GPT-3.5 Turbo vs Nano Banana 2 (Gemini 3.1 Flash Image Preview)
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 GPT-3.5 Turbo and Nano Banana 2 (Gemini 3.1 Flash Image Preview).
GPT-3.5 Turbo
GPT-3.5 Turbo is OpenAI's fastest model. It can understand and generate natural language or code, and is optimized for chat and traditional completion tasks. Training data up to Sep 2021.
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...
Technical Specifications
| Specification | GPT-3.5 Turbo | Nano Banana 2 (Gemini 3.1 Flash Image Preview) |
|---|---|---|
| Provider | OpenAI | |
| Context Window | 16,385 tokens | 131,072 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2023-05-28 | 2026-02-26 |
API Pricing Comparison
Input Price per Million Tokens
GPT-3.5 Turbo
$0.50
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
$0.50
Output Price per Million Tokens
GPT-3.5 Turbo
$1.50
Nano Banana 2 (Gemini 3.1 Flash Image Preview)
$3.00
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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.
GPT-3.5 Turbo Quirks & Gotchas
No developer gotchas reported.
Nano Banana 2 (Gemini 3.1 Flash Image Preview) Quirks & Gotchas
No developer gotchas reported.