokens output).
  • Context: Google: Gemini 2.5 Pro has the larger context window (1M tokens).
  • Google: Gemini 2.5 Pro adds: Tool calling.

Side by side

Google: Gemini 2.5 Pro vs Google: Nano Banana 2 (Gemini 3.1 Flash Image) — full comparison

Compare price, provider, context, capabilities, latency, and source basis.

ModelProviderInputOutputContextCapabilitiesBest forLatencyStatusSource
Google: Gemini 2.5 Progoogle/gemini-2.5-proGoogle$0.236 / 1M tokens$1.88 / 1M tokens1M
StreamingTool callingJSON modeVision
image understanding, multimodal chat1000-3000msCatalogPlatform curated
Google: Nano Banana 2 (Gemini 3.1 Flash Image)google/gemini-3.1-flash-imageGoogle$0.094 / 1M tokens$0.564 / 1M tokens131.1k
StreamingJSON modeVisionLong context
image understanding, multimodal chat1000-3000msCatalogPlatform curated

FAQ

Google: Gemini 2.5 Pro vs Google: Nano Banana 2 (Gemini 3.1 Flash Image) FAQ

Is Google: Gemini 2.5 Pro or Google: Nano Banana 2 (Gemini 3.1 Flash Image) cheaper?

Google: Nano Banana 2 (Gemini 3.1 Flash Image) is cheaper ($0.094 / 1M tokens input / $0.564 / 1M tokens output) vs Google: Gemini 2.5 Pro ($0.236 / 1M tokens input / $1.88 / 1M tokens output). Actual cost depends on your input/output token mix — estimate it with the pricing calculator.

Which has a larger context window, Google: Gemini 2.5 Pro or Google: Nano Banana 2 (Gemini 3.1 Flash Image)?

Google: Gemini 2.5 Pro is larger (1M tokens) vs 131.1k tokens.

Google: Gemini 2.5 Pro vs Google: Nano Banana 2 (Gemini 3.1 Flash Image) for Vision: which should I pick?

Both target Vision. Pick Google: Nano Banana 2 (Gemini 3.1 Flash Image) to optimize cost, or Google: Gemini 2.5 Pro for the longer context window. Test both on real prompts before committing production traffic.