Anthropic has released Sonnet 5.5, an upgraded mid-tier AI model that is 30% faster and more cost-efficient than its predecessor, Sonnet 5. Designed for everyday tasks like coding and document creation, Sonnet 5.5 also offers strong cyber capabilities and is the first Sonnet model to receive the same cyber safeguards as higher-tier models. This release comes amid a wave of new AI models from major labs, signaling ongoing competition in the AI space. Anthropic also plans to update its smallest model, Haiku, soon.
Anthropic's release of Sonnet 5.5 provides context for technology sector performance on Pluang. As of Sep 29, 2026 00:41 WIB, 34 of 150 priced Technology-sector US stocks rose while 115 fell. Notable movers include DUOL at USD 135.60 with a -5.51% change, MNDY at USD 79.05 with a -5.51% change, and AEHR at USD 98.67 with a -5.48% change.
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