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% | 1421elo | 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% | 46.3% | 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% | 59.6% |
| Grok 4.1 Fast xAI | 89.3% | 66.0% | 1327elo | 40.1 | 85.3% | 19.3% | 52.7% | 64.7% | 69.6% | 28.2% | 74.3% | 82.2% | 28.1% | 78.7% | 85.4% | 42.6% | 31.3% | 44.2% | 73.1% | 24.2% | 1.2% | 93.3% | 62.0% | - | - | - | - | - | - | 11.8 | 35.0% | 80.2% | 52.2% | 83.7% | 80.2% | - | 60.8% | 100.0% | - | 4.0% | - | - | - | 58.3% |
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) SciCode44.2% (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 12 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 85.3% 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.
Other head-to-heads
56GPT-5.2 vs Grok 4.1 Fast30 shared evalsClaude Opus 4.5 vs Grok 4.1 Fast29 shared evalsClaude Sonnet 4.5 vs Grok 4.1 Fast28 shared evalsClaude Sonnet 4.5 vs Gemini 2.5 Pro26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsGPT-5 Mini vs Grok 4.1 Fast26 shared evalsDeepSeek V3.2 vs Grok 4.1 Fast26 shared evalsGPT-5.5 vs Grok 4.1 Fast25 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsClaude 4 Sonnet vs Gemini 2.5 Pro25 shared evalsClaude Opus 4.6 vs Grok 4.1 Fast25 shared evalsGPT-5.4 vs Grok 4.1 Fast25 shared evalsGemini 2.5 Pro vs GPT-524 shared evalsGemini 2.5 Pro vs GPT-5 Nano24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsGemini 2.5 Pro vs GPT-5.224 shared evalsClaude Opus 4.8 vs Grok 4.1 Fast24 shared evalsClaude Opus 4.5 vs Gemini 2.5 Pro24 shared evalsClaude 4 Sonnet vs Grok 4.1 Fast24 shared evalsGrok 4.1 Fast vs Kimi K2.524 shared evalsClaude Opus 4.7 vs Grok 4.1 Fast24 shared evalsGLM 4.7 vs Grok 4.1 Fast24 shared evalsClaude Fable 5 vs Grok 4.1 Fast23 shared evalsGLM 5.1 vs Grok 4.1 Fast23 shared evalsGemini 2.5 Pro vs GPT-5.522 shared evalsClaude Sonnet 4.6 vs Grok 4.1 Fast22 shared evalsGemini 2.5 Pro vs GPT-4o22 shared evalsGPT-5.4 Mini vs Grok 4.1 Fast22 shared evalsClaude Opus 4.6 vs Gemini 2.5 Pro21 shared evalsGemini 2.5 Pro vs Kimi K2.521 shared evalsDeepSeek V3.2 vs Gemini 2.5 Pro21 shared evalsGrok 4.1 Fast vs Qwen3.6 Plus21 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsGemini 2.5 Pro vs Gemini 3.1 Pro Preview20 shared evalsClaude Opus 4.8 vs Gemini 2.5 Pro20 shared evalsGemini 2.5 Pro vs GPT-5.420 shared evalsClaude Opus 4.7 vs Gemini 2.5 Pro20 shared evalsGemini 2.5 Pro vs GLM 4.720 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsGemini 2.5 Pro vs GPT-4.1 Mini19 shared evalsClaude Fable 5 vs Gemini 2.5 Pro19 shared evalsGemini 2.5 Pro vs GPT-4.119 shared evalsGemini 2.5 Pro vs GPT-4o-mini19 shared evalsClaude Sonnet 4.6 vs Gemini 2.5 Pro19 shared evalsGemini 2.5 Pro vs GLM 5.119 shared evalsGemini 2.5 Pro vs gpt-oss-120b19 shared evalsGemini 2.5 Pro vs GPT-4.1 Nano18 shared evalsGemini 2.5 Pro vs Qwen3.6 Plus18 shared evalsGemini 2.5 Pro vs GPT-5.4 Mini18 shared evalsGPT-4o vs Grok 4.1 Fast16 shared evalsGPT-4o-mini vs Grok 4.1 Fast15 shared evalsGPT-4.1 Mini vs Grok 4.1 Fast14 shared evalsGPT-4.1 Nano vs Grok 4.1 Fast14 shared evalsGPT-4.1 vs Grok 4.1 Fast13 shared evalsGemini 2.5 Pro vs GPT-6 Astra10 shared evalsGPT-6 Astra vs Grok 4.1 Fast10 shared evals
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