Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) vs GPT Image 2: price and capabilities
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image, google/gemini-3.1-flash-lite-image) from Google and GPT Image 2 (openai/gpt-image-2) from OpenAI are both image generation models on the OceanToken API. Nano Banana 2 Lite costs less per token than GPT Image 2: $0.225 against $4.50 per 1M input tokens (95% less), and both charge $27.00 per 1M image tokens. The cost of one image also depends on how many image tokens each model uses for it. Both are 10% off their official price on OceanToken, for every account. Both take text prompts and reference images.
Side by side
| Spec | Nano Banana 2 Lite −10% | GPT Image 2 −10% |
|---|---|---|
| Model | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)google/ | GPT Image 2openai/ |
| Publisher | OpenAI | |
| Kind | Image generation | Image generation |
| Input price | $0.225 / 1M tokens | $4.50 / 1M tokens |
| Output price | $1.35 / 1M tokens | – |
| Image output price | $27.00 / 1M image tokens | $27.00 / 1M image tokens |
| Web search price | $0.014 / search | – |
| Cached input price | – | $1.25 / 1M tokens |
| Discount (vs official, top tier) | −10% | −10% |
| Inputs | text and images | text and images |
| Outputs | image and text | image |
About these prices
Which should you choose?
- Choose Nano Banana 2 Lite to spend less per token: 95% less for input than GPT Image 2, at the same image output price.
- Both take the same inputs: text prompts and reference images.
- Not sure? Call both with the same OceanToken API key and compare them on your own prompts and references; each request is billed per use from one prepaid balance.
Get API Key Nano Banana 2 Lite GPT Image 2
Frequently asked questions
Which is cheaper, Nano Banana 2 Lite or GPT Image 2?
Nano Banana 2 Lite. Nano Banana 2 Lite costs less per token than GPT Image 2: $0.225 against $4.50 per 1M input tokens (95% less), and both charge $27.00 per 1M image tokens. The cost of one image also depends on how many image tokens each model uses for it. Both are 10% off their official price on OceanToken, for every account. The OceanToken console always shows the current price.
Which takes more kinds of input, Nano Banana 2 Lite or GPT Image 2?
Neither: both take text and images.
Can I call both Nano Banana 2 Lite and GPT Image 2 with one API key?
Yes. Both are on the OceanToken API at https://api.oceantoken.ai/v1: one API key and one prepaid balance call either model. Send the model id google/gemini-3.1-flash-lite-image or openai/gpt-image-2.
Models and publishers
Nano Banana 2 Lite · GPT Image 2 · All Google models · All OpenAI models
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