Nano Banana 2.1 - reapi

What is Nano Banana 2.1 - reapi

Nano Banana 2.1 is Google's latest image generation and editing model, generally available since October 6, 2026. It generates and edits images at 1K, 2K, or 4K resolution with sharper text rendering, supports up to 14 reference images and 10 reference videos, and offers optional Google Search grounding. On reAPI, Nano Banana 2.1 is available through a unified pay-as-you-go API at one flat price per image across all resolutions.

How to use Nano Banana 2.1 - reapi

1. Sign up at reAPI and create an API key from the dashboard. The same key works for all models on the platform.
2. Send a POST request to /api/v1/images/generations with your Bearer token.
3. Provide a text prompt (up to 262,144 characters) and optionally include reference images (up to 14 public URLs) and reference videos (up to 10 public URLs, ~14 MB total).
4. Configure optional parameters: aspect ratio (default: auto), resolution (1k, 2k, or 4k), thinking level (minimal, medium, or high; default: medium), and enable Google Search grounding or Google image search grounding.
5. Submit the request asynchronously. You will receive a task ID immediately.
6. Poll GET /api/v1/tasks/{id} every 1-2 seconds until the image URL is ready. Generation typically takes about 35–45 seconds.

Features of Nano Banana 2.1 - reapi

• Image generation and editing at 1K, 2K, or 4K resolution
• One flat price per image regardless of resolution
• Supports up to 14 reference images and 10 reference videos
• Optional Google Search grounding and Google image search grounding
• Thinking levels: minimal, medium (default), and high
• Sharper text rendering and infographic layout
• Fixed tiling artifacts on wide and tall ratios at 2K and 4K
• Improved visual quality and realism
• Multi-character consistency and mask-based editing
• Asynchronous task workflow with polling
• Failed generations are refunded automatically
• No monthly subscription; pay-as-you-go with credits that never expire
• 1 credit equals $0.001 USD

Use Cases of Nano Banana 2.1 - reapi

• Infographics and posters with text
• Product shots and commercial photography
• Consistent character generation across multiple images
• Website banners and wide-format graphics
• Image editing with reference images and videos
• Search-grounded image generation using current web results

Pricing

• Credit-based pricing: 1 credit = $0.001 USD
• One flat price per image: $0.03 (30 credits) for 1K, 2K, and 4K resolutions
• Reference images, grounding, and thinking levels add no extra cost
• Pay only for completed generations; failed generations are refunded automatically
• No monthly subscription required; credits never expire
• New accounts receive a small starter grant to test the model