Side by side pricing and context for Claude 3 Opus and Claude Opus 4.8. Rates are curated catalog values with last verified dates on each model page.
Claude 3 Opus
Prior Anthropic Opus generation for historical comparisons against Opus 4.x. Useful when older apps still pin Claude 3 Opus ids.
Input $15.00 / Output $75.00 per 1M
Context 200K · Approx (Anthropic family)
Claude Opus 4.8
Anthropic top-tier Claude for complex analysis, coding, and long-horizon agents. Highest Claude list prices here. Model cache savings carefully before high traffic.
Input $5.00 / Output $25.00 per 1M
Context 1M · Approx (Anthropic family)
Quick take
- Claude Opus 4.8 is cheaper on input in this catalog snapshot.
- Claude Opus 4.8 is cheaper on output in this catalog snapshot.
- Both last verified on their model pages (2026-08-02 / 2026-08-02).
Rate table
| Metric | Claude 3 Opus | Claude Opus 4.8 |
|---|---|---|
| Input / 1M | $15.00 | $5.00 |
| Output / 1M | $75.00 | $25.00 |
| Cached input / 1M | $1.50 | $0.500 |
| Context | 200K | 1M |
| Tokenizer | Approx (Anthropic family) | Approx (Anthropic family) |