Updated March 26, 2026· Based on independent benchmark data
Both Google: Nano Banana Pro (Gemini 3 Pro Image) and Gemini 3.1 Pro Preview are competitive AI models. See the detailed comparison below to find which best fits your needs.
| Metric | Google: Nano Banana Pro (Gemini 3 Pro Image) | Gemini 3.1 Pro Preview |
|---|---|---|
| Intelligence Score | N/A | 57.2 |
| Coding Score | N/A | 55.5 |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | 113 tok/s |
| Latency (TTFT) | N/A | 23.84s |
| Input Price / 1M tokens | $2.00 | $2.00 |
| Output Price / 1M tokens | $12 | $12 |
| Context Window | 66K | 1.0M |
| Max Output Tokens | 33K | N/A |
| Input Modalities | Image + Text | Audio + File + Image + Text + Video |
| Output Modalities |
Gemini 3.1 Pro Preview is more affordable at $2.00/1M input tokens ($12/1M output), while Google: Nano Banana Pro (Gemini 3 Pro Image) costs $2.00/1M input ($12/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Google: Nano Banana Pro (Gemini 3 Pro Image) would cost approximately $12.00/month vs $12.00/month for Gemini 3.1 Pro Preview in input costs alone.
Gemini 3.1 Pro Preview offers a larger context window at 1.0M tokens compared to Google: Nano Banana Pro (Gemini 3 Pro Image)'s 66K. This means Gemini 3.1 Pro Preview can process roughly 524 pages of text in a single request vs 33 pages for Google: Nano Banana Pro (Gemini 3 Pro Image).
Choose Gemini 3.1 Pro Preview when you need larger context window (1.0M).
Gemini 3.1 Pro Preview is cheaper at $2.00/1M input tokens vs $2.00/1M for Google: Nano Banana Pro (Gemini 3 Pro Image).
Yes, Google: Nano Banana Pro (Gemini 3 Pro Image) supports image input. Gemini 3.1 Pro Preview also supports images.
Gemini 3.1 Pro Preview has a larger context window at 1.0M compared to Google: Nano Banana Pro (Gemini 3 Pro Image)'s 66K.
Data last synced: March 26, 2026
| Image + Text |
| Text |
| Free Tier | No | No |