AI model reference · 2026
Nano Banana (Gemini 2.5 Flash Image)
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding.
- Context window
- 32,768 tokens
- Maximum output
- 8,192 tokens
- Base provider API input
- Not applicable
- Mixed or non-text output pricing is not represented as a token rate
- Published evidence
- 1 benchmark, 0 Arena results
Overview
About Nano Banana (Gemini 2.5 Flash Image)
A concise catalog overview. Technical limits and published evaluation evidence are listed separately below.
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding.
Published evaluations
Benchmark results
Only results mapped to this exact model and backed by a named source appear here. Different evaluation protocols are not treated as interchangeable.
| Benchmark | Score | Evaluation details | Source |
|---|---|---|---|
| LMArena Text-to-ImageHuman preference rankings for image generation models based on blind comparisons | 1,155 | Elo ScoreThe published protocol is not fully disclosed.Methodology | lmarena.aiLegacy leaderboard |
Human preference
Arena results
Arena scores come from blind human preference votes. They are reported separately from task benchmarks and are not used as substitutes for missing benchmark results.
No exact Arena match is available for this model. Similar names and provider variants are not merged automatically.
Technical reference
Specifications and API facts
Technical limits and reference provider prices come from the current catalog unless a reviewed external source is listed. Missing values stay marked as unavailable.
- Provider
- Release date
- Not available in reviewed sources
- Catalog added
- Oct 7, 2025
- Context window
- 32,768 tokens
- Maximum output
- 8,192 tokens
- Knowledge cutoff
- 2025-01-31
- License
- Not available in reviewed sources
- Input types
- Image, Text
- Output types
- Image, Text
- Reasoning
- Not supported
- Provider endpoint tool parameters
- Not advertised by provider endpoint
- Token pricing
- Not applicable to this model’s output type
These are reference provider API rates, not Writingmate checkout charges. Access in Writingmate follows the allowances of your Writingmate plan.
Provenance
Sources and update status
Source links are attached to the facts and evaluations they support. Catalog-only values are not presented as independently verified claims.
Evidence last updated Dec 28, 2025.
Catalog record updated Oct 7, 2025.
Catalog-added dates describe when a model entered the catalog, not necessarily its public release date.
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