Claude Opus 4.6
The current #1 coding model by SWE-bench — use when quality is non-negotiable.
- Input cost / 1M tokens
- $15.00/1M
- Output cost / 1M tokens
- $75.00/1M
- Context window✓ best
- 1M tokens
- Speed
- Deliberate
- Price tier
- Premium
The strongest coding model available by benchmark. Justified for high-stakes engineering work where quality has real financial consequences. For most teams, Sonnet 4.6 at 5× lower cost is the smarter default.