Claude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/MClaude Fable 5$22.000/MClaude Opus 4.8$11.000/MClaude Opus 4.7$11.000/MClaude Opus 4.6$11.000/MClaude Opus 4.5$33.000/MClaude Sonnet 3.7$6.600/MClaude Opus 3$33.000/MClaude 2.1$12.800/MClaude 2$12.800/MGPT-5.5$12.500/MGPT-5.2$5.425/MGPT-5.2-Codex$5.425/MGPT-5$3.875/MGPT-4.5$97.500/MGPT-4 Turbo Preview$16.000/MGPT-4$39.000/MGPT-4-32k$78.000/Mo3$19.000/Mo3-mini$2.090/Mo4-mini$2.090/Mo1$28.500/Mo1-mini$5.700/Mo1-preview$28.500/MGemini 3.5 Pro$5.000/MGemini 3.1 Pro$5.000/MGemini 3 Pro$5.000/MGemini 2.5 Pro$3.875/MGemini 1.5 Pro$2.375/MGemini 1.0 Ultra$12.000/MGemini 1.0 Pro$0.800/M
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Nano Banana 2 (Gemini 3.1 Flash Image Preview)

text+image->text+image

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is a compact variant — chosen for high throughput and low cost rather than absolute capability. Available via Google. 131K-token context. Mid-tier pricing. Currently in preview — capabilities and pricing may shift.

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is a multimodal AI model from Google. It costs $0.500 per million input tokens and $3.000 per million output tokens (blended $1.250/M), with a 131K-token context window.

Modalities text, visionProvider pricing ↗API docs ↗Pricing source ↗Compare with another model →Estimate monthly cost →
INPUT
$0.500/M
per million input tokens
OUTPUT
$3.000/M
per million output tokens
BLENDED 70/30
$1.250/M
default reference rate · how it's calculated →
CONTEXT
131K
131,072 tokens
What it's good at
  • Sub-second latency
  • Affordable at scale
  • Good for routing & classification
  • Multimodal: handles images alongside text
Typical use cases
  • Routing & classification
  • Bulk summarisation
  • Realtime chat UX
Benchmarks
No published benchmark scores tracked for this model yet. Frontier and reasoning models from major providers have scores; smaller models and inference-host variants typically inherit the underlying open-weights score.
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Gemini 3 Pro
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Gemini 3 Flash
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Gemini 2.5 Pro
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Frequently asked questions

How much does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) costs $0.500 per million input tokens and $3.000 per million output tokens, for a blended reference rate of $1.250 per million tokens.

What is Nano Banana 2 (Gemini 3.1 Flash Image Preview)'s context window?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) supports up to 131K tokens of context (131,072 tokens).

What is Nano Banana 2 (Gemini 3.1 Flash Image Preview) best for?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is well suited to Sub-second latency, Affordable at scale and Good for routing & classification.

Who makes Nano Banana 2 (Gemini 3.1 Flash Image Preview)?

Nano Banana 2 (Gemini 3.1 Flash Image Preview) is developed and served by Google.