Atlas / Anthropic / Claude Opus 4.1

Claude Opus 4.1

High-capability model for complex reasoning.

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 March 1, 2026 Source

Standard Per 1M tokens $15.00 $1.50 $75.00 Feb. 22, 2026 Source

Standard Per 1M tokens $15.00 $1.50 $75.00 Feb. 15, 2026 Source

Standard Per 1M tokens $15.00 $1.50 $75.00 Feb. 8, 2026 Source

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

Standard Per 1M tokens $15.00 $1.50 $75.00 Jan. 25, 2026 Source

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