Search/
Skip to content
/
OpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Models
  • Providers
  • Pricing
  • Redeem
  • Enterprise

Company

  • About
  • Announcements
  • CareersHiring
  • Privacy
  • Terms of Service
  • Support
  • State of AI
  • Works With OR

Developer

  • Documentation
  • API Reference
  • SDK
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube

Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)

google/gemini-3.1-flash-image-preview

Released Feb 26, 202665,536 context
$0.50/M input tokens$3/M output tokens$60/M tokens

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 combines advanced contextual understanding with fast, cost-efficient inference, making complex image generation and iterative edits significantly more accessible. Aspect ratios can be controlled with the image_config API Parameter

Recent activity on Nano Banana 2 (Gemini 3.1 Flash Image Preview)

Total usage per day on OpenRouter

Completion
16M
Prompt
12.8M
Reasoning
2.03M

Prompt tokens measure input size. Reasoning tokens show internal thinking before a response. Completion tokens reflect total output length.