Updated March 25, 2026· Based on independent benchmark data
xAI: Grok 4 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) are virtually tied on intelligence (48.5 vs 48.4).
| Metric | xAI: Grok 4 | Google: Nano Banana Pro (Gemini 3 Pro Image Preview) |
|---|---|---|
| Intelligence Score | 48.5 | 48.4 |
| Coding Score | 42.2 | 46.5 |
| Math Score | N/A | 95.7 |
| Speed (tok/s) | 124 tok/s | 119 tok/s |
| Latency (TTFT) | 15.96s | 21.66s |
| Input Price / 1M tokens | $3.00 | $2.00 |
| Output Price / 1M tokens | $15 | $12 |
| Context Window | 256K |
xAI: Grok 4 and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) perform similarly on overall intelligence, scoring 48.5 and 48.4 respectively. For coding tasks, Google: Nano Banana Pro (Gemini 3 Pro Image Preview) has the edge with a coding score of 46.5 vs 42.2.
Both models deliver similar output speeds: xAI: Grok 4 at 124 tok/s and Google: Nano Banana Pro (Gemini 3 Pro Image Preview) at 119 tok/s. Time to first token is 15.96s for xAI: Grok 4 vs 21.66s for Google: Nano Banana Pro (Gemini 3 Pro Image Preview), which affects perceived responsiveness in interactive applications.
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is more affordable at $2.00/1M input tokens ($12/1M output), while xAI: Grok 4 costs $3.00/1M input ($15/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, xAI: Grok 4 would cost approximately $18.00/month vs $12.00/month for Google: Nano Banana Pro (Gemini 3 Pro Image Preview) in input costs alone.
xAI: Grok 4 offers a larger context window at 256K tokens compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 66K. This means xAI: Grok 4 can process roughly 128 pages of text in a single request vs 33 pages for Google: Nano Banana Pro (Gemini 3 Pro Image Preview).
Choose xAI: Grok 4 when you need larger context window (256K). Choose Google: Nano Banana Pro (Gemini 3 Pro Image Preview) when you need stronger coding performance (46.5).
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) scores higher on coding benchmarks (46.5 vs 42.2), making it the better choice for programming tasks.
Google: Nano Banana Pro (Gemini 3 Pro Image Preview) is cheaper at $2.00/1M input tokens vs $3.00/1M for xAI: Grok 4.
xAI: Grok 4 is faster, producing output at 124 tok/s compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 119 tok/s.
Yes, xAI: Grok 4 supports image input. Google: Nano Banana Pro (Gemini 3 Pro Image Preview) also supports images.
Benchmark data by Artificial Analysis
Data last synced: March 25, 2026
| 66K |
| Max Output Tokens | N/A | 33K |
| Input Modalities | Image + Text | Image + Text |
| Output Modalities | Text | Image + Text |
| Free Tier | No | No |
xAI: Grok 4 has a larger context window at 256K compared to Google: Nano Banana Pro (Gemini 3 Pro Image Preview)'s 66K.
Both models perform similarly on intelligence benchmarks. Choose based on specific needs: pricing, speed, context window, or provider ecosystem.