Mid-Tier Models Prove More Stable for Complex Coding
Ubunta · x · 2026-07-18
The author conducted a test on a complex and sensitive coding task: Claude Fable autonomously completed about 60% before hitting the subscription limit, but switching to Opus actually made things worse.
Next, Sol-Extra High took over but tended to rewrite the entire codebase. Finally, Sol-Medium took the reins and smoothly wrapped things up. The author concludes that if the task plan is already clearly defined, a mid-tier model is actually better suited for execution, as it avoids over-diverging and gets the job done more directly.
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