Opus 4.8 builds on Opus 4.7 with gains in coding, agentic tasks and judgment; same $5/$25 price.
Released
May 28, 2026
Context window
1M tokens
Max output
128K tokens
Parameters
Not disclosed
Input price
$5.00 per 1M
Output price
$25.00 per 1M
Prices are first-party list prices in USD at the standard tier. Last verified Oct 30, 2026.
Pricing
Launch priceMay 28, 2026
$5.00 in / $25.00 out
Current price
since May 28, 2026
$5.00 in / $25.00 out
Cached input $0.50 per 1M
| Tier | Effective | Input | Output | Cached |
|---|---|---|---|---|
| Standard | May 28, 2026 – now | $5.00 | $25.00 | $0.50 |
| Batch | May 28, 2026 – now | $2.50 | $12.50 | - |