Claude Opus Latest

Openrouter text

openrouter/~anthropic/claude-opus-latest

Input

$4.00

per 1M input tokens

Output

$20.00

per 1M output tokens

Cache read

$0.2000

per 1M cached read tokens

Cache write

$5.00

per 1M cache write tokens

Context window

1,000,000

Max output

128,000

Effective date

Sep 23, 2026

Estimate a workload

Enter token counts to see the cost at this model's rates.

Estimated cost: $0.00

Price history

blended $ per 1M tokens (3:1)
$7.76 $8.59 $9.41 $10.2 Sep 18, 2026: $10.0 Sep 23, 2026: $8.00 Sep 18, 2026 Sep 23, 2026
Effective Input Output Blended
Sep 23, 2026 $4.00 $20.00 $8.00
Sep 18, 2026 $5.00 $25.00 $10.00

Source: litellm. Confirm against the provider's official pricing before relying on these figures.