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xAI
Grok-4.3
* Conditional
2.15s TTFT — too slow for a live turn.
Score
43
Task done
100%
Fabrication
0%
Dead-air
24%
TTFT p50
2.15s
2.15–2.64s p50–p90
Cost / 1M tok
$2.50
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https://benchmarks.speko.ai/llm/xai-grok-4-3