CostPerGen

Gemini 3.1 Flash Image (Nano Banana 2) costs between $0.034 and $0.067 per image at 1024×1024 depending on the provider. Cheapest verified path: Google (Gemini API / Vertex) (Batch API) at $0.034. Prices stamped 2026-09-07; labels below state how each number was obtained.

Image index·Google·Updated September 7, 2026

Gemini 3.1 Flash Image (Nano Banana 2) pricing

Google's fast image model — token-billed on the Gemini API, with a published per-image equivalent.

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

ProviderPrice /image (1024²)Provider's own unitvs officialStatusSource
Google (Gemini API / Vertex)$0.067$60.00 per 1M output image tokens ≈ $0.067 per 1K imageUSD per 1M tokens—Verified2026-09-07source
Google (Gemini API / Vertex) · Batch APIcheapest$0.034$30.00 per 1M output image tokens ≈ $0.034 per 1K imageUSD per 1M tokens—Verified2026-09-07source

Token-billed: image output at $60 per 1M tokens; a 1K (1024×1024) image consumes 1,120 tokens. Google publishes the per-image equivalents: $0.045 (0.5K), $0.067 (1K), $0.101 (2K), $0.151 (4K).

What would Gemini 3.1 Flash Image (Nano Banana 2) cost you?

Presets:(at 1024×1024, default quality)

Model · provider$/image (1024²)TotalStatus
Gemini 3.1 Flash Image (Nano Banana 2) · Google (Gemini API / Vertex) (Batch API)$0.034—verified
Gemini 3.1 Flash Image (Nano Banana 2) · Google (Gemini API / Vertex)$0.067—verified

Totals use the normalized canonical rate (USD per image at 1024×1024, default quality). Resolution multipliers, minimum charges, and tier effects can change real invoices — check each model page.

Price history

Every future change to a Gemini 3.1 Flash Image (Nano Banana 2) price lands in the public change log.

Frequently asked

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

Gemini 3.1 Flash Image (Nano Banana 2) costs between $0.034 and $0.067 per 1024×1024 image depending on the provider and tier (stamped 2026-09-07).

What do 1,000 images cost with Gemini 3.1 Flash Image (Nano Banana 2)?

Between $34 and $67 for 1,000 images at 1024×1024, using the normalized canonical rate. Real invoices vary with resolution, quality tier, and input-token charges.

What is the cheapest way to run Gemini 3.1 Flash Image (Nano Banana 2)?

The lowest verified price in the index is $0.034/image via google (Batch API). Check the label — only live-verified prices are guaranteed current.

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Data provenance: Official prices read live from the provider's public pricing page on 2026-09-07; aggregator rates carried from the FairStack operational cost audit, 2026-03-23 (price-audit-full.json). For quality benchmarks (not pricing), seeArtificial Analysis — we index cost, they index quality.