Dev finds Opus 5.5 'very good', but 5.6-sol still the best all-around model this year
DimitrisPapail · x · 2026-09-23
A developer reports after hands-on testing that Claude Opus 5.5 seems very good — likely the best Opus since 4.5. However, they still consider 5.6-sol the best all-around model of the year, though they may update that view soon.
Related event: Hands-On: Opus 5.5 Best Since 4.5, But Sol 5.6 Still Tops Overall(2 posts)→
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