GPT-6 Astra vs Grok 4.1 Fast
Head to head on 10 shared benchmarks, with price, context window, and release dates.
Benchmark scores
58evals · sort by any column, ⤢ to expand fullscreen
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GPT-6 Astra OpenAI | 2164elo | 82.8 | 96.1% | 54.7% | 48.5% | 87.9% | 99.0% | 46.4% | 56.5% | 89.6% | - | 59.3% | - | 95.0% | 98.5% | 99.9% | 41.4% | 95.9% | 91.5% | - | 92.0% | 74.1% | 100.0% | 42.4% | 53.5% | 53.3% | 97.6% | 37.8% | - | 63.4% | - | - | - | 60.3% | - | - | - | - | - | - | - | - | - | - | - | - | 96.3% | 0.84 | 72.6% | 92.7% | 85.4% | 88.0% | - | 57.9% | - | 64.6% | 66.6% | - | 74.5% |
| Grok 4.1 Fast xAI | 1325elo | 40.1 | 85.3% | 19.3% | 28.1% | 78.7% | 4.0% | 31.3% | 44.2% | 1.2% | 62.0% | - | 89.3% | - | - | - | - | - | - | 66.0% | - | - | - | - | - | - | - | - | 11.8 | - | 35.0% | 52.7% | 80.2% | - | 64.7% | 69.6% | 52.2% | 28.2% | 74.3% | 83.7% | 80.2% | 82.2% | 60.8% | 100.0% | 85.4% | 42.6% | - | - | - | - | - | - | 73.1% | - | 24.2% | - | - | 93.3% | 58.3% |
2 / 2 models
| Attribute | GPT-6 Astra OpenAI | Grok 4.1 Fast xAI |
|---|---|---|
| Description | OpenAI's GPT-6 flagship, launched as its best computer-use model: it drives browsers, spreadsheets and desktop applications rather than answering questions about them. Built on OpenAI's largest training run to date and the first model it designates Critical for cybersecurity capability. Rolling out from Daybreak enterprise access to ChatGPT and the API; Pro, Business and Enterprise plans also get a GPT-6 Astra Pro tier. | Grok 4.1 Fast is an AI model from xAI. |
| Family | GPT | Grok |
| Params | - | - |
| Open weights | closed | closed |
| License | - | proprietary |
| Released | 3 Sep 2026 | 19 Nov 2025 |
| Context | 1,050,000 | - |
| Input $/1M | $10.00 | - |
| Output $/1M | $50.00 | - |
| Cache read $/1M | $1.000 | - |
| Cache write $/1M | $12.500 | - |
| Speed | 63 tok/s | 0 tok/s |
| Latency | 198.54 s | 0.00 s |
| Modalities | file, image, text | text |
| Providers | openai | - |
| 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-6 Astra or Grok 4.1 Fast better?
- Across the 10 benchmarks both models report on Sophon, GPT-6 Astra leads on 10 of them. Which one is "better" depends on the benchmark - the table above shows every shared score.
- How do GPT-6 Astra and Grok 4.1 Fast compare on GPQA Diamond?
- GPT-6 Astra scores 96.1% and Grok 4.1 Fast scores 85.3% on GPQA Diamond.
- When were GPT-6 Astra and Grok 4.1 Fast released?
- GPT-6 Astra was released 3 Sep 2026 by OpenAI. 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 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 Opus 4.6 vs Grok 4.1 Fast25 shared evalsGPT-5.4 vs Grok 4.1 Fast25 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 Grok 4.1 Fast23 shared evalsGLM 5.1 vs Grok 4.1 Fast23 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 evalsGrok 4.1 Fast vs Qwen3.6 Plus21 shared evalsGPT-5 vs Grok 4.1 Fast20 shared evalsgpt-oss-120b vs Grok 4.1 Fast20 shared evalsGPT-5.5 vs GPT-6 Astra19 shared evalsClaude Opus 4.8 vs GPT-6 Astra19 shared evalsClaude Fable 5 vs GPT-6 Astra18 shared evalsGemini 3.1 Pro Preview vs GPT-6 Astra16 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 evalsClaude Opus 4.7 vs GPT-6 Astra14 shared evalsGLM 5.1 vs GPT-6 Astra14 shared evalsGPT-4.1 Nano vs Grok 4.1 Fast14 shared evalsGPT-5.2 vs GPT-6 Astra13 shared evalsClaude Opus 4.6 vs GPT-6 Astra13 shared evalsGPT-5.4 vs GPT-6 Astra13 shared evalsGPT-4.1 vs Grok 4.1 Fast13 shared evalsGPT-6 Astra vs Kimi K2.513 shared evalsClaude Sonnet 4.6 vs GPT-6 Astra13 shared evalsGPT-5 Mini vs GPT-6 Astra12 shared evalsGPT-5 vs GPT-6 Astra12 shared evalsGPT-5.4 Mini vs GPT-6 Astra12 shared evalsClaude Sonnet 4.5 vs GPT-6 Astra11 shared evalsClaude Opus 4.5 vs GPT-6 Astra11 shared evalsGPT-6 Astra vs Qwen3.6 Plus11 shared evalsGPT-5 Nano vs GPT-6 Astra10 shared evalsGemini 2.5 Pro vs GPT-6 Astra10 shared evalsDeepSeek V3.2 vs GPT-6 Astra9 shared evalsGLM 4.7 vs GPT-6 Astra9 shared evalsClaude 4 Sonnet vs GPT-6 Astra8 shared evalsGPT-4.1 Mini vs GPT-6 Astra6 shared evalsGPT-4.1 Nano vs GPT-6 Astra6 shared evalsGPT-6 Astra vs gpt-oss-120b6 shared evalsGPT-4.1 vs GPT-6 Astra5 shared evalsGPT-4o-mini vs GPT-6 Astra4 shared evalsGPT-4o vs GPT-6 Astra4 shared evals
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