GPT-3.5 Turbo (older v0613) vs Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
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 (older v0613) and Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image).
GPT-3.5 Turbo (older v0613)
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 Lite (Gemini 3.1 Flash Lite Image)
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) is Google's fastest, most cost-efficient Gemini image model, built for high-velocity developer pipelines and rapid-fire visual exploration. It delivers text-to-image generation...
Technical Specifications
| Specification | GPT-3.5 Turbo (older v0613) | Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) |
|---|---|---|
| Provider | OpenAI | |
| Context Window | 4,095 tokens | 65,536 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 | 2024-01-25 | 2026-06-30 |
API Pricing Comparison
Input Price per Million Tokens
GPT-3.5 Turbo (older v0613)
$1.00
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
$0.25
Output Price per Million Tokens
GPT-3.5 Turbo (older v0613)
$2.00
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image)
$1.50
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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 (older v0613) Quirks & Gotchas
No developer gotchas reported.
Nano Banana 2 Lite (Gemini 3.1 Flash Lite Image) Quirks & Gotchas
No developer gotchas reported.