Claude Opus 5 now available on AI Gateway

Ordered by publication time. The first one is marked first; anything flagged near-identical shares almost the same wording, which usually means the same press release rather than separate reporting. That is a measurement — a SimHash distance of at most 10 on the headline and excerpt — not an accusation.

1. 24 Jul 2026, 00:00 UTCVendorVercel Changelogfirst

   Claude Opus 5 now available on AI Gateway

   vercel.com

2. 24 Jul 2026, 16:40 UTCVendorGitHub Changelog+17h

   Claude Opus 5 is now available in GitHub Copilot

   Claude Opus 5, Anthropic’s newest Opus model, is now available in GitHub Copilot. It is designed for complex, long-running coding tasks that require careful reasoning, effective tool use, and reliable… The post Claude Opus 5 is now available in GitHub Copilot appeared first on The…

   github.blog

3. 24 Jul 2026, 23:48 UTCCommunitySimon Willison+24h

   Introducing Claude Opus 5

   Introducing Claude Opus 5 I've been offline kayaking with sea otters for much of today so I haven't had a chance to put Anthropic's new model Claude Opus 5 through its paces yet. The buzz is positive, and Anthropic's description of it as a "thoughtful and proactive model that comes close to the…

   simonwillison.net