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OpenAI: GPT-5.6 Luna vs. xAI: Grok 4 Fast

Direkter Head-to-Head-Vergleich zweier Frontier-Modelle. xAI: Grok 4 Fast gewinnt 3 von 8 Disziplinen.

Letzte Synchronisation:

OpenAI: GPT-5.6 Luna
OpenAI
Mehr von OpenAI →
xAI: Grok 4 Fast
xAI
Mehr von xAI →
Quality Index 51,2 27,4
Speed (Tokens/s) 250,1 0
Latency (TTFT) 86,98 s 0 ms
Preis Input (USD/1M) $1.00 $0.20
Preis Output (USD/1M) $6.00 $0.50
Context Window
Modalitäten text text
Release 07/2026 09/2025

OpenAI: GPT-5.6 Luna

GPT-5.6 Luna is a fast, cost-efficient model in OpenAI's GPT-5.6 series. It is suited for high-volume, latency-sensitive tasks such as chat, classification, and lightweight agentic workflows, providing capable reasoning for...

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...

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