GoogleGemini 2.5Oct 7, 2025
Gemini 2.5 Flash Image (Nano Banana)
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. It is capable of image generation, edits, and multi-turn conversations. Aspect ratios can be controlled with the image_config API Parameter
Context Window
1.0M
tokens
Max Output
66K
tokens
Released
Oct 7, 2025
Arena Rank
—
Output Speed
312
tokens/sec
Time to First Token
450ms
TTFT
Capabilities
👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation
Supported Parameters
Max Tokens
Output length limit
Response Format
JSON mode / structured output
Seed
Deterministic outputs
structured_outputs
Temperature
Controls randomness
Top P
Nucleus sampling
Pricing Comparison
| Router | Input / 1M | Output / 1M | Cached Input / 1M |
|---|---|---|---|
| Requesty★ | $0.30 | $30.00 | $0.30 |
| OpenRouter | $0.30 | $2.50 | $0.03 |
| Vercel AI | $0.30 | $2.50 | — |
Benchmarks
Artificial Analysis
Intelligence IndexArtificial Analysis
65/100Coding IndexArtificial Analysis
58/100Math IndexArtificial Analysis
82/100MMLU-PROArtificial Analysis
0.775/1GPQA DiamondArtificial Analysis
0.658/1MATH-500Artificial Analysis
0.928/1AIME 2024Artificial Analysis
0.62/1Humanity's Last ExamArtificial Analysis
0.065/1LiveCodeBenchArtificial Analysis
0.598/1SciCodeArtificial Analysis
0.315/1Model IDs
Requesty
vertex/gemini-2.5-flash-image-previewOpenRouter
google/gemini-2.5-flash-imageTags
visionreasoningtool-callingcachingimage-generation
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