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Nano Banana 2 (Gemini 3.1 Flash Image Preview) Pricing
Google · google-gemini-3-1-flash-image-preview
Input / 1M tokens
$0.500
Output / 1M tokens
$3.00
Context window
65,536 tokens
≈ 87 pages of text
Max output
65,536 tokens
What it costs in practice
Typical request (1,200 in + 400 out tokens)$0.0018
1,000 requests / month$1.80/mo10,000 requests / month$18.00/mo100,000 requests / month$180.00/moEstimate your own workloadOpens the calculator with Nano Banana 2 (Gemini 3.1 Flash Image Preview) preloaded — adjust volume and token counts there.
Price history
Only one price point recorded so far.
The staircase chart appears once a price change is detected.
What it excels at
Handles high-volume text and image inputs with 128k context and 64k output. Suitable for rapid multimodal classification and extraction tasks.
The business tradeoff
Reasoning depth is lower than flagship Gemini variants. Output token cost is six times input cost, increasing expense for long generations.
Cheaper from Google
Head-to-head
Vendor list rates, as of Jun 15, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.