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Part of Anthropic's Claude Evolution · 12 stories · since Sep 23 · newest 6m ago

Anthropic launches Claude Haiku 5.5, cuts small-model API prices ~75%

Anthropic publishes Haiku 5.5 technical documentation

1 Oct 7 1:56 PM · 6d ago · 1 post · 1 source · development 1 of 4

Docs detail a 1M-token context window, up to 128k output tokens, an adjustable effort parameter, and a newer tokenizer shared with Claude 4.7-and-later models that counts roughly 30% more tokens than Haiku 4.5 for the same text.

Anthropic publishes Haiku 5.5 technical documentation
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Anthropic AI company releasing the modelHubSpot customer cited in launch materialsBox customer cited in launch materials (Box AI)@chrisgpt independent commentator on X@viticci independent commentator (Federico Viticci) on X

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Peak 71 pieces in two hours at Oct 7, 1 PM; 105 pieces over 7 days (39 articles · 27 posts · 39 comments) Oct 7, 1 PM — 71 pieces · 32 articles · 20 posts · 19 comments — Newswires 30, Hacker News 22, X 13, +2 moreOct 7, 3 PM — 8 pieces · 2 articles · 1 post · 5 comments — Hacker News 5, Newswires 2, Reddit 1Oct 7, 5 PM — 5 pieces · 1 post · 4 comments — Hacker News 4, Mastodon 1Oct 7, 7 PM — 3 pieces · 3 comments — Hacker News 3Oct 7, 9 PM — 3 pieces · 3 comments — Hacker News 3Oct 7, 11 PM — 3 pieces · 1 article · 2 comments — Hacker News 2, Newswires 1Oct 8, 1 AM — 3 pieces · 1 article · 1 post · 1 comment — Mastodon 1, Newswires 1, Hacker News 1Oct 8, 3 AM — 1 piece · 1 article — Newswires 1Oct 8, 5 AM — 2 pieces · 1 post · 1 comment — Hacker News 1, Reddit 1Oct 8, 7 AM — 1 piece · 1 comment — Hacker News 1Oct 8, 9 AM — quietOct 8, 11 AM — 1 piece · 1 post — Mastodon 1Oct 8, 1 PM — 2 pieces · 1 article · 1 post — Mastodon 1, Newswires 1Oct 8, 3 PM — quietOct 8, 5 PM — 1 piece · 1 post — Mastodon 1Oct 8, 7 PM — quietOct 8, 9 PM — quietOct 8, 11 PM — quietOct 9, 1 AM — quietOct 9, 3 AM — 1 piece · 1 article — Newswires 1Oct 9, 5 AM — quietOct 9, 7 AM — quietOct 9, 9 AM — quietOct 9, 11 AM — quietOct 9, 1 PM — quietOct 9, 3 PM — quietOct 9, 5 PM — quietOct 9, 7 PM — quietOct 9, 9 PM — quietOct 9, 11 PM — quietOct 10, 1 AM — quietOct 10, 3 AM — quietOct 10, 5 AM — quietOct 10, 7 AM — quietOct 10, 9 AM — quietOct 10, 11 AM — quietOct 10, 1 PM — quietOct 10, 3 PM — quietOct 10, 5 PM — quietOct 10, 7 PM — quietOct 10, 9 PM — quietOct 10, 11 PM — quietOct 11, 1 AM — quietOct 11, 3 AM — quietOct 11, 5 AM — quietOct 11, 7 AM — quietOct 11, 9 AM — quietOct 11, 11 AM — quietOct 11, 1 PM — quietOct 11, 3 PM — quietOct 11, 5 PM — quietOct 11, 7 PM — quietOct 11, 9 PM — quietOct 11, 11 PM — quietOct 12, 1 AM — quietOct 12, 3 AM — quietOct 12, 5 AM — quietOct 12, 7 AM — quietOct 12, 9 AM — quietOct 12, 11 AM — quietOct 12, 1 PM — quietOct 12, 3 PM — quietOct 12, 5 PM — quietOct 12, 7 PM — quietOct 12, 9 PM — quietOct 12, 11 PM — quietYesterday, 1 AM — quietYesterday, 3 AM — quietYesterday, 5 AM — quietYesterday, 7 AM — quietYesterday, 9 AM — quietYesterday, 11 AM — quietYesterday, 1 PM — quietYesterday, 3 PM — quietYesterday, 5 PM — quietYesterday, 7 PM — quietYesterday, 9 PM — quietYesterday, 11 PM — quiet 1–4
1–4Anthropic publishes Haiku 5.5 technical…
Oct 8Oct 9Oct 10Oct 11Oct 12yesterdaynow · 1:50 AM ET

All 4 developments of Anthropic launches Claude Haiku 5.5, cuts small-model API… →

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