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Claude Opus 5.5

Anthropic's model released on 25 September 2026: stronger than Fable on benchmarks and cheaper, with modes from Low to Max.

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36
mentions in the archive
1
central to an episode
10
episodes with a mention
3
fragments with a timecode
Sep 2026
first mention
Oct 2026
peak · 5 in a month
219
links to other entries

Trends

Claude Opus 5.5 in the author's trends

all 20 thoughts →

A link is an episode of the thought where Claude Opus 5.5 is central or discussed in depth, or an author's quote that names it. The bar counts the shared episodes; blue bars are the months they meet on the June 2024 — November 2026 scale.

12 of the author's 20 thoughts are linked to Claude Opus 5.5 · “Details” shows the shared episodes and a quote

Not linked · 8

thoughts whose episodes don't feature Claude Opus 5.5 centrally or in depth