prices synced 2026-07-28

Claude Opus 4

retired

Anthropic · Released May 2025

Compare

Original Claude 4 flagship at $15/$75. Superseded by Opus 4.5 which cut pricing by 67%.

Strengths
The original Claude 4 flagship; strong general reasoning for its era.
Best for
Reproducing results from the original Claude 4 launch.
Limitations
Expensive early pricing, fully superseded by cheaper, better Opus releases.

Input / 1M

$15.00

Output / 1M

$75.00

Cached input / 1M

$1.50

Context window

200K

Price history

Price per 1M tokens over timeOutput $75.00; Input $15.00 as of May 2025.$0$20.00$40.00$60.00$80.00Output on 22 May 2025: $75.00Out $75.00Input on 22 May 2025: $15.00In $15.00May 2025

Snapshots

Effective Input Output Cached in Note Source
22 May 2025 $15.00 $75.00 $1.50 anthropic.com/pricing

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