free-ai-api-keys

google/gemini-3-pro-image

Google: Nano Banana Pro (Gemini 3 Pro Image)

Context length
131K
Input / 1M tokens
$2.00
Output / 1M tokens
$12.00
Released
2026-06-18
Modality
text+image->text+image

About Google: Nano Banana Pro (Gemini 3 Pro Image)

Nano Banana Pro is Google’s most advanced image-generation and editing model, built on Gemini 3 Pro. It extends the original Nano Banana with significantly improved multimodal reasoning, real-world grounding, and...

Call Google: Nano Banana Pro (Gemini 3 Pro Image)

Via OpenRouter: one base URL for every provider.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-3-pro-image",
    "messages": [{"role": "user", "content": "Say hello"}]
  }'

Direct on Google Gemini / AI Studio:

curl https://generativelanguage.googleapis.com/v1beta/chat/completions \
  -H "Authorization: Bearer $GEMINI_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "gemini-3-pro-image",
    "messages": [{"role": "user", "content": "Say hello"}]
  }'

Google Gemini / AI Studio keys

OpenRouter keys

OpenRouter keys work for google/gemini-3-pro-image regardless of the upstream provider.