Updated March 25, 2026· Based on independent benchmark data
Google: Gemini 3.1 Pro Preview leads in intelligence with a score of 57.2 vs 48.5.
| Metric | Google: Gemini 3.1 Pro Preview | xAI: Grok 4.20 Multi-Agent Beta |
|---|---|---|
| Intelligence Score | 57.2 | 48.5 |
| Coding Score | 55.5 | 42.2 |
| Math Score | N/A | N/A |
| Speed (tok/s) | 117 tok/s | 124 tok/s |
| Latency (TTFT) | 21.91s | 15.96s |
| Input Price / 1M tokens | $2.00 | $2.00 |
| Output Price / 1M tokens | $12 | $6.00 |
| Context Window | 1.0M |
Google: Gemini 3.1 Pro Preview outperforms xAI: Grok 4.20 Multi-Agent Beta on the Artificial Analysis intelligence index with a score of 57.2 compared to 48.5. For coding tasks, Google: Gemini 3.1 Pro Preview has the edge with a coding score of 55.5 vs 42.2.
Both models deliver similar output speeds: Google: Gemini 3.1 Pro Preview at 117 tok/s and xAI: Grok 4.20 Multi-Agent Beta at 124 tok/s. Time to first token is 15.96s for xAI: Grok 4.20 Multi-Agent Beta vs 21.91s for Google: Gemini 3.1 Pro Preview, which affects perceived responsiveness in interactive applications.
xAI: Grok 4.20 Multi-Agent Beta is more affordable at $2.00/1M input tokens ($6.00/1M output), while Google: Gemini 3.1 Pro Preview costs $2.00/1M input ($12/1M output). For a typical workload of 100 requests per day at 2,000 tokens each, Google: Gemini 3.1 Pro Preview would cost approximately $12.00/month vs $12.00/month for xAI: Grok 4.20 Multi-Agent Beta in input costs alone.
xAI: Grok 4.20 Multi-Agent Beta offers a larger context window at 2M tokens compared to Google: Gemini 3.1 Pro Preview's 1.0M.
Choose Google: Gemini 3.1 Pro Preview when you need higher intelligence (57.2), stronger coding performance (55.5).
Google: Gemini 3.1 Pro Preview scores higher on coding benchmarks (55.5 vs 42.2), making it the better choice for programming tasks.
xAI: Grok 4.20 Multi-Agent Beta is cheaper at $2.00/1M input tokens vs $2.00/1M for Google: Gemini 3.1 Pro Preview.
xAI: Grok 4.20 Multi-Agent Beta is faster, producing output at 124 tok/s compared to Google: Gemini 3.1 Pro Preview's 117 tok/s.
Yes, Google: Gemini 3.1 Pro Preview supports image input. xAI: Grok 4.20 Multi-Agent Beta also supports images.
Benchmark data by Artificial Analysis
Data last synced: March 25, 2026
| 2M |
| Max Output Tokens | 66K | N/A |
| Input Modalities | Audio + File + Image + Text + Video | Text + Image |
| Output Modalities | Text | Text |
| Free Tier | No | No |
xAI: Grok 4.20 Multi-Agent Beta has a larger context window at 2M compared to Google: Gemini 3.1 Pro Preview's 1.0M.
It depends on your priorities. Google: Gemini 3.1 Pro Preview scores higher on intelligence (57.2), but xAI: Grok 4.20 Multi-Agent Beta may be better for specific use cases like budget-conscious projects or speed-critical applications.