specs at a glance
| Leaderboard rank | #2 of 10 |
|---|---|
| SWE-bench Verified | ~86% |
| SWE-bench Pro | 69.2% |
| Terminal-Bench | ~82.7% (TB2.1) |
| Input price / 1M | $5 |
| Output price / 1M | $25 |
| Context window | 1M |
| Open weights | No |
| Access | API · Claude Code · claude.ai (Max) |
| Maker | Anthropic |
how good is Claude Opus 4.8 at coding?
Claude Opus 4.8 sits at #2 of 10 ranked models, posting ~86% on SWE-bench Verified — 9 points behind #1 Claude Fable 5. On the harder SWE-bench Pro it scores 69.2%. Terminal-Bench (agentic terminal work): ~82.7% (TB2.1).
Score provenance: Anthropic-reported; independent evals (vals.ai) track within ~1 point.
what does Claude Opus 4.8 cost?
$5 per 1M input tokens and $25 per 1M output — #8 cheapest of the 10 models we track. Coding workloads are output-heavy, so weight the output rate when budgeting. Run your own volume through the AI API cost calculator for a monthly estimate.
where can you use it?
Available via API · Claude Code · claude.ai (Max). As a proprietary model, you're on the maker's infrastructure and release schedule.
head-to-head
- AnthropicAnthropic — Claude Opus 4.8
Ranked on our AI Coding Leaderboard — scores confirmed against primary sources only, updated 2026-07-04.