Gemini 3.1 Flash Image (Nano Banana 2)

API

Gemini 3.1 Flash Image (Nano Banana 2) is a image model from Google. Provider list price is $0.047 per item; on Allocate you pay $0.05 with the 7% transaction fee. It is a closed model served over API; the weights are not published.

Pricing

Token usage bills at the provider list price plus the 7% transaction fee. Prices checked 2026-07-08.

Price against its peers

Provider list prices per item, Gemini 3.1 Flash Image (Nano Banana 2) against its nearest image peers by price.

What a real workload costs

Generating 1,000 one-megapixel images costs 1,000 × $0.047 = $46.57 at list, or $49.83 billed on Allocate with the 7% transaction fee included.

Gemini 3.1 Flash Image (Nano Banana 2) is served over API. Route traffic to it by name, meter every token, and swap it out in one click when a better fit ships.

Example usage

Point a route at google/flash-image-3.1 and the endpoint never changes; swap the model behind it whenever you want.

curl https://api.allocate.network/v1/chat/completions \
  -H "Authorization: Bearer $ALLOCATE_KEY" \
  -d '{
    "model": "google/flash-image-3.1",
    "messages": [{"role": "user",
      "content": "Summarise the attached contract."}]
  }'

Common questions