Mike Krieger · lab leaders · anthropic ☆ FOLLOW 20 topic(s) over 14 day(s) — architecture, inference, agents. on X ↗
CARD NO. 2026-10-05 Anthropic introduces Claude Sonnet 5.5 with higher speed and lower cost architecture · 14 voices
CARD NO. 2026-10-04 Anthropic launches Sonnet 5.5 model family and extends thinking persistence architecture · 17 voices
CARD NO. 2026-10-03 Claude Sonnet 5.5 releases with 30% faster speed and isolated context thinking inference · 23 voicesAnthropic releases the Claude 5.5 model series architecture · 4 voices
CARD NO. 2026-10-01 Anthropic releases Claude Sonnet 5.5 with improved speed and efficiency architecture · 14 voicesAnthropic expands model lineup with Claude Sonnet 5.5 and Haiku 5.5 evaluation · 12 voices
CARD NO. 2026-09-30 Anthropic releases Claude Sonnet 5.5 with 30% faster speed architecture · 14 voicesAnthropic launches Claude Sonnet 5.5, reduces Opus pricing, and prepares Claude Haiku 5.5 release inference · 6 voices
CARD NO. 2026-09-29 Claude Opus 5.5 introduced with 40% lower operating costs architecture · 22 voicesAnthropic launches Claude Sonnet 5.5 with higher speed and lower cost architecture · 14 voicesAnthropic releases Claude Opus 5.5 with lower pricing inference · 7 voices
CARD NO. 2026-09-27 Anthropic launches Claude Opus 5.5 with 40% lower operational costs architecture · 22 voicesClaude Sonnet 5.5 spotted in stealth testing with a 1M-token context window architecture · 3 voices
CARD NO. 2026-09-24 Anthropic partners with Accenture on independent evaluation and establishes biological lab evaluation · 11 voices
CARD NO. 2026-09-22 Codex renews its open-source support program with 10,000 grants and integrates the Images 2.5 model multimodal · 8 voices
CARD NO. 2026-09-21 Claude merges Cowork and chat features while Codex expands open-source grants agents · 15 voices
CARD NO. 2026-09-20 Codex integrates Image 2.5 model and renews its open-source grant program agents · 15 voices
CARD NO. 2026-09-19 Codex renewed its OSS support program with Pro plans and doubled grants backend · 10 voices