Introducing Claude Opus 5.5
Introducing Claude Opus 5.5 is Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads.. It is ranked #197 on the Dev Radar, in AI dev tools, first seen 1 h ago and shared in 1 post (18.9k views).
Introducing Claude Opus 5.5 \ Anthropic Skip to main content Skip to footer Try Claude Claude Opus 5.5 September 22, 2026 Scroll down We’re introducing Claude Opus 5.5, the first model in our new Claude 5.5 family. It performs at the level of Claude Fable 5.1 on most work and costs 40% less to run than Opus 5. Claude Opus 5.5 is our first release since we called for pacing the frontier . It was tested before release by external evaluators, including Frontier Design and METR . On our automated behavioral audit, the most comprehensive alignment test we run, Opus 5.5 is the strongest-performing model we’ve tested to date. It also comes with…
What people said about Introducing Claude Opus 5.5 on X
Love the tastefulness with which anthropic ships. Main reason I got excited about 'headless' for the web is that any given page could take whatever whimsical or unique shape you wanted. With AI, there's no excuse not to push the design frontier. This is @nextjs at its finest: http://anthropic.com/claude-opus-5-5
— @rauchg, 1 h ago · 379 likes · see the post
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Introducing Claude Opus 5.5 in numbers
- Rank on the Dev Radar: #197 of 2422
- Shared in 1 post by 1 account: @rauchg
- 18.9k views on those posts
- First seen 1 h ago, last shared 1 h ago
- Pricing seen by Jev: paid
- Market: AI dev tools
FAQ
What is Introducing Claude Opus 5.5?
Claude Opus 5.5 leads in agentic coding and knowledge work, and costs 40% less to run than Opus 5 on typical workloads. It was first shared on X 1 h ago and is ranked #197 on the Dev Radar.
Is Introducing Claude Opus 5.5 free?
It is a paid product.
Who shared Introducing Claude Opus 5.5?
1 account on X, including @rauchg, in 1 post totalling 18.9k views.
Every post is read and classified by Jev (TypeSafe): what it is, which market it belongs to, and whether the link is a real tool. 21.2k posts from 5k X accounts over the last 21 days, 2.4k tools, 12 markets. Collected every 5 minutes, fully re-ranked every hour — last update 2026-09-22 17:37 UTC. Full method.