Nano Banana 2.1 (Gemini Nano Banana 2.1)
google/gemini-nano-banana-2.1Nano Banana 2.1 (Gemini Nano Banana 2.1) is Google's Flash-tier image generation and editing model, succeeding Nano Banana 2 and producing images alongside text through the native Gemini generateContent API. It improves prompt adherence, text rendering, product recontextualization and multi-turn editing consistency, supports extreme aspect ratios and 1K to 4K output, and can ground generation with Google web and image search. Pick Nano Banana Pro instead for the most demanding professional design work.
- Input price
- $1.27
$1.50USD / 1M tokens - Output price
- $6.38
$7.50USD / 1M tokens - Context window
- 65.5K
- Max output
- 32.8K
Try the model
Gemini-native API
This model generates images through the Gemini generateContent API and is not available on Chat Completions or in the Playground. Use the request example below with your SandBase API key.
Model card
Specifications
Pricing
- Input
- $1.27 / 1M tokens
- Output
- $6.38 / 1M tokens
- Cache read
- $1.27 / 1M tokens
Context & modalities
- Context window
- 65,536 tokens
- Max output
- 32,768 tokens
- Input
- Text, image
- Output
- Text
Capabilities
- Chat
- Supported
- Vision
- Supported
- Reasoning
- Supported
- Structured output
- Not supported
- Function calling
- Not supported
- Audio input
- Not supported
Access
- Provider
- Model ID
- google/gemini-nano-banana-2.1
- Execution
- sync
- Base URL
- https://api.sandbase.ai
- API
- Gemini generateContent API
- Endpoint
- /v1beta/models/google/gemini-nano-banana-2.1:generateContent
Start building
Send your first request
Gemini-native endpoint with SandBase API key authentication and usage tracking.
# The quoted heredoc keeps Unicode and shell metacharacters unchanged.
result=$(curl --fail-with-body --silent \
-X POST "https://api.sandbase.ai/v1beta/models/google/gemini-nano-banana-2.1:generateContent" \
-H "Authorization: Bearer $SANDBASE_API_KEY" \
-H "Content-Type: application/json" \
--data-binary @- <<'SANDBASE_JSON'
{
"contents": [
{
"role": "user",
"parts": [
{
"text": "A watercolor illustration of a fox in a snowy forest"
}
]
}
],
"generationConfig": {
"responseModalities": [
"TEXT",
"IMAGE"
]
}
}
SANDBASE_JSON
)
printf '%s\n' "$result"Choose your model
Compare models
| Model | Context | Input / 1M | Output / 1M | Released |
|---|---|---|---|---|
Nano Banana 2.1 (Gemini Nano Banana 2.1)This model Google | 64K | $1.27 | $6.38 | Oct 8, 2026 |
Google | — | Coming soon | Coming soon | Coming soon |
Google | 1M | $1.50 | $7.50 | Sep 2, 2026 |
Google | 1M | $1.50 | $7.50 | Aug 13, 2026 |
Google | 1M | $0.30 | $2.50 | Jul 21, 2026 |
Google | 1M | $0.75 | $3.75 | Jul 21, 2026 |
Questions
FAQ
How do I call Google Nano Banana 2.1 (Gemini Nano Banana 2.1) through SandBase?
Create a SandBase API key, then send requests with the model ID "google/gemini-nano-banana-2.1" to Gemini generateContent API (/v1beta/models/google/gemini-nano-banana-2.1:generateContent) at https://api.sandbase.ai. The request examples on this page show the exact payload.
How much does Google Nano Banana 2.1 (Gemini Nano Banana 2.1) cost?
$1.27 per 1M input tokens and $6.38 per 1M output tokens with the current 15% discount (list price $1.50 / $7.50), billed per request from your SandBase balance.
What is the context window of Google Nano Banana 2.1 (Gemini Nano Banana 2.1)?
65.5K tokens of context, with up to 32.8K output tokens per response.
Which features does Google Nano Banana 2.1 (Gemini Nano Banana 2.1) support?
Google Nano Banana 2.1 (Gemini Nano Banana 2.1) supports vision (image input), reasoning. See Specifications above for the full list.
Do I need a separate Google account?
No. One SandBase API key and balance gives you access to Google Nano Banana 2.1 (Gemini Nano Banana 2.1) and the other models in the catalog; you do not need to sign up with Google separately.