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Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview)
google/gemini-3.1-flash-image-preview
CHAT
Mid tier
ReasoningMultimodal
Proprietary (API-only)
Google: Nano Banana 2 (Gemini 3.1 Flash Image Preview) (google/gemini-3.1-flash-image-preview) is a chat model from openrouter with a 131.1K-token context window; proprietary (API-only); capabilities reasoning, vision; input image, text; output image, text.
131.1KContext
65.5KMax output
$0.5$ / 1M in
Pricing
- Input
- $0.5 / 1M tokens
- Output
- $3 / 1M tokens
- Currency
- USD
- Note
- Indicative US list price — verify with the vendor.
Indicative US list price — a reference only, verify with the vendor. Source: openrouter. Last verified 2026-07-24.
Specifications
- Context window
- 131,072 tokens (131.1K)
- Max output
- 65,536 tokens
- Weights
- Proprietary (API-only)
- Input modalities
- image text
- Output modalities
- image text
- Knowledge cutoff
- 2025-01
- Release date
- 2026-02-26
Capabilities
reasoning vision
Provenance
committedmodels-devopenrouter-api
Last verified: 2026-10-30
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