GPT-3.5 Turbo Instruct vs Nano Banana (Gemini 2.5 Flash 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 Instruct and Nano Banana (Gemini 2.5 Flash Image).
GPT-3.5 Turbo Instruct
This model is a variant of GPT-3.5 Turbo tuned for instructional prompts and omitting chat-related optimizations. Training data: up to Sep 2021.
Nano Banana (Gemini 2.5 Flash Image)
Gemini 2.5 Flash Image, a.k.a. "Nano Banana," is now generally available. It is a state of the art image generation model with contextual understanding. It is capable of image generation,...
Technical Specifications
| Specification | GPT-3.5 Turbo Instruct | Nano Banana (Gemini 2.5 Flash Image) |
|---|---|---|
| Provider | OpenAI | |
| Context Window | 4,095 tokens | 32,768 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 | 2023-09-28 | 2025-10-07 |
API Pricing Comparison
Input Price per Million Tokens
GPT-3.5 Turbo Instruct
$1.50
Nano Banana (Gemini 2.5 Flash Image)
$0.30
Output Price per Million Tokens
GPT-3.5 Turbo Instruct
$2.00
Nano Banana (Gemini 2.5 Flash Image)
$2.50
Want to test both models live?
Run side-by-side prompt prompts in our dynamic Sandbox. Check execution speeds, latency metrics, and compute actual costs in real-time.
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 Instruct Quirks & Gotchas
No developer gotchas reported.
Nano Banana (Gemini 2.5 Flash Image) Quirks & Gotchas
No developer gotchas reported.