Anthropic Releases Claude Sonnet 5.5, 30% Faster and Cheaper

Anthropic has released Claude Sonnet 5.5, its mid-tier model launched about three months after Sonnet 5. It is claimed to be 30% faster with lower token usage, cutting per-task costs by about 30%, positioned as a cheaper, faster companion to Opus 5.5 for well-scoped everyday tasks.

2026-10-04 ~ 2026-10-06 · 2 related posts

• Anthropic launches Claude Sonnet 5.5: 30% faster and up to 30% cheaper per task — dl_weekly · 2026-10-04
• Anthropic releases Sonnet 5.5: 30% faster, lower token burn, cheaper work partner — thione · 2026-10-06