Sonnet 5.5 appears to be live as builders start testing on stream
every · x · 2026-09-29
Every (Dan Shipper's team) went live with 'LIVE: Sonnet 5.5', followed by multiple builders including Kieran Klaassen streaming on the same topic — pointing to a likely Sonnet 5.5 release from Anthropic and early hands-on testing.
Details remain thin; actual capabilities await official announcements and benchmarks.
Related event: Sonnet 5.5 appears to launch as devs race to live-test it(2 posts)→
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