Who's Who of AI

Andrew Curran

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Introducing Claude Sonnet 5 \ Anthropic anthropic.com
AI Weekly's analysis →
  • Anthropic released Claude Sonnet 5 on June 30, 2026, calling it 'the most agentic Sonnet model yet' and pitching it for autonomous browser and terminal use.
  • Through August 31, 2026 Sonnet 5 costs $2 per million input tokens and $10 per million output, then steps to standard rates of $3 and $15.
  • A new tokenizer means the same input can map to roughly 1.0 to 1.35 times more tokens than prior Anthropic models, partly offsetting the headline discount.
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View on Bluesky · ♥ 0 ↻ 0 ↩ 0 · 8 from the directory shared this · 23h ago

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axios.com
AI Weekly's analysis →
  • Sources told Axios restrictions on Fable 5 could lift as soon as this coming week, though Pentagon and NSA approval is still pending.
  • The Commerce Department on Friday allowed Anthropic to restore Mythos 5 access to certain trusted U.S. organizations, partially reversing the ban.
  • Anthropic disabled both models June 12 after a government export control order cited a jailbreak; Anthropic called the concern a misunderstanding.
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View on Bluesky · ♥ 0 ↻ 0 ↩ 0 · 2 from the directory shared this · 4d ago

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US releases powerful Anthropic model Mythos to some US companies | Semafor semafor.com
AI Weekly's analysis →
  • Commerce Secretary Howard Lutnick cleared Anthropic's Mythos 5 for roughly 100 US companies and federal agencies on June 26.
  • The clearance ends a two-week export control ban imposed June 12 over jailbreak and national security concerns.
  • Fable 5, Anthropic's other restricted flagship model, remains under export controls with no resolution announced.
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View on Bluesky · ♥ 0 ↻ 0 ↩ 0 · 4 from the directory shared this · 4d ago