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Mike Krieger
@mikeyk
Building at Anthropic Labs
@anthropicai
. Before: CPO at Anthropic, co-founder & CTO of
@instagram
and
@artifact_news
Joined November 2006
271
Following
467.8K
Followers
Mike Krieger
@mikeyk
2026.09.22 16:56
We’re also launching Claude Sonnet 5.5 and Haiku 5.5 in the coming weeks. These models will come with many of the same improvements to performance, efficiency, and safety. With that, happy building everyone.
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