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Claude Opus 4.8

Claude Opus 4.8 by Anthropic: intelligence index 85.7, $5.00 in / $25.00 out per 1M tokens, 1M context, with a source on every number.

Vendor
Anthropic
Intelligence index
85.7
Price per 1M tokens
$5.00 in · $25.00 out
Context
1M tokens
Released
2026-05-27
Status
Superseded by claude-opus-5.5

Sources