OpenAI: GPT-4 Turbo Preview vs Google: Nano Banana Pro (Gemini 3 Pro Image Preview): Which AI Model Is Better?
Updated March 24, 2026· Based on independent benchmark data
Quick Verdict
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is 5.0x cheaper at $2.00/1M tokens vs $10/1M.
Head-to-Head Comparison
| Metric | OpenAI: GPT-4 Turbo Preview | Google: Nano Banana Pro (Gemini 3 Pro Image Preview) |
|---|---|---|
| Intelligence Score | N/A | 48.4 |
| Coding Score | N/A | 46.5 |
| Math Score | N/A | 95.7 |
| Speed (tok/s) | N/A | 119 tok/s |
| Latency (TTFT) | N/A | 21.66s |
| Input Price / 1M tokens | $10 | $2.00 |
| Output Price / 1M tokens | $30 | $12 |
| Context Window | 128K | 66K |
| Max Output Tokens | 4K | 33K |
| Input Modalities | Text | Image + Text |
| Output Modalities | Text | Image + Text |
| Free Tier | No | No |
Detailed Analysis
Pricing
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is more affordable at $2.00/1M input tokens ($12/1M output), while OpenAI: GPT-4 Turbo Preview costs $10/1M input ($30/1M output). That makes OpenAI: GPT-4 Turbo Preview 5.0x more expensive per token, which can add up significantly at scale. For a typical workload of 100 requests per day at 2,000 tokens each, OpenAI: GPT-4 Turbo Preview would cost approximately $60.00/month vs $12.00/month for Google: Nano Banana Pro (Gemini 3 Pro Image Preview) in input costs alone.
Context Window
OpenAI: GPT-4 Turbo Preview offers a larger context window at 128K tokens compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 66K. For output length, Google: Nano Banana Pro (Gemini 3 Pro Image Preview) can generate up to 33K tokens per response vs 4K for OpenAI: GPT-4 Turbo Preview.
Best Use Cases
Choose Google: Nano Banana Pro (Gemini 3 Pro Image Preview) when you need lower cost.
Choose OpenAI: GPT-4 Turbo Preview if:
- ✓You need a larger context window (128K vs 66K)
Choose Google: Nano Banana Pro (Gemini 3 Pro Image Preview) if:
- ✓Budget is a concern ($2.00/1M vs $10/1M)
- ✓You need image understanding (Supports image input)
Frequently Asked Questions
Which is cheaper, OpenAI: GPT-4 Turbo Preview or Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is cheaper at $2.00/1M input tokens vs $10/1M for OpenAI: GPT-4 Turbo Preview.
Can OpenAI: GPT-4 Turbo Preview process images?
No, OpenAI: GPT-4 Turbo Preview does not support image input. However, Google: Nano Banana Pro (Gemini 3 Pro Image Preview) does support images.
Which has a larger context window, OpenAI: GPT-4 Turbo Preview or Google: Nano Banana Pro (Gemini 3 Pro Image Preview)?
OpenAI: GPT-4 Turbo Preview has a larger context window at 128K compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 66K.
Related Comparisons
Benchmark data by Artificial Analysis
Data last synced: March 24, 2026