Gemini Nano Banana 2.1

google/gemini-nano-banana-2.1

A chat model with a 131K-token context window, at $1.575 per million input tokens and $7.875 per million output tokens.

Details

Maker: google
Kind: Chat
Context window: 131,072 tokens
Max output: 32,768 tokens
Input: $1.575 per million tokens
Cached input: $0.1575 per million tokens, 90% off
Cache write: Same as input
Output: $7.875 per million tokens
Capabilities: Reasoning, vision, web search, image generation
Takes: Text, image
Returns: Text, image
Zero data retention: Not on every provider
No training on requests: Yes, on every provider
Released: 2026-10-06

Description

Gemini Nano Banana 2.1 is optimized for image understanding and generation and offers a balance of price and performance.

Call it

curl

curl https://phantom.codes/v1/chat/completions \
  -H "Authorization: Bearer $PHANTOM_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-nano-banana-2.1",
    "messages": [
      {"role": "user", "content": "Hello"}
    ]
  }'

Set PHANTOM_KEY to your key. Any OpenAI client works with the base URL https://phantom.codes/v1.

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