Posted Jun 30, 2026 at 6:00 PM UTCHExternal LinkAnthropic’s Claude Sonnet 5 is here.The company’s new mid-tier model, the successor to Sonnet 4.6, can “make plans, use tools like browsers and terminals, and run autonomously at a level that, just a few months ago, required larger and more expensive models,” Anthropic wrote in a release, adding that its performance “is close to that of Opus 4.8.” The company was also careful to include that it has a “much lower ability to perform dangerous cybersecurity tasks than our current Opus models.”Follow topics and authors from this story to see more like this in your personalized homepage feed and to receive email updates.Hayden Field
Anthropic’s Claude Sonnet 5 is here.
The company’s new mid-tier model, the successor to Sonnet 4.6, can “make plans, use tools like browsers and terminals, and run autonomously at a level that, just a few months ago, required larger and more expensive models,” Anthropic wrote in a release, adding that its performance “is close to that of Opus 4.8.” The company was also careful to include that it has a “much lower ability to perform dangerous cybersecurity tasks than our current Opus models.” [Link: Claude Sonnet 5 | https://www.anthropic.com/news/claude-sonnet-5 | Anthropic]
112 words~1 min read
