Gemini model

Gemini 3.1 Flash Image (Nano Banana 2)

Gemini 3.1 Flash Image (Nano Banana 2) is a Gemini model listed in the NextModel catalog for image understanding, multimodal chat workloads. Its listed price is $0.151 / image, with a — token context window.

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GeminiPlatform curatedCatalog
Image Generation

Price deadline

Gemini Flash prices rise Jan 1, 2027

Per Google's published pricing page, Gemini Flash input prices double on Jan 1, 2027. The same workload runs an order of magnitude cheaper on DeepSeek and GLM. Source: Google pricing Full price breakdown

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Image price$0.151 / image
BillingPer generated image
Context length— tokens
Max output8.2k tokens

What is Gemini 3.1 Flash Image (Nano Banana 2) in NextModel?

Gemini 3.1 Flash Image (Nano Banana 2) is a Gemini model listed in the NextModel catalog for image understanding, multimodal chat workloads. Its listed price is $0.151 / image, with a — token context window.

Gemini 3.1 Flash Image (Nano Banana 2) via NextModel: context unpublished; $0.151 / image in / — out per 1M tokens. Capabilities: streaming, vision.

Best use cases

  • image understanding
  • multimodal chat

OpenAI-compatible code example

request.sh
curl https://api.nextmodel.app/v1/chat/completions \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer $NEXTMODEL_API_KEY" \
  -d '{"model":"gemini/gemini-3.1-flash-image","messages":[{"role":"user","content":"Reply with OK."}]}'

Switching models only changes the model field.

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Compare Gemini 3.1 Flash Image (Nano Banana 2)

Gemini 3.1 Flash Image (Nano Banana 2) vs Gemini 3 Pro Image (Nano Banana Pro) Gemini 3.1 Flash Image (Nano Banana 2) vs Claude Haiku 5.5Gemini 3.1 Flash Image (Nano Banana 2) vs Doubao Seedance 2.5Gemini 3.1 Flash Image (Nano Banana 2) vs Dreamina-Seedance 2.0 FastGemini 3.1 Flash Image (Nano Banana 2) vs Dreamina Seedance 2.5

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FAQ

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