Gemini 2.5 Pro vs Grok 4.1 Fast
Head to head on 22 shared benchmarks, with price, context window, and release dates.
Benchmark scores
43evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Gemini 2.5 Pro Google (Alphabet Inc.) | 87.7% | 60.8% | 1419elo | 58.8 | 84.4% | 22.5% | 48.7% | 77.9% | 86.7% | 81.0% | 65.9% | 80.1% | 50.6% | 73.6% | 86.2% | 68.9% | 41.9% | 42.8% | 72.9% | 26.5% | 0.4% | 54.1% | - | 83.1% | 88.7% | 50.4% | 45.2% | 15.9% | 14.1% | - | - | - | - | - | - | 96.7% | - | - | 70.0% | - | 55.6 | 53.6% | 53.3% | 59.5% |
| Grok 4.1 Fast xAI | 34.3% | 66.0% | 1324elo | 40.1 | 63.7% | 5.1% | 36.5% | 64.7% | 69.6% | 28.2% | 74.3% | 39.9% | 28.1% | 78.7% | 74.3% | 42.6% | 31.3% | 29.6% | 73.1% | 14.4% | 1.2% | 63.7% | 62.0% | - | - | - | - | - | - | 11.8 | 35.0% | 80.2% | 52.2% | 83.7% | 80.2% | - | 60.8% | 100.0% | - | 4.0% | - | - | - | 51.0% |
2 / 2 models
| Attribute | Gemini 2.5 Pro Google (Alphabet Inc.) | Grok 4.1 Fast xAI |
|---|---|---|
| Description | Gemini 2.5 Pro is an AI model from Google (Alphabet Inc.). | Grok 4.1 Fast is an AI model from xAI. |
| Family | Gemini | Grok |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 5 Jun 2025 | 19 Nov 2025 |
| Context | 1,048,576 | - |
| Input $/1M | $1.25 | - |
| Output $/1M | $10.00 | - |
| Cache read $/1M | $0.125 | - |
| Cache write $/1M | $0.375 | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file, audio, video | text |
| Providers | - | - |
| Publisher | Google (Alphabet Inc.) | xAI |
| Reported scores | Infraresolutionbench80.2% (150 samples) Agent Diff Bench62.0% (179 samples) Medpt100.0% (15 samples) Hanabi11.8 (15 samples) SciCode29.6% (AA) |
FAQ
- Is Gemini 2.5 Pro or Grok 4.1 Fast better?
- Across the 22 benchmarks both models report on Sophon, Gemini 2.5 Pro leads on 16 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do Gemini 2.5 Pro and Grok 4.1 Fast compare on GPQA Diamond?
- Gemini 2.5 Pro scores 84.4% and Grok 4.1 Fast scores 63.7% on GPQA Diamond.
- When were Gemini 2.5 Pro and Grok 4.1 Fast released?
- Gemini 2.5 Pro was released 5 Jun 2025 by Google (Alphabet Inc.). Grok 4.1 Fast was released 19 Nov 2025 by xAI.
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