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Decrypt 28 Sep 2026, 20:06 UTC Jose Antonio Lanz

Anthropic's Claude Sonnet 5.5 Is Out, Beats Opus 5.5 at Coding for Half the Price

Single source Only one publisher in our feeds has reported this so far. Treat details as unconfirmed.
Publisher summary — Decrypt

Anthropic's mid-tier model tops its own flagship on Terminal-Bench 4.0 and costs half as much per token, but an independent tester found it burns more tokens than any model it has measured.

Read the full story on decrypt.co

Ledgerline did not write this story. The headline and excerpt come from Decrypt’s public feed; the full article is on the publisher’s site. Headline tone (automated, not advice): positive.