OpenAI: GPT-5.1 vs. xAI: Grok 4 Fast
Direkter Head-to-Head-Vergleich zweier Frontier-Modelle. xAI: Grok 4 Fast gewinnt 3 von 8 Disziplinen.
Letzte Synchronisation:
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OpenAI: GPT-5.1
OpenAI
Mehr von OpenAI →
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xAI: Grok 4 Fast
xAI
Mehr von xAI →
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| Quality Index | 47,7 ★ | 35,1 |
| Speed (Tokens/s) | 123,3 ★ | 76,2 |
| Latency (TTFT) | 28,67 s | 8,28 s ★ |
| Preis Input (USD/1M) | $1.25 | $0.20 ★ |
| Preis Output (USD/1M) | $10.00 | $0.50 ★ |
| Context Window | — | — |
| Modalitäten | text | text |
| Release | 11/2025 | 09/2025 |
OpenAI: GPT-5.1
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
xAI: Grok 4 Fast
Grok 4 Fast is xAI's latest multimodal model with SOTA cost-efficiency and a 2M token context window. It comes in two flavors: non-reasoning and reasoning. Read more about the model...