Side-by-side comparison
o1-pro vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Google
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
👁 Vision
{} JSON
Input / 1M
$0.5000
Output / 1M
$3.0000
| o1-pro | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | |
|---|---|---|
| Provider | OpenAI | |
| Context window Maximum tokens (input + output) the model can process in a single request. Glossary → | 200,000 | 65,536 |
| Capabilities Optional capabilities the model advertises: vision (images), tools (function calling), json_mode (structured output). | vision, json_mode | vision, json_mode |
| Input $ / 1M tokens Cost for tokens you send (prompt + context). Cheaper side highlighted. Glossary → | 150.0000 | 0.5000 |
| Output $ / 1M tokens Cost for tokens the model generates. Output is normally 3–5× pricier than input. Glossary → | 600.0000 | 3.0000 |
Frequently asked questions
Which is cheaper, o1-pro or Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
Nano Banana 2 (Gemini 3.1 Flash Image Preview) is cheaper than o1-pro on a 50/50 input/output blend by about $373.25 per 1M tokens. Exact savings depend on your input-vs-output ratio — use the cost calculator on this page for a workload-specific estimate.
Which has a larger context window, o1-pro or Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
o1-pro has the larger context window at 200k tokens versus 66k tokens for Nano Banana 2 (Gemini 3.1 Flash Image Preview). That means o1-pro can ingest about 3.1x as much text per request.
What is the difference between o1-pro and Nano Banana 2 (Gemini 3.1 Flash Image Preview)?
o1-pro comes from OpenAI; Nano Banana 2 (Gemini 3.1 Flash Image Preview) comes from Google. They differ in pricing, context window, and supported capabilities — see the side-by-side table on this page for the exact figures, refreshed nightly.