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Nano Banana 2 (Gemini 3.1 Flash Image) Pricing

Google · google-gemini-3-1-flash-image

Input / 1M tokens
$0.500
Output / 1M tokens
$3.00
Context window
131,072 tokens
≈ 175 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/mo
Estimate your own workloadOpens the calculator with Nano Banana 2 (Gemini 3.1 Flash Image) 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 image captioning, OCR, and basic visual QA at low latency.

The business tradeoff

Reasoning depth and multi-step logic lag behind Gemini flagship variants; output token pricing is six times input.

Cheaper from Google

Gemini 3.1 Flash LiteGoogle$0.0009/ typical requestGemma 4 26B A4BGoogle$0.0002/ typical request

Same tier from other providers

GPT-5.4 NanoOpenAI$0.0007/ typical requestClaude Haiku 4.5Anthropic$0.0032/ typical requestLlama 3.3 70BMeta$0.0002/ typical request

Head-to-head

Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT-5.4 Nano →Nano Banana 2 (Gemini 3.1 Flash Image) vs Claude Haiku 4.5 →Nano Banana 2 (Gemini 3.1 Flash Image) vs Llama 3.3 70B →

Vendor list rates, as of Jun 18, 2026 · source: openrouter · per-request examples assume 1,200 input + 400 output tokens.