Nano Banana 2 (Gemini 3.1 Flash Image)
Google · Reasoning · 131K context · released Jun 18, 2026 · checked 9h ago
Ways to buy 2
| Way to buy | Input | Output | In / out per 1M | Cached | Vs list |
|---|---|---|---|---|---|
| Google Gemini API API The lab's own API | $0.5 | $3 | $0.5 / $3List price | n/a | List price |
 Google Vertex AIglobal | $0.5 | $3 | $0.5 / $3Same as list | n/a | Same as list |
USD per 1M tokens. Regions are separate routes.
Through a gateway
Your own numbers100M input and 20M output tokens a month: $110.00 direct.
Helicone$110.00+0%
Kong AI Gateway$110.00+0%
LiteLLM$110.00+0%
Vercel AI Gateway$110.00+0%
Cloudflare AI Gateway$115.50+5%
Requesty$115.50+5%
Eden AI$116.05+5.5%
OpenRouter$116.05+5.5%
No published token fee: Martian Gateway, Portkey, TrueFoundry AI Gateway.
Related models
| In / out per 1M | Cheapest route | ||||||
|---|---|---|---|---|---|---|---|
| Gemini 3.8 Flash Google · 1MCheapest: $0.75 on Google Gemini API (flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Gemini API (flex) | · |
| Gemini 3.7 Flash Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex) | $0.75 | $3.75 | $0.75 / $3.75100% | $1.5 | 1M | $0.75 on Google Vertex AI (global-flex) | 100% |
| Gemini 3.5 Flash Lite Google · 1MCheapest: $0.425 on Google Vertex AI (global-flex) | $0.3 | $2.5 | $0.3 / $2.5 | $0.85 | 1M | $0.425 on Google Vertex AI (global-flex) | · |
| Gemini 3.6 Flash Google · 1MCheapest: $0.75 on Google Vertex AI (global-flex) | $0.75 | $3.75 | $0.75 / $3.75 | $1.5 | 1M | $0.75 on Google Vertex AI (global-flex) | · |
 Muse Spark 1.3Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
| Muse Spark 1.1 Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
 GLM 5.3Z.ai · 1.31M | $0.563 | $2.5 | $0.563 / $2.5 | $1.05 | 1.31M | on DeepInfra (fp4) | · |
| Muse Spark 1.2 Meta · 1M | $1.25 | $4.25 | $1.25 / $4.25 | $2 | 1M | Lab list price | · |
About Nano Banana 2 (Gemini 3.1 Flash Image)
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.
Takes image, text in and returns image, text. First listed Jun 27, 2026. Up to 33K output tokens. Blended price $1.13 per 1M tokens at 3 input to 1 output. Model id gemini-3-1-flash-image.
Price history
List price since Jun 27, 2026, from Internet Archive snapshots of the OpenRouter catalog, then daily reads.
Across fru.devCompany profile7 acquisitionsPay schedule7 conferences
Questions
How much does Nano Banana 2 (Gemini 3.1 Flash Image) cost?
$0.5 per million input tokens and $3 per million output tokens.
What is the context window of Nano Banana 2 (Gemini 3.1 Flash Image)?
131K tokens, with up to 33K tokens of output.
Where is Nano Banana 2 (Gemini 3.1 Flash Image) cheapest?
Of 2 routes tracked, Google Vertex AI is cheapest at $0.5 input and $3 output per million tokens.
List prices from providers' pages on the date shown; your contract may differ. Logos via logo.dev; trademarks belong to their owners.