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Results for “claude sonnet”

Daily coverage of AI, developer tools and infrastructure. Each story explains what happened and why it matters, with a link to the original source.

AI news

Claude Sonnet 5.5 trades token efficiency for agentic performance

Anthropic's new model reaches second place on the Intelligence Index by using significantly more output tokens, matching top-tier agents in terminal tasks while lagging in factual knowledge.

Sep 29, 2026 4 min read via artificialanalysis.ai

Building with AI

Anthropic routes high-risk cyber requests from Sonnet 5.5 to older models

Anthropic’s new Sonnet 5.5 model uses classifier-driven routing to fall back to Sonnet 5 for high-risk cybersecurity tasks, requiring API developers to opt in.

Sep 29, 2026 4 min read via The New Stack