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

gemini-3-pro-image-preview
  • Cloud only
  • Proprietary licence
  • 65,536 context
  • Released 2026-10-06(first seen on LMArena)
0/27axes covered

How to run it

Use it hosted

API model IDgoogle/gemini-3-pro-image-preview
Context length65,536 tokens
Max output32,768 tokens
Acceptsimage, text
Returnsimage, text
Input price$2 per 1M tokens
Cached input price$0.20 per 1M tokens
Output price$12 per 1M tokens

API parameters this endpoint supports

Include reasoningMax tokensReasoningResponse formatSeedStop sequencesStructured outputsTemperatureTop-p

Example request

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-preview","messages":[{"role":"user","content":"Hello"}]}'

View on OpenRouter →

Identifiers, limits and prices are synced from the upstream source shown above. Any field we haven't synced is left out entirely rather than guessed.

No benchmark we track has published a result for this model yet, so there is no score card — only the run guide above. It will appear here once any board we ingest scores it.

How the leaderboards work →