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Nano Banana 2 (Gemini 3.1 Flash Image) pricing & benchmarks

Nano Banana 2 (Gemini 3.1 Flash Image) is available from Google at $0.500 per million input tokens and $3.00 per million output tokens ($1.13 blended at 3:1). It accepts up to 131,072 tokens of context. Gemini 3.1 Flash Image, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines advanced...

Pricing
Per million tokens · OpenRouter
Input$0.500
Output$3.00
Blended (3:1)$1.13
Specification
google/gemini-3.1-flash-image
Context window131K
Max output33K
ReleasedJun 2026
LicenceProprietary
Modalitiesin:text, in:image, out:text, out:image
No independently-run benchmark scores are published for Nano Banana 2 (Gemini 3.1 Flash Image) yet. We show nothing rather than reprinting an unverified figure.
Where to run Nano Banana 2 (Gemini 3.1 Flash Image)
2 hosts · all priced within ~5% of each other. Blended at 3:1. ⚠ marks an option serving less context than the best available, or re-pricing above a prompt-length threshold. Bracketed labels are the provider's own service tier or region.
HostBlended $/1MIn / OutContextUptime 24h
Google (global) $1.13 $0.500 / $3.00 131K 99.8%
Google AI Studio
⚠ 66K context, not 131K
 $1.13 $0.500 / $3.00 66K 99.4%
Host prices and uptime from OpenRouter, synced 2026-08-08.
Compare Nano Banana 2 (Gemini 3.1 Flash Image)
Nano Banana 2 (Gemini 3.1 Flash Image) vs Qwen3.8 Max Nano Banana 2 (Gemini 3.1 Flash Image) vs DeepSeek V4 Flash 0731 Nano Banana 2 (Gemini 3.1 Flash Image) vs Claude Opus 5 Nano Banana 2 (Gemini 3.1 Flash Image) vs Kimi K3 Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT-5.6 Luna Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT-5.6 Terra Nano Banana 2 (Gemini 3.1 Flash Image) vs GPT-5.6 Sol Nano Banana 2 (Gemini 3.1 Flash Image) vs Grok 4.5
FAQ
How much does Nano Banana 2 (Gemini 3.1 Flash Image) cost?
Nano Banana 2 (Gemini 3.1 Flash Image) costs $0.500 per million input tokens and $3.00 per million output tokens on OpenRouter. At a 3:1 input:output mix that blends to $1.13 per million tokens.
What is Nano Banana 2 (Gemini 3.1 Flash Image)'s context window?
Nano Banana 2 (Gemini 3.1 Flash Image) accepts up to 131,072 tokens of context, and can generate up to 32,768 output tokens.