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OpenAI: GPT-5.4 Nano vs. xAI: Grok 4 Fast

Direkter Head-to-Head-Vergleich zweier Frontier-Modelle. Es steht 1:1 — beide Modelle sind nahezu gleichauf.

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OpenAI: GPT-5.4 Nano
OpenAI
Mehr von OpenAI →
xAI: Grok 4 Fast
xAI
Mehr von xAI →
Quality Index 30,8 27,9
Speed (Tokens/s) 0 0
Latency (TTFT) 0 ms 0 ms
Preis Input (USD/1M) $0.20 $0.20
Preis Output (USD/1M) $1.25 $0.50
Context Window
Modalitäten text text
Release 03/2026 09/2025

OpenAI: GPT-5.4 Nano

GPT-5.4 nano is the most lightweight and cost-efficient variant of the GPT-5.4 family, optimized for speed-critical and high-volume tasks. It supports text and image inputs and is designed for low-latency...

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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