SIDE BY SIDE
Nano Banana 2 (Gemini 3.1 Flash Image) vs Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
Both are Gemini models. Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) was added to OpenRouter on 2026-06-30, Nano Banana 2 (Gemini 3.1 Flash Image) on 2026-06-18.
| Field | Nano Banana 2 (Gemini 3.1 Flash Image) | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) |
|---|---|---|
| Provider | ||
| Family | Gemini | Gemini |
| Province | The Tidal Isles | The Tidal Isles |
| Context window | 131K tokens | 66K tokens |
| Maximum output | 33K tokens | 59K tokens |
| Input / 1M tokens | $0.500 | $0.250 |
| Output / 1M tokens | $3.00 | $1.50 |
| Accepts | text, images | text, images |
| Produces | text, images | text, images |
| Reasoning | Yes | Yes |
| Tool use | No | No |
| Added to OpenRouter | 2026-06-18 | 2026-06-30 |
| Model ID | google/gemini-3.1-flash-image | google/gemini-3.1-flash-lite-image |
Questions and answers
Which is cheaper, Nano Banana 2 (Gemini 3.1 Flash Image) or Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)?
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) costs less for both input ($0.250 vs $0.500) and output ($1.50 vs $3.00) per million tokens. On input, Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is 50% cheaper.
Which has the larger context window?
Nano Banana 2 (Gemini 3.1 Flash Image): 131K tokens against 66K for Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) (2× as long).
What can one do that the other cannot?
Nothing among reasoning, tool use and image input: both support reasoning and image input.
Answers are computed from the 2026-10-24 catalog snapshot.
See Nano Banana 2 (Gemini 3.1 Flash Image) in 3DSee Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) in 3D