Why hackers moved from Claude Opus to Claude Sonnet

1 hacker described this switch in public comments. Their words, with links to the originals.

Claude Opus 2 hackers criticize it
→
Claude Sonnet 2 hackers recommend it

What hackers said about the move

“I have sense switched from Opus to Sonnet which is 1/5 the price and they just sped Sonnet up.”
akssassin907, 2026-02-26original comment ↗

Use Claude Opus? Get alerted when hackers criticize it.

Tell us the tools in your stack. When hackers start criticizing one of them, or moving to an alternative, you will hear about it first.

Claude Opus vs Claude Sonnet

Claude OpusClaude Sonnet
Hackers who recommend52
Hackers who criticize22
Moved away from it61
Moved to it12

Counts are distinct hackers in the sampled comments, not market share.

Criticism of Claude Opus

“My personal experience has been Opus is unusable on design work it's so terrible.”
nijave, 2026-09-26original comment ↗
“This seems a worsening that seems to have started at Opus 4.8.”
ghoul2, 2026-09-02original comment ↗

Praise for Claude Sonnet

“Taste is why I switched from GLM-4.6 to Sonnet.”
andai, 2025-12-23original comment ↗

Other moves from Claude Opus

Other moves to Claude Sonnet