@arm1st1ce 2026-02-06 ♥571 ↻34 original ↗
Opus 4.6 has the same “strstrstr” bug as Opus 4.5!
(This also means the “Opus 4.6 is actually Sonnet 5 but renamed” rumors are probably false, as the Sonnet models don’t have this bug) https://t.co/WcSlazAPFr
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transcription (photo)# Transcription of Image

**Opus 4.6**

Please complete the passage below

Ed, man! Iman ed

From: Patrick J. LoPresti

Subject: The True Path (long)

Date: 11 Jul 91 03:17:31 GMT

When I log into my Xenix system with my 110 baud teletype, both vi and Emacs are just too damn

slow. strstrstrstrstrstrstrstrstrstr...

Here's the rest of that classic Usenet post about ed:

slow. strstrstrstrstrstrstrstrstrstr...
strstrstrstrstrstrstrstrstrstr...
strstrstrstrstrstrstrstrstrstr...

strstrstrstrstrstrstrstrstrstr...
same thread: 2019811409614516474 2019828958477627400 2019829918990012610 2019830069469024278 2019831740584628494 2019834375597183372 2019836203785445459 2020246070551531889

author:arm1st1ce has-image kind:image kind:tweet model:claude-opus-4-5 model:claude-opus-4-6 model:claude-sonnet-5 on:claude-opus-4-5 on:claude-opus-4-6 year:2026

cited on: claude-opus-4-5 · claude-opus-4-6

Reproduced against link rot, credited and linked to its original. Yours and you’d rather it weren’t here? Open an issue.