Side by side
Nano Banana 2 (Gemini 3.1 Flash Image) vs Gemini 3.7 Flash (batch)
Source: OpenRouter (live)
Live figures
The numbers
Best value in each row is highlighted. “Not declared” means the provider does not advertise the feature on its listing.
| Attribute | ||
|---|---|---|
| Input priceUSD per 1M tokens | $0.50 | $0.38 (best) |
| Output priceUSD per 1M tokens | $3.00 | $1.88 (best) |
| Blended price75% in / 25% out | $1.13 | $0.75 (best) |
| Vs. market median | 1.4× dearer | 6% cheaper |
| Value rankcheapest = 1 | #244 | #198 (best) |
| Context windowtokens | 131K | 1.0M (best) |
| Max outputtokens | 33K | 66K (best) |
| Input modalities | image, text | text, image, video, file, audio |
| Output modalities | image, text | text |
| Tool calling | Not declared | Declared |
| Reasoning | Declared | Declared |
| Structured output | Declared | Declared |
| Listed on OpenRouter | 2026-06-18 | 2026-08-13 (best) |
Blended price assumes a 3:1 input-to-output token mix. Median is across all 417 priced models.
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What the numbers say
- Google: Gemini 3.7 Flash (batch) is the cheapest here at $0.75/M blended — 1.5× less than Google: Nano Banana 2 (Gemini 3.1 Flash Image).
- Google: Gemini 3.7 Flash (batch) offers the largest context window (1.0M tokens) versus 131K for Google: Nano Banana 2 (Gemini 3.1 Flash Image).
- Tool calling is declared for Google: Gemini 3.7 Flash (batch) only.
Models
Model pages
Full pricing history, capabilities and alternatives for each model in this comparison.
$1.13
/M blended
$0.750
/M blended
More comparisons
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