Updated March 26, 2026· Based on independent benchmark data
Both Google: Nano Banana Pro (Gemini 3 Pro Image) and GPT-5.3 Codex (xhigh) are competitive AI models. See the detailed comparison below to find which best fits your needs.
| Metric | Google: Nano Banana Pro (Gemini 3 Pro Image) | GPT-5.3 Codex (xhigh) |
|---|---|---|
| Intelligence Score | N/A | 54.0 |
| Coding Score | N/A | 53.1 |
| Math Score | N/A | N/A |
| Speed (tok/s) | N/A | 72 tok/s |
| Latency (TTFT) | N/A | 83.91s |
| Input Price / 1M tokens | $2.00 | $1.75 |
| Output Price / 1M tokens | $12 | $14 |
| Context Window | 66K | N/A |
| Max Output Tokens | 33K | N/A |
| Input Modalities | Image + Text | Text |
| Output Modalities |
GPT-5.3 Codex (xhigh) is more affordable at $1.75/1M input tokens ($14/1M output), while Google: Nano Banana Pro (Gemini 3 Pro Image) costs $2.00/1M input ($12/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Google: Nano Banana Pro (Gemini 3 Pro Image) would cost approximately $12.00/month vs $10.50/month for GPT-5.3 Codex (xhigh) in input costs alone.
GPT-5.3 Codex (xhigh) is cheaper at $1.75/1M input tokens vs $2.00/1M for Google: Nano Banana Pro (Gemini 3 Pro Image).
Yes, Google: Nano Banana Pro (Gemini 3 Pro Image) supports image input. GPT-5.3 Codex (xhigh) does not support image input.
Data last synced: March 26, 2026
| Image + Text |
| Text |
| Free Tier | No | No |