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 #10149 on the AI Radar, in Frontier models, first seen 45 days ago and shared in 3 posts (101.3k 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…
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Introducing Claude Opus 5.5 in numbers
- Rank on the AI Radar: #10149 of 10453
- Shared in 3 posts by 3 accounts: @Persona_IP
- 101.3k views on those posts
- First seen 45 days ago, last shared 39 days ago
- Pricing seen by AGK Intelligence: paid
- Market: Frontier models
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 45 days ago and is ranked #10149 on the AI Radar.
Is Introducing Claude Opus 5.5 free?
It is a paid product.
Who shared Introducing Claude Opus 5.5?
3 accounts on X, including @Persona_IP, in 3 posts totalling 101.3k views.
Every post is read and classified by AGK Intelligence: what it is, which market it belongs to, and whether the link is a real tool. 65.2k posts from 5k X accounts over the last 14 days, 10.5k tools, 19 markets. New posts are collected several times an hour and the full ranking is recomputed every hour — last update 2026-11-06 20:49 UTC. Full method.