Anthropic ships Claude Sonnet 5.5: 30% faster, 70.6% on Terminal-Bench 4.0
petrusenko_max · x · 2026-09-29
Anthropic released Claude Sonnet 5.5: 30%+ faster than Sonnet 5, up to 30% cheaper per task at the same $2/$10 per million token pricing, scoring 70.6% on Terminal-Bench 4.0 versus Sonnet 5's 10.3%. It's also the first Sonnet to launch with cyber safeguards comparable to Opus 5's.
Related event: Anthropic Launches Claude Sonnet 5.5: Over 30% Faster, Up to 30% Cheaper(58 posts)→
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