Nano Banana 2 (Gemini 3.1 Flash Image)
gemini-3.1-flash-imageGoogle's fast native image generation and editing model. Output price is per 1M image tokens. Built by Google.
Prices updated
Input price
$0.50
per 1M tokens · Standard
Output price
$3.00
per 1M tokens · Standard
Input limit
131K
tokens
Output limit
33K
tokens
Input formats
Output formats
Nano Banana 2 (Gemini 3.1 Flash Image) price history
2 price records since 9/25/2026
Nano Banana 2 (Gemini 3.1 Flash Image) cost calculator
$25/month
Standard pricing
Overview
What is Nano Banana 2 (Gemini 3.1 Flash Image)?
Nano Banana 2 (Gemini 3.1 Flash Image) is a vision model from Google. Google's fast native image generation and editing model. Output price is per 1M image tokens. Its 131K context window and $0.50 input price make it a candidate for quality-focused production applications.
Rates
Nano Banana 2 (Gemini 3.1 Flash Image) pricing
Pricing is based on token usage. Provider-specific caching, batch, regional, and tool charges may affect the final cost.
Input · Standard
$0.50
Per 1M tokens
Cached input · Standard
Not available
No listed cached-input rate
Capabilities
Nano Banana 2 (Gemini 3.1 Flash Image) Tools
Tools available when using Nano Banana 2 (Gemini 3.1 Flash Image) through supported provider APIs.
Function calling
Not supported
Structured outputs
Supported
JSON mode
Supported
Reasoning
Supported
Built-in web search
Not supported
Log probabilities
Not supported
Deterministic seed
Supported
Parallel tool calls
Not supported
Prompt caching
Not supported
Strengths and limitations
Strengths
- Measured results (quality score 78 · Arena Elo 1189 · MMLU-Pro 71.8%) position it for demanding production work.
- A 131K context window covers most focused application workflows.
- Supports vision workloads in one model.
Limitations
- Generated tokens cost 6× more than input tokens, which matters for verbose responses.
- The 131K context window is smaller than several long-context alternatives.
- Arena Elo and MMLU-Pro are directional; test accuracy, latency and reliability on your own workload before committing.
Arena Elo, MMLU-Pro and pricing figures are illustrative; validate current vendor terms before purchase.
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