Anthropic Unveils Claude Sonnet 5.5, Its Fastest Mid-Tier AI Model Yet
Anthropic has launched Claude Sonnet 5.5, a significant upgrade that is 30 percent faster than its predecessor, as the company prepares for an IPO and intensifies competition in AI.
Read the full story → · Latest coverage 28 Sept 2026, 8:09 pm UTC
Key moments · 4
Anthropic launches Claude Sonnet 5.5, its fastest mid-tier AI model
SiliconANGLE ↗Anthropic rolls out second Claude 5.5 model ahead of IPO
World News CNA ↗Claude Sonnet 5.5 replaces Sonnet 5 as top mid-size Claude model
9to5Mac Apple ↗Sonnet 5.5 achieves high Terminal-Bench 4.0 coding test score
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