How I AI · Tuesday, June 30, 2026
Anthropic's Sonnet 5 is positioned as a competitor to Opus 48 in terms of performance but at a significantly lower cost. The model is particularly highlighted for its capabilities in agentic tool use and computer work, offering a nearly comparable experience to Opus at a reduced price point.
“Anthropic is pitching it as close to the performance of Opus 48, but much less expensive.”
“So you're going to see here, you know, Sonnet 46, a lower pass rate on these long running tasks. Sonnet 5 getting pretty close when you have extra high reasoning on. And then Opus of course has the highest pass rate, but it's also much more expensive.”