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Anthropic

Claude Sonnet 5

* Conditional

1.21s TTFT — too slow to lead a live turn.

Score

68

Task done

89%

Fabrication

0%

Dead-air

7%

TTFT p50

1.21s

1.21–1.37s p50–p90 · us-east4 direct

Cost / 1M tok

$15.00

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