← Artificial Acceleration
Anthropic · Claude · Fable · Mythos
Claude 3.5 Sonnet (June '24)
Released
21 Jun 2024
· 109 days after
Claude 3 Sonnet
Intelligence
—
no index score yet
Price
$6.00
per 1M tokens, 3:1 in/out · $3 in / $15 out
Speed
—
not measured
Weights
Closed
US lab
Anthropic’s best score over time
15 Oct 2025
7 Oct 2026
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Claude 3 Sonnet
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Claude 3.5 Haiku