Atlas / Anthropic / Claude Opus 4.1

Claude Opus 4.1

Active Tools

Input

$15.00

Output

$75.00

Cached input

$1.50

per 1M tokens Source ↗

Pricing history

TierUnitInputCached inputOutputEffectiveSource

Standard Per 1M tokens $15.00 $1.50 $75.00 Jan. 11, 2026 Source

Standard Per 1M tokens $15.00 $1.50 $75.00 Jan. 10, 2026 Source