Claude Opus 5.5 vs Sonnet 5.5: Coding Leader vs Value Pick
| Claude Opus 5.5 | Claude Sonnet 5.5 | |
|---|---|---|
| Vendor | Anthropic | Anthropic |
| Text & Chat | #3 · 1508 | #30 · 1475 |
| Coding | #1 · 1811 | #3 · 1774 |
| AI Agents | #1 · 17.89 | #7 · 10.75 |
| Vision | — | #27 · 1268 |
| Official price | $4 / $20 per 1M in/out | $2 / $10 per 1M in/out |
| On this site | — | — |
Verdict
Claude Opus 5.5 holds the #1 spot on the HuaLinYuan Coding board with an index of 1811, leading Sonnet 5.5's #3 position at 1774. Opus also leads in Text & Chat (#3 vs #30) and AI Agents (#1 vs #7). However, Opus costs twice as much: $4/$20 per million tokens versus Sonnet's $2/$10. Both models are currently unavailable on this platform. Choose Opus for maximum coding and agent performance; choose Sonnet for strong coding results at a significantly lower cost.
Choose Claude Opus 5.5 if
- Top coding and agent performance needed
- Budget allows premium pricing
Choose Claude Sonnet 5.5 if
- Strong coding at half the cost
- Good balance of price and capability
Compare them yourself
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