Anthropic: Claude Opus 5.5 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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Anthropic: Claude Opus 5.5
Anthropic
Mehr von Anthropic →
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xAI: Grok 4 Fast
xAI
Mehr von xAI →
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| Quality Index | 42,3 ★ | 11,1 |
| Speed (Tokens/s) | 71,9 ★ | 0 |
| Latency (TTFT) | 2,94 s | 0 ms ★ |
| Preis Input (USD/1M) | $4.00 | $0.20 ★ |
| Preis Output (USD/1M) | $20.00 | $0.50 ★ |
| Context Window | — | — |
| Modalitäten | text | text |
| Release | 09/2026 | 09/2025 |
Anthropic: Claude Opus 5.5
Claude Opus 5.5 is Anthropic's flagship model for demanding reasoning, coding, and long-horizon agentic work, succeeding Claude Opus 5. It is particularly strong at multi-step changes in large codebases, code...
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...