Opus 5 Shows No Significant Improvement, Only Lower Failure Rate

Hands-on tests reveal that Opus 5 offers no significant performance boost, functioning similarly to competitors like GPT 5.6 sol but with a lower failure rate.

2026-07-25 ~ 2026-07-26 · 2 related posts

• Opus 5 seems mostly like the same day, with fewer failures — mattpocockuk · 2026-07-25
• After a full day testing Opus 5, the author sees little improvement — jiayuan_jy · 2026-07-26