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Sonnet 5: A Practical Guide for Production Engineering

This story is from 2026-10-21. It is preserved in the archive; the latest stories are on the live feed.

TL;DR Claude Sonnet 5 delivers a 1-million-token context window, 128,000 max output tokens, and native adaptive thinking designed for multi-step agentic execution. Unlike prior generations, Sonnet 5 rejects requests with non-default temperature , top_p , or top_k parameters with an HTTP 400 error,…

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  1. 2026-10-21 14:23 · DEV Community — AI
    Sonnet 5: A Practical Guide for Production Engineering

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