Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Fast and lightVisionGoogle · Released February 2026
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed.
It is part of Google's Gemini and Gemma catalog: Pro tiers lead on capability, Flash tiers on speed and price, Nano Banana covers image generation, and Gemma models are open weight.
Facts and pricing
- Provider
- Context window
- 66K tokens
- Input price
- 6.0 credits / 1M tokens ($0.50 raw)
- Output price
- 36.0 credits / 1M tokens ($3.00 raw)
- Vision (image input)
- Yes
- Tool calling
- No
- Extended reasoning
- No
Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.
Zeplik generates images
Zeplik generates images with Nano Banana 2, the model this page is about. It runs on Zeplik's media surface rather than as a row in the chat model picker, which is why it is not in the list there.
What Nano Banana 2 (Gemini 3.1 Flash Image Preview) is best for
- High-volume everyday tasks where speed and cost matter: summaries, drafts, quick questions
- Working with images: screenshots, charts, photos and scanned documents alongside text
Example prompts
Prompts that suit a fast and light model like Nano Banana 2 (Gemini 3.1 Flash Image Preview):
- Summarize this article in five bullet points
- Rewrite this email to be shorter and friendlier
- Give me ten name ideas for a hiking newsletter
- Translate this paragraph to Spanish and keep the tone
Google family
| Model | Context | Input cr/M | Output cr/M | Released |
|---|---|---|---|---|
| Gemini 4 Argon | 1.0M | 24.0 | 120 | October 2026 |
| Nano Banana 2.1 | 66K | 18.0 | 90.0 | October 2026 |
| Gemini 3.8 Flash | 1.0M | 9.0 | 45.0 | September 2026 |
| Gemini 3.8 Flash (batch) | 1.0M | 4.5 | 22.5 | September 2026 |
| Gemini 3.7 Flash (batch) | 1.0M | 4.5 | 22.5 | August 2026 |
| Gemini 3.7 Flash | 1.0M | 9.0 | 45.0 | August 2026 |
| Gemini 3.6 Flash (batch) | 1.0M | 4.5 | 22.5 | July 2026 |
| Gemini 3.6 Flash | 1.0M | 9.0 | 45.0 | July 2026 |
| Gemini 3.5 Flash Lite (batch) | 1.0M | 1.8 | 15.0 | July 2026 |
| Gemini 3.5 Flash Lite | 1.0M | 3.6 | 30.0 | July 2026 |
Model comparisons
- GPT-6 Luna vs Gemini 3.8 Flash
- GPT-6 Astra vs Gemini 3.1 Pro Preview
- GPT-5.6 Sol vs Gemini 3.1 Pro Preview
- Claude Sonnet 5 vs Gemini 3.1 Pro Preview
Frequently asked questions
- What is Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
- Nano Banana 2 (Gemini 3.1 Flash Image Preview) is an AI model by Google. Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed.
- How much does Nano Banana 2 (Gemini 3.1 Flash Image Preview) cost on Zeplik?
- Input tokens cost 6.0 credits per million and output tokens 36.0 credits per million (1 credit = $0.10; the raw provider rates are $0.50 and $3.00 per million). New accounts start with free credits.
- How long can a conversation with Nano Banana 2 (Gemini 3.1 Flash Image Preview) be?
- Nano Banana 2 (Gemini 3.1 Flash Image Preview) has a 66K-token context window (65,536 tokens), which covers the conversation plus any documents you attach.
- Does Nano Banana 2 (Gemini 3.1 Flash Image Preview) support images and tools?
- Nano Banana 2 (Gemini 3.1 Flash Image Preview) accepts image input and does not support tool calling.
Related models
Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents.
Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's image generation and editing model on the Flash tier, succeeding Nano Banana 2 and Nano Banana Pro.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Gemini 3.8 Flash is Google's most intelligent Flash model with significant gains from 3.7 Flash across software engineering, agentic tasks, and multi-step reasoning.
Gemini 3.7 Flash is a multimodal model from Google for fast agentic workflows, coding, and complex multi-step reasoning.
Gemini 3.7 Flash is a multimodal model from Google for fast agentic workflows, coding, and complex multi-step reasoning.
More you can do with Nano Banana 2 (Gemini 3.1 Flash Image Preview)
- 468 AI skillsReady-to-run expert methods for writing, data, code and more, each running on Nano Banana 2 (Gemini 3.1 Flash Image Preview) or any model you pick.
- 997 integrationsConnect Gmail, Slack, GitHub, Notion and hundreds more so the assistant can work in your apps.
- Simple pricingPlus, Pro and Max plans with a monthly credit allowance that works across every model.