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by Google DeepMind

Google: Nano Banana Pro (Gemini 3 Pro Image Preview).

multimodal closed 66K ctx
Cheapest input
$2.0/M
on OpenRouter
Cheapest output
$12.0/M
on OpenRouter
Fastest
70 tok/s
on OpenRouter
Hosted equiv.
~$4.32/hr
@ 100 tok/s on OpenRouter

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...

Hosted API only

No self-host path — closed weights.

Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s weights aren't published. Use it via the access providers below.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
OpenRouter api aggregator $2.0 $12.0 Launch ↗
Performance

Speed across providers.

Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.

Provider Tokens/sec TTFT Total
OpenRouter 69.6 — 7139 ms
FAQ

Frequently asked.

How do I run Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is a closed-source API model. The cheapest way to access it is through the API providers listed on this page (direct API, aggregators, and hosted chat UIs).
Where can I access Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is available via OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
API pricing starts at $2.0/M input tokens and $12.0/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is Google: Nano Banana Pro (Gemini 3 Pro Image Preview) open-source or proprietary?
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is a proprietary model from Google DeepMind. Access is API-only — there are no public weights to download.