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Nano Banana 2 Preview

google·google/gemini-3.1-flash-image-preview·GA·Closed·gemini-flash series·Image gen
Image model for prompt-driven generation, editing, and visual design workflows

Nano Banana 2 Preview by google is offered by 6 providers on this page. Its reference price is $0.50 per 1M input tokens and $3.00 per 1M output tokens.

The context window is 131,072 tokens at the reference host, but hosts report different limits, from 65,536 to 1,048,576, so the usable window depends on the provider you pick. It supports reasoning and structured output. Accepted input modalities are Text, Image, and PDF. Its training knowledge cuts off at 2025-01.

Specs & pricing

Input / output per 1M tokens
Reference price·Vercel AI Gateway
$0.50 / $3.00
Blended $1.13 · Cache read $0.05
Lowest paid·Kilo GatewayGateway
$0.50 / $3.00
Blended $1.13 · 1× spread
Context
131,072
Output limit
32,768
Knowledge cutoff
2025-01
Released / updated
2026-02-26 / 2026-02-26
Capabilities
✓ ReasoningTool use✓ Structured output✓ Temperature✓ Attachments
Modalities
TextImagePDF

Available at 6 providers6 with public prices

ProviderTierInputOutputCache readCache writeContextOutput limitStatus
Kilo GatewayGateway$0.50$3.00——65,536 ⚠58,982
AbacusGateway$0.50$3.00——1,048,576 ⚠32,768
OpenRouterGateway$0.50$3.00——65,536 ⚠58,982
FastRouterGateway$0.50$3.00——65,536 ⚠65,536
Eden AIGateway$0.50$3.00——65,536 ⚠65,536
Vercel AI GatewayCloud$0.50$3.00$0.05—131,07232,768

Sorted by blended price (input×0.75 + output×0.25) asc. The official channel always shows regardless of rank. Whether a gateway's low price is actually usable can't be verified.

Reasoning control

effort = noneeffort = minimaleffort = highToggle (on / off)effort = loweffort = medium

1 / 6 providers expose no reasoning control (reasoning_options: []).

Your usage cost

1Vercel AI Gateway$196.00
2Kilo Gateway$250.00
3Abacus$250.00
4OpenRouter$250.00
5FastRouter$250.00
6Eden AI$250.00
The cheapest paid channel is the only channel.

Price historyone sample accumulated per data sync

Input listOutput listMin blended
$60.00$02026-08-052026-08-132026-08-05 · Input list $0.502026-08-06 · Input list $0.502026-08-07 · Input list $0.502026-08-08 · Input list $0.502026-08-09 · Input list $0.502026-08-10 · Input list $0.502026-08-11 · Input list $0.502026-08-12 · Input list $0.502026-08-13 · Input list $0.502026-08-05 · Output list $60.002026-08-06 · Output list $60.002026-08-07 · Output list $60.002026-08-08 · Output list $60.002026-08-09 · Output list $60.002026-08-10 · Output list $60.002026-08-11 · Output list $60.002026-08-12 · Output list $60.002026-08-13 · Output list $3.002026-08-05 · Min blended $1.132026-08-06 · Min blended $1.132026-08-07 · Min blended $1.132026-08-08 · Min blended $1.132026-08-09 · Min blended $1.132026-08-10 · Min blended $1.132026-08-11 · Min blended $1.132026-08-12 · Min blended $1.132026-08-13 · Min blended $1.13

Related models

Gemini 3.8 Flashsame series$0.75 / $3.75Gemini 3.8 Flash (EU)same series$0.83 / $4.13Gemini 3.8 Flash (Vertex AI, US)same series$0.75 / $3.75GLM-5.3-Flashcheaper alternative$0.15 / $0.50DeepSeek V4.1 Flashcheaper alternative$0.15 / $0.60DeepSeek V4 Flash 0731cheaper alternative$0.45 / $1.34GPT-5.6 Lunacheaper alternative$0.20 / $1.20
Data partly from models.dev (MIT) · Vercel AI Gateway official docs ↗