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Part of OpenAI Trade Secrets Theft · 4 stories · since Sep 14 · newest 19m ago

Anthropic launches Claude Opus 5.5, cutting price 40% while lifting coding performance

Anthropic launches Claude Opus 5.5

Anthropic released Opus 5.5, the first model in its new 5.5 family, saying it performs at the level of Claude Fable 5.1 on most work while costing 40% less to run than Opus 5, and calling it the strongest-performing model on its automated behavioral audit to date.

Anthropic launches Claude Opus 5.5
x.com

“Anthropic called it "the strongest-performing model we've tested to date."”

Anthropic

Anthropic Developer of Claude Opus 5.5Dario AmodeiDario Amodei Anthropic CEOMETR / Frontier Design External evaluatorsClaude Code developers Users of Anthropic's coding agent

The whole story articlespostscomments the bright band is this development · numbered dots are the others · click one to jump

Peak 111 pieces in one hour at Yesterday, 11 AM; 189 pieces over 2 days (74 articles · 58 posts · 57 comments) Sep 21, 9 PM — 1 piece · 1 post — X 1Sep 21, 10 PM — quietSep 21, 11 PM — quietYesterday, 12 AM — quietYesterday, 1 AM — quietYesterday, 2 AM — quietYesterday, 3 AM — quietYesterday, 4 AM — quietYesterday, 5 AM — quietYesterday, 6 AM — quietYesterday, 7 AM — quietYesterday, 8 AM — quietYesterday, 9 AM — quietYesterday, 10 AM — quietYesterday, 11 AM — 111 pieces · 61 articles · 36 posts · 14 comments — Newswires 50, X 30, Hacker News 16, +2 moreYesterday, 12 PM — 26 pieces · 6 articles · 14 posts · 6 comments — Hacker News 9, Mastodon 6, Newswires 6, +3 moreYesterday, 1 PM — 5 pieces · 2 articles · 3 comments — Hacker News 3, Google News 1, Newswires 1Yesterday, 2 PM — 10 pieces · 3 articles · 1 post · 6 comments — Hacker News 6, Newswires 3, Mastodon 1Yesterday, 3 PM — 7 pieces · 1 article · 3 posts · 3 comments — Hacker News 4, X 2, Newswires 1Yesterday, 4 PM — 4 pieces · 4 comments — Hacker News 4Yesterday, 5 PM — quietYesterday, 6 PM — 1 piece · 1 comment — Hacker News 1Yesterday, 7 PM — 1 piece · 1 comment — Hacker News 1Yesterday, 8 PM — 2 pieces · 2 comments — Hacker News 2Yesterday, 9 PM — 2 pieces · 2 comments — Hacker News 2Yesterday, 10 PM — quietYesterday, 11 PM — 1 piece · 1 comment — Hacker News 1Today, 12 AM — 1 piece · 1 comment — Hacker News 1Today, 1 AM — 2 pieces · 2 comments — Hacker News 2Today, 2 AM — quietToday, 3 AM — quietToday, 4 AM — 3 pieces · 3 comments — Hacker News 3Today, 5 AM — quietToday, 6 AM — 2 pieces · 2 comments — Hacker News 2Today, 7 AM — 1 piece · 1 article — Newswires 1Today, 8 AM — quietToday, 9 AM — quietToday, 10 AM — 1 piece · 1 post — Hacker News 1Today, 11 AM — 1 piece · 1 post — Mastodon 1Today, 12 PM — 2 pieces · 2 comments — Hacker News 2Today, 1 PM — quietToday, 2 PM — 1 piece · 1 comment — Hacker News 1Today, 3 PM — 1 piece · 1 comment — Hacker News 1Today, 4 PM — quietToday, 5 PM — 2 pieces · 1 post · 1 comment — Hacker News 2Today, 6 PM — quietToday, 7 PM — 1 piece · 1 comment — Hacker News 1Today, 8 PM — quietToday, 9 PM — quietToday, 10 PM — quiet 12–4567
yesterdaytodaynow · 11:56 PM ET

What was reported 9 claims about this development

  1. first by TestingCatalog AI News, 1d ago · also Digital Trends, Pulse 2.0, iClarified, Constellation Research, Thurrott, RuntimeWire +6

    13 more headlines
  2. first by Anthropic, 1d ago · also Digit, Moneycontrol, Tech in Asia, Lenny's Newsletter, VentureBeat, Decrypt +5

    9 more headlines
  3. first by MacRumors, 1d ago · also MacRumors Forums

  4. first by Yahoo Finance, 1d ago · also The Verge

    1 more headline
  5. first by The Decoder, 1d ago · also ZDNET

    1 more headline
  6. first by qz.com, 1d ago · also The Decoder

    1 more headline
  7. first by theverge.com, 1d ago · also The Verge

  8. 2 outlets Claude Opus 5.5

    first by HN Best, 1d ago · also HN Frontpage

  9. first by PCWorld, 1d ago

All 7 developments of Anthropic launches Claude Opus 5.5, cutting price 40% while… →

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