Nano Banana 2 (Gemini 3.1 Flash Image Preview)

google/gemini-3.1-flash-image-preview-20260226

Google's Nano Banana 2 (Gemini 3.1 Flash Image Preview) is a multimodal model that accepts both image and text inputs and produces image and text outputs. It offers a context length of 131,072 tokens, includes reasoning support, and is priced at $0.5 per million input tokens and $3 per million output tokens. The model was released on 2026‑02‑26, does not provide tool integration, and its weights are not open source.

  • structured outputs
  • reasoning

At a glance

providergoogle
releasedFeb 26, 2026
context131K
input / M$0.50

Specifications

What the API gives you

Context window
131K tokens
Max output
66K tokens
Input price
$0.50 / 1M tokens
Output price
$3 / 1M tokens
Cache read
Modalities
image, text → image, text
Knowledge cutoff
Released
Feb 26, 2026

Recommendation coverage

Where this model appears

Not currently included in a published recommendation. This means the available task-specific evidence did not support a ranking yet—not that the model was reviewed and rejected.

Benchmarks

No independent benchmark results are linked to this model yet. We keep it visible while withholding quality claims until usable results arrive.

Catalog data via OpenRouter and models.dev. Last checked within the past 6 hours.