Google: Nano Banana 2 (Gemini 3.1 Flash Image)
Google
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image
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~1293 tokens per image
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2.7
from 70 users of this category
Google: Nano Banana 2 (Gemini 3.1 Flash Image) is an image generation model built by Google. Routed through external models — ~1,293 tokens per image (50% markup over upstream cost).
Use via API
OpenAI-compatible REST API. Generate a key and call this model in seconds.
curl -X POST https://api.free.ai/v1/image/generate/ \
-H "Authorization: Bearer sk-free-..." \
-H "Content-Type: application/json" \
-d '{"model":"google/gemini-3.1-flash-image","prompt":"your prompt here"}'Similar models
Frequently Asked Questions
Google: Nano Banana 2 (Gemini 3.1 Flash Image) is an image generation model built by Google. Routed through external models — ~1,293 tokens per image (50% markup over upstream cost).
Google: Nano Banana 2 (Gemini 3.1 Flash Image) works well for general-purpose image generation, illustration, and product visuals. Try the sample prompts above to see its strengths.
About 5,000 tokens per image, shown live before you generate. A free Free.ai account includes a 30,000-token daily pool, so most users can try Google: Nano Banana 2 (Gemini 3.1 Flash Image) without spending anything; beyond it, token top-ups start at $1.
It depends on the prompt. Free.ai lets you compare Google: Nano Banana 2 (Gemini 3.1 Flash Image) side-by-side with any other model at /image/compare/ - pick a sibling from the alternatives list to see how they differ on the same input.
Yes. Free.ai does not add watermarks and the outputs are yours to use commercially. See /models/google-gemini-3-1-flash-image/ for the full breakdown.
On Free.ai, Google: Nano Banana 2 (Gemini 3.1 Flash Image) supports 1:1 (square), 16:9 (landscape), 9:16 (portrait), 4:3, and 3:4. Pick the ratio in the form above before generating.
Most images come back in 5-25 seconds depending on the model and current GPU load. The result appears inline; signed-in users can also Add to queue to close the tab and get notified when it lands.
Yes - pick 1, 2, or 4 in the count field. Each image deducts about 5,000 tokens. For larger batches use /image/generate/ which fans out the same prompt across multiple models in parallel.
Free.ai does not train models on your prompts. Self-hosted models stay on our GPUs. Premium models route to the upstream provider for inference. Either way we never resell your data.
Yes. POST to /v1/image/generate/ with model="google/gemini-3.1-flash-image" and include your Bearer token. Full reference: /api/.
Google: Nano Banana 2 (Gemini 3.1 Flash Image) is a premium model served by an external provider, so self-hosting is not available. Free.ai exposes it with token-based pricing instead.
Free accounts get a 30,000-token daily pool. When that runs out, token top-ups start at $1, pay-as-you-go - no subscription required.