← Artificial Acceleration
Anthropic · Claude · Fable · Mythos
Claude Opus 4.7
Released
16 Apr 2026
· 58 days after
Claude Sonnet 4.6
notable release
Intelligence
—
no index score yet
Price
$10.00
per 1M tokens, 3:1 in/out · $5 in / $25 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 Sonnet 4.6
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Claude Opus 4.8