Claude Opus 5 vs Claude Opus 5.5: Coding Performance Comparison
| Claude Opus 5 | Claude Opus 5.5 | |
|---|---|---|
| Vendor | Anthropic | Anthropic |
| Text & Chat | #12 · 1490 | #3 · 1508 |
| Coding | #6 · 1690 | #1 · 1811 |
| AI Agents | #9 · 8.21 | #1 · 17.89 |
| Vision | #12 · 1289 | — |
| Official price | $5 / $25 per 1M in/out | $4 / $20 per 1M in/out |
| On this site | — | — |
Verdict
Claude Opus 5.5 represents a significant generational leap over Claude Opus 5, particularly in the coding domain where it holds the top position on the HuaLinYuan Coding board with an index of 1811 compared to the predecessor's 1690. Beyond its superior technical performance, the 5.5 iteration offers improved cost-efficiency, with input and output pricing reduced to $4.0 and $20.0 per million tokens, respectively. While both models are currently unavailable on this platform, the 5.5 version consistently outperforms the 5 across all tracked categories, including AI Agents and general text, making it the more capable and economical choice for high-demand development tasks once access becomes available.
- Legacy project compatibility
- Specific workflow requirements
- Superior coding performance
- Lower token pricing
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