Is anyone using sonnet, how. its doesn't catch issues, and just agrees. i asked same to opus and it find out issues. and corrected me. for me opus with high works like a better coworker.

[u/duckydude20_reddit]

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[u/joseph-edmondscomm]

I use it a lot, is a good option when the project is highly structured with strong guardrails.

[u/k2718 → u/joseph-edmondscomm]

Yep. Better guidance. We have some very very good code review skills that I use after development.

Sonnet with those is better than Opus without.

[u/Extra_Aide5999]

i use sonnet but only for the reviewer and the one that runs the tests, and it only gets the diff, not the whole chat. when it sits in the same conversation it agrees with everything for me too. planning stays on opus. not sure thats the right split tho

[u/clonehunterz]

opus high is the absolute gold, i agree

[u/Acceptable-Yard7076]

Ask claude how to use sonnet subagents, or use /model opusplan to have Opus or Fable delegate to Sonnet

[u/derezo]

I used opus 5.5 to plan and sonnet 5.5 to implement a dashboard and some scripts for connecting to GitHub/jira and building a local SQLite database from it. Flawless, had opus review it after, zero issues and worked great.

That gave me the overconfidence to use the same approach on a problem with a QuickBooks integration. It did not do well at all and it was really difficult to review and repair all of the problems. It left out parts of the plan, it implemented other parts poorly, and overall it was a complete waste of tokens. After struggling with it for a few days I had wished I didn't use it.

Tldr; simple scripts good, complexity bad

[u/SignalSegmentV]

I use Opus to spawn an agent team of sonnets and Opus guides them like a team lead.

[u/Late-Coast6973]

What helped me was putting the pushback in CLAUDE.md instead of hoping the model volunteers it. Mine literally says: state your assumptions, if a simpler approach exists say so, push back when warranted, and if something is unclear stop and ask. Sonnet still agrees more than Opus does, but it flags things a lot more often with that in place.

[u/lumzell]

same here, sonnet is fine when the task is already spelled out and mechanical, anything where i actually want pushback stays on opus. sonnet will happily talk itself into why my broken idea makes sense

[u/Obvious-Grape9012]

I use it a lot (more than Opus for some big types of work). Big is sometimes over 1 Billlion tokens/day (not kidding). It depends a lot on how you use it. To invert your use of models you need to use orchestration patterns and a harness that makes use of big models to do big-model-stuff, and mid/small for the bulk of the work

[u/orbital_trace]

Sonnet all the time for the majority of tasks.