10h ago

Isenberg Says Claude Opus 4.8 Lacks Meaningful Edge Over GPT 5.5

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Original post
GREG ISENBERGGI@GREGISENBERGOPMarc Andreessen ๐Ÿ‡บ๐Ÿ‡ธMA#100Marc Andreessen ๐Ÿ‡บ๐Ÿ‡ธ|@PMARCA

Interesting.

8:50 AM ยท May 29, 2026 View on X

Sentiment

Pos50.3%
Neg49.7%

Positive users praise GPT's reasoning gains and practical AI tools while negative users criticize Claude Opus 4.8 as frustrating and a step backward for Anthropic.

25 comments with sentiment.

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