PromptLoop
News Analyse Werkstatt Generative Medien Originals Glossar KI-Modelle Vergleich Kosten-Rechner

xAI: Grok 4 Fast vs. Upstage: Solar Pro 4

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

Letzte Synchronisation:

xAI: Grok 4 Fast
xAI
Mehr von xAI →
Upstage: Solar Pro 4
Upstage
Mehr von Upstage →
Quality Index 16,6 41,6
Speed (Tokens/s) 0 39,3
Latency (TTFT) 0 ms 1,56 s
Preis Input (USD/1M) $0.20 $0.30
Preis Output (USD/1M) $0.50 $1.20
Context Window
Modalitäten text text
Release 09/2025 08/2026

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...

Upstage: Solar Pro 4

Solar Pro 4 is Upstage's cost-efficient large language model, featuring a 524K context window. It is built for long-horizon tasks and agentic workflows, with strong capabilities in office productivity, document-intensive...

📬 KI-News direkt ins Postfach