Mashable iconMashableSep 28, 2026

Anthropic releases Claude Sonnet 5.5, a faster and cheaper follow-up to Opus 5.5

Anthropic's Sonnet 5.5 model is reportedly an upgrade over Sonnet 5 and costs up to 30 percent less per task.

Anthropic releases Claude Sonnet 5.5, a faster and cheaper follow-up to Opus 5.5

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Anthropic's Sonnet 5.5 model is reportedly an upgrade over Sonnet 5 and costs up to 30 percent less per task.

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Anthropic's Sonnet 5.5 model is reportedly an upgrade over Sonnet 5 and costs up to 30 percent less per task.

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