Side by side
Nano Banana 2.1 vs GPT-3.5 Turbo 16k
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 | $1.50 (best) | $3.00 |
| Output priceUSD per 1M tokens | $7.50 | $4.00 (best) |
| Blended price75% in / 25% out | $3.00 (best) | $3.25 |
| Vs. market median | 3.3× dearer | 3.6× dearer |
| Value rankcheapest = 1 | #312 (best) | #327 |
| Context windowtokens | 66K (best) | 16K |
| Max outputtokens | 59K (best) | 4K |
| Input modalities | image, text | text |
| Output modalities | image, text | text |
| Tool calling | Declared | Declared |
| Reasoning | Declared | Not declared |
| Structured output | Declared | Declared |
| Listed on OpenRouter | 2026-10-06 (best) | 2023-08-28 |
Blended price assumes a 3:1 input-to-output token mix. Median is across all 429 priced models.
Add or swap modelsCost calculator
At your volume
Estimate the monthly bill for these models at your own token volumes.
| Model | Input | Output | Monthly | Yearly | vs cheapest | |
|---|---|---|---|---|---|---|
| Google: Nano Banana 2.1 Google · $1.50 in / $7.50 out per M | $75 | $113 | $188 | $2,250 | Cheapest | |
| OpenAI: GPT-3.5 Turbo 16k OpenAI · $3.00 in / $4.00 out per M | $150 | $60 | $210 | $2,520 | +$23 (1.1×) |
Estimates use list prices per million tokens from live provider listings. Cached-input, batch and volume discounts are not included, so real bills are often lower.
Read-out
What the numbers say
- Google: Nano Banana 2.1 is the cheapest here at $3.00/M blended; OpenAI: GPT-3.5 Turbo 16k costs 8% more.
- Google: Nano Banana 2.1 offers the largest context window (66K tokens) versus 16K for OpenAI: GPT-3.5 Turbo 16k.
- Reasoning mode is declared for Google: Nano Banana 2.1 only.
Models
Model pages
Full pricing history, capabilities and alternatives for each model in this comparison.
Google
$3.00
/M blended
$3.25
/M blended
More comparisons
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The two models most production apps actually run. How the price gap compares to the capability gap.
- Gemini vs GPT-5: Google's flagship against OpenAI's
Gemini's very long context and multimodal input against GPT-5's ecosystem and pricing.
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