GPT-5 Mini vs Grok 4.1 Fast
Head to head on 26 shared benchmarks, with price, context window, and release dates.
Benchmark scores
71evals · sort by any column, ⤢ to expand fullscreen
| Model | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Grok 4.1 Fast xAI | 89.3% | 66.0% | 1327elo | 40.1 | 85.3% | 19.3% | 52.7% | 64.7% | 69.6% | 52.2% | 28.2% | 74.3% | 83.7% | 80.2% | 82.2% | 28.1% | 78.7% | 85.4% | 42.6% | 4.0% | 31.3% | 44.2% | 73.1% | 24.2% | 1.2% | 93.3% | 62.0% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 11.8 | - | 35.0% | - | 80.2% | - | - | - | 60.8% | 100.0% | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 58.3% |
| GPT-5 Mini OpenAI | 90.7% | 60.2% | 1313elo | 56.2 | 82.8% | 21.5% | 75.4% | 69.1% | 68.2% | 55.2% | 65.3% | 75.5% | 82.2% | 68.3% | 83.8% | 43.0% | 80.6% | 83.7% | 66.9% | 9.0% | 43.0% | 39.0% | 75.2% | 33.3% | 14.2% | 68.4% | - | 0.0% | 0.0% | 1.13 | 0.0% | -0.15 | 20.0% | 25.0% | 40.0% | 1.7 | 100.0% | 18.1% | 2.8% | 100.0% | 66.7% | 0.0% | 88.3% | 27.2% | 60.0% | 100.0% | 90.0% | - | 47.2% | - | 80.0% | - | 0.0% | 1.54 | 1.54 | - | - | 80.0% | 16.8% | 4.95 | 39.7% | 59.8% | 0.0% | 9.5% | 0.0% | 86.1% | 0.49 | 39.21 | 272.11 | 86.0% | 86.0% | 51.6% |
2 / 2 models
| Attribute | GPT-5 Mini OpenAI | Grok 4.1 Fast xAI |
|---|---|---|
| Description | GPT-5 mini is an AI model from OpenAI. | Grok 4.1 Fast is an AI model from xAI. |
| Family | GPT | Grok |
| Params | - | - |
| Open weights | closed | closed |
| License | proprietary | proprietary |
| Released | 7 Aug 2025 | 19 Nov 2025 |
| Context | 400,000 | - |
| Input $/1M | $0.25 | - |
| Output $/1M | $2.00 | - |
| Cache read $/1M | $0.025 | - |
| Cache write $/1M | - | - |
| Speed | 0 tok/s | 0 tok/s |
| Latency | 0.00 s | 0.00 s |
| Modalities | text, image, file | text |
| Providers | - | - |
| Publisher | OpenAI | 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 GPT-5 Mini or Grok 4.1 Fast better?
- Across the 26 benchmarks both models report on Sophon, GPT-5 Mini leads on 17 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-5 Mini and Grok 4.1 Fast compare on GPQA Diamond?
- GPT-5 Mini scores 82.8% and Grok 4.1 Fast scores 85.3% on GPQA Diamond.
- When were GPT-5 Mini and Grok 4.1 Fast released?
- GPT-5 Mini was released 7 Aug 2025 by OpenAI. Grok 4.1 Fast was released 19 Nov 2025 by xAI.
Other head-to-heads
56GPT-5 Mini vs GPT-5 Nano38 shared evalsGPT-5 vs GPT-5 Mini36 shared evalsGPT-4.1 Mini vs GPT-5 Mini32 shared evalsGPT-5 Mini vs GPT-5.232 shared evalsClaude Sonnet 4.5 vs GPT-5 Mini31 shared evalsClaude Opus 4.5 vs GPT-5 Mini31 shared evalsGPT-5.2 vs Grok 4.1 Fast30 shared evalsClaude 4 Sonnet vs GPT-5 Mini29 shared evalsClaude Opus 4.5 vs Grok 4.1 Fast29 shared evalsClaude Sonnet 4.5 vs Grok 4.1 Fast28 shared evalsClaude Opus 4.6 vs GPT-5 Mini28 shared evalsGemini 3.1 Pro Preview vs GPT-5 Mini27 shared evalsGPT-5 Mini vs GPT-5.427 shared evalsDeepSeek V3.2 vs GPT-5 Mini26 shared evalsGemini 2.5 Pro vs GPT-5 Mini26 shared evalsDeepSeek V3.2 vs Grok 4.1 Fast26 shared evalsGPT-5 Mini vs GPT-5.525 shared evalsGPT-5 Mini vs Kimi K2.525 shared evalsGLM 5.1 vs GPT-5 Mini25 shared evalsClaude Opus 4.7 vs GPT-5 Mini25 shared evalsGPT-5 Mini vs gpt-oss-120b25 shared evalsGLM 4.7 vs GPT-5 Mini25 shared evalsGPT-5.5 vs Grok 4.1 Fast25 shared evalsGemini 3.1 Pro Preview vs Grok 4.1 Fast25 shared evalsClaude Opus 4.6 vs Grok 4.1 Fast25 shared evalsGPT-5.4 vs Grok 4.1 Fast25 shared evalsClaude Opus 4.8 vs GPT-5 Mini24 shared evalsGPT-5.4 Mini vs GPT-5 Mini24 shared evalsGPT-5 Nano vs Grok 4.1 Fast24 shared evalsClaude Opus 4.8 vs Grok 4.1 Fast24 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 GPT-5 Mini23 shared evalsClaude Sonnet 4.6 vs GPT-5 Mini23 shared evalsClaude Fable 5 vs Grok 4.1 Fast23 shared evalsGLM 5.1 vs Grok 4.1 Fast23 shared evalsGPT-4.1 vs GPT-5 Mini22 shared evalsClaude Sonnet 4.6 vs Grok 4.1 Fast22 shared evalsGemini 2.5 Pro vs Grok 4.1 Fast22 shared evalsGPT-5.4 Mini vs Grok 4.1 Fast22 shared evalsGPT-4.1 Nano vs GPT-5 Mini21 shared evalsGPT-5 Mini vs Qwen3.6 Plus21 shared evalsGrok 4.1 Fast vs Qwen3.6 Plus21 shared evalsGPT-4o vs GPT-5 Mini20 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsGPT-4o-mini vs GPT-5 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 evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsGPT-6 Astra vs Grok 4.1 Fast10 shared evals
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