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Claude Opus 5.5 vs Sonnet 5.5 for coding agents: is Opus worth it?

This story is from 2026-10-23. It is preserved in the archive; the latest stories are on the live feed.

Originally published on the QuickSilver Pro blog . Claude Opus 5.5 costs $1.00 / $5.00 per million tokens on QuickSilver Pro, against $0.50 / $2.50 for Claude Sonnet 5.5. The question for anyone running a coding agent is whether Opus buys anything for that. We tested it on 2026-10-20 with Claude Co…

Read the full story at DEV Community — AI ↗

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  1. 2026-10-23 04:51 · DEV Community — AI
    Claude Opus 5.5 vs Sonnet 5.5 for coding agents: is Opus worth it?

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