I know today is Mythos day but HOLY SHIT
Opus 4.8 just destroyed GPT-5.5 on PostTrainBench scoring almost 10% higher
12:19 PM · Jun 9, 2026 · 14.7K Views
Sentiment
Users praised Anthropic's Opus 4.8 for outperforming GPT-5.5 on PostTrainBench, viewing the result as a meaningful technical achievement.
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Lisan al Gaib@scaling01
Yeah, Anthropic is going to build ASI first
Lisan al Gaib@scaling01
I know today is Mythos day but HOLY SHIT
Opus 4.8 just destroyed GPT-5.5 on PostTrainBench scoring almost 10% higher
2hViews 8.1KLikes 204Bookmarks 14
Lisan al Gaib@scaling01
https://posttrainbench.com/
Lisan al Gaib@scaling01
I know today is Mythos day but HOLY SHIT
Opus 4.8 just destroyed GPT-5.5 on PostTrainBench scoring almost 10% higher
2hViews 2.4KLikes 7Bookmarks 0
Jeremy Mcnabb@Jeremy_AI_
@scaling01 Nothing is destroyed against the next
Love is Love
“All tread carefully”
Just in case forbidden from love
“I cannot comprehend this abyss”
Love is Love
No data suggests that love is ***nice**^
Kindness is all
❤️
2hViews 91
newaicourses@newaicourses
@scaling01 Anthropic is something indeed
2hViews 20
HairJordan@hAirJordan01
@scaling01 💯
2hViews 16
Rugbist@rugbist_
@scaling01 based on what exactly? opus jumping up in one benchmark is cool but ASI is a different planet entirely
2h