AI NewsAnthorpic’s Claude Sonnet 5.5 AI Model Launched With Performance and Cost Efficiency Upgrades
Anthorpic’s Claude Sonnet 5.5 AI Model Launched With Performance and Cost Efficiency Upgrades
6:48 PM IST · September 29, 2026

Claude Sonnet 5.5 has been launched as the successor to the Sonnet 5 AI model, Anthropic announced on Monday. The Dario Amodei-led AI giant claims that the new Claude Sonnet 5.5 AI model is faster and notably more cost-efficient than its predecessor. Moreover, the AI model is priced at the same rates for input and output tokens as Claude Sonnet 5. The latest AI model is also claimed to provide improvements in the cyber capabilities department and is being deployed with the same safeguards as the Opus 5.5 model. It is also claimed to deliver enhanced coding performance.
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