Nano Banana 2 (Gemini 3.1 Flash Image Preview) vs Qwen Plus 0728 (thinking)
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Nano Banana 2 (Gemini 3.1 Flash Image Preview) and Qwen Plus 0728 (thinking).
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
Gemini 3.1 Flash Image Preview, a.k.a. "Nano Banana 2," is Google’s latest state of the art image generation and editing model, delivering Pro-level visual quality at Flash speed. It combines...
Qwen Plus 0728 (thinking)
Qwen Plus 0728, based on the Qwen3 foundation model, is a 1 million context hybrid reasoning model with a balanced performance, speed, and cost combination.
Technical Specifications
| Specification | Nano Banana 2 (Gemini 3.1 Flash Image Preview) | Qwen Plus 0728 (thinking) |
|---|---|---|
| Provider | Alibaba | |
| Context Window | 131,072 tokens | 1,000,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | beta |
| API Available | Yes | Yes |
| Released Date | 2026-02-26 | 2025-09-08 |
API Pricing Comparison
Input Price per Million Tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
$0.50
Qwen Plus 0728 (thinking)
$0.26
Output Price per Million Tokens
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
$3.00
Qwen Plus 0728 (thinking)
$0.78
Want to test both models live?
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) Quirks & Gotchas
No developer gotchas reported.
Qwen Plus 0728 (thinking) Quirks & Gotchas
No developer gotchas reported.