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OpenAI and Anthropic trade blows in AI price war: GPT-6 Sol/Luna vs Claude Opus 5.5

Anthropic releases Claude Opus 5.5 with a 20% price cut

1 Sep 22 1:00 PM · 1d ago · 1 article · 1 source · development 1 of 6

Opus 5.5 dropped from $5/$25 per million input/output tokens to $4/$20, with cache-read prices falling 60%, addressing complaints about Opus's communication style.

Anthropic releases Claude Opus 5.5 with a 20% price cut
x.com

“Anthropic released a new version of Opus 5.5 just 90 minutes before OpenAI's release, reflecting the intense competition between the two companies.”

TechCrunch

OpenAI Developer of GPT-6 Sol and LunaAnthropic Developer of Claude Opus 5.5Simon Willison Independent AI commentator/bloggerThariq Shihipar Commentator quoted on Opus 5.5Artificial Analysis Independent AI benchmarking firm

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

Peak 92 pieces in one hour at Sep 22, 1 PM; 148 pieces over 37 hours (65 articles · 27 posts · 56 comments) Sep 22, 11 AM — 1 piece · 1 article — Newswires 1Sep 22, 12 PM — quietSep 22, 1 PM — 92 pieces · 54 articles · 18 posts · 20 comments — Newswires 48, Hacker News 21, X 10, +4 moreSep 22, 2 PM — 11 pieces · 2 articles · 1 post · 8 comments — Hacker News 9, Google News 1, Newswires 1Sep 22, 3 PM — 8 pieces · 3 articles · 2 posts · 3 comments — Hacker News 3, Newswires 3, Mastodon 2Sep 22, 4 PM — 2 pieces · 2 comments — Hacker News 2Sep 22, 5 PM — 5 pieces · 5 comments — Hacker News 5Sep 22, 6 PM — 3 pieces · 1 article · 1 post · 1 comment — Hacker News 1, Mastodon 1, Newswires 1Sep 22, 7 PM — 2 pieces · 2 comments — Hacker News 2Sep 22, 8 PM — 1 piece · 1 comment — Hacker News 1Sep 22, 9 PM — quietSep 22, 10 PM — 2 pieces · 1 post · 1 comment — Bluesky 1, Hacker News 1Sep 22, 11 PM — 1 piece · 1 article — Newswires 1Yesterday, 12 AM — 1 piece · 1 comment — Hacker News 1Yesterday, 1 AM — 2 pieces · 1 post · 1 comment — Bluesky 1, Hacker News 1Yesterday, 2 AM — 4 pieces · 1 article · 2 posts · 1 comment — Hacker News 3, Newswires 1Yesterday, 3 AM — quietYesterday, 4 AM — 1 piece · 1 comment — Hacker News 1Yesterday, 5 AM — 2 pieces · 2 comments — Hacker News 2Yesterday, 6 AM — 3 pieces · 2 articles · 1 comment — Newswires 2, Hacker News 1Yesterday, 7 AM — 1 piece · 1 comment — Hacker News 1Yesterday, 8 AM — 1 piece · 1 comment — Hacker News 1Yesterday, 9 AM — quietYesterday, 10 AM — 1 piece · 1 comment — Hacker News 1Yesterday, 11 AM — 1 piece · 1 comment — Hacker News 1Yesterday, 12 PM — quietYesterday, 1 PM — quietYesterday, 2 PM — quietYesterday, 3 PM — quietYesterday, 4 PM — quietYesterday, 5 PM — quietYesterday, 6 PM — quietYesterday, 7 PM — 1 piece · 1 comment — Hacker News 1Yesterday, 8 PM — quietYesterday, 9 PM — quietYesterday, 10 PM — 1 piece · 1 comment — Hacker News 1Yesterday, 11 PM — 1 piece · 1 post — Mastodon 1 12–456
1Anthropic releases Claude Opus 5.5 with a…2–4Artificial Analysis benchmarks show mixed…5Willison's hands-on tests find Opus 5.5…6Coverage shifts focus to caching as the…
4 PMyesterday8 AM4 PMnow · 12:59 AM ET

Reported in the same hours no headline names this development itself — these 1 claim were published in its stretch

  1. 1 outlet Claude Opus 5.5 vs GPT-6 Sol: Which Is Better for Your Business?

    first by Unite.AI, 1d ago

All 6 developments of OpenAI and Anthropic trade blows in AI price war: GPT-6… →

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