llmgauge

Google · model

Nano Banana 2 (Gemini 3.1 Flash Image Preview)

$0.50/1M in · $3.00/1M out · 131K context. That's cheaper than 33% of the 298 models we track, by output price. Here's what it costs, how its price has moved, and where it fits.

output price · per 1M tokens
$3.00
input $0.50/1M · list
Context
131K
Input / 1M
$0.50
Output / 1M
$3.00
Modality
text + image
Provider
Google
Tokenizer
Gemini

Snapshot · source: provider list ↗ · how we measure →

cost at a typical workload
$450 / mo

For 1,500 input + 500 output tokens across 200,000 requests/month. That's 75× the cheapest tracked option (Ling-2.6-flash, $6.00/mo).

Tune the workload in the calculator →

output price history
output / 1M

Flat at $3.00 since tracking began 2026-06-14. Full history →

Where it fits

  • Multimodal prompts — accepts image input alongside text.

Watch for

    These notes are derived from price, context and modality — structural facts, not measured quality. Measured cost-to-finish-a-task lives on the real-cost index.

    Related models

    Gemini 3 Flash Preview Google · $3.00/1M out · 1.0M Gemini 2.5 Flash Google · $2.50/1M out · 1.0M Nano Banana (Gemini 2.5 Flash Image) Google · $2.50/1M out · 33K Gemini 3.1 Flash Lite Google · $1.50/1M out · 1.0M Relace Search Relace · $3.00/1M out · 256K Hermes 4 405B Nousresearch · $3.00/1M out · 131K

    See how the leading models compare head-to-head →

    How to read Nano Banana 2 (Gemini 3.1 Flash Image Preview)'s pricing

    Two numbers decide most of the bill: $0.50/1M for input (everything you send — prompt, context, attachments) and $3.00/1M for output (everything it generates, including hidden reasoning tokens). Output is priced 6.0× the input rate here, so the shape of your workload — how much it reads versus writes — matters as much as the headline figure. This is the provider's first-party list price, reconciled against the routed market each run.

    Frequently asked questions

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

    Nano Banana 2 (Gemini 3.1 Flash Image Preview) is priced at $0.50 per 1M input tokens and $3.00 per 1M output tokens (first-party list price) as of the 2026-06-15 snapshot. Output is the figure that usually drives the bill. Enter your own token volumes in the cost calculator for a monthly estimate.

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

    Nano Banana 2 (Gemini 3.1 Flash Image Preview) has a 131K-token context window — roughly 197 pages of text. Prompt, attachments, conversation and the model's own output all share that budget, and every token you send is billed at the input rate.

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