Anthropic rolls out Sonnet 5 with near-Opus 4.8 performance at a lower price
AI disclosure
Summary
Anthropic is now rolling out Sonnet 5, and it's almost as good as the Opus range, but it is designed to be cheaper than the company's flagship model. [...]
Discussion on
Trending posts from X.
If you had told me this a year ago I wouldn’t have believed it, but Chinese AI is now almost as good as US AI at 10% of the price, so it’s actually quite logical. I use Deepseek next to paid subscriptions for Claude, ChatGPT and Grok. https://t.co/Yuk4cwFF2Y
— Marc van der Chijs (@marcvanderchijs) June 30, 2026