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Claude Opus 5 vs Claude Sonnet 5: Complete Comparison
Claude Opus 5 is the higher-capability Claude lane for difficult enterprise and coding work; Claude Sonnet 5 is the balanced production lane.
Featured · Updated today · Last verified: July 2026 · Score 5
Choose Claude Opus 5 when
Higher-capability Opus tier for complex reasoning, code review, and long-horizon enterprise work.
Choose Claude Sonnet 5 when
Balanced Sonnet tier with substantial gains over Sonnet 4.6 for reasoning, coding, and tool use.
Overview
Claude Opus 5 is the higher-capability Claude lane for difficult enterprise and coding work; Claude Sonnet 5 is the balanced production lane. Pick Opus when failure is expensive, and Sonnet when throughput and cost-performance matter.
Recommendation
Claude Opus 5 is the higher-capability Claude lane for difficult enterprise and coding work; Claude Sonnet 5 is the balanced production lane.
Limitations and trade-offs
Pricing, limits, and regional availability can change quickly; verify vendor docs before rollout. This comparison is based on official public documentation and should be validated against internal evals.