AI & Tools
Claude Opus 5 After Five Days: Experience and Criticism
Claude Opus 5 after five days: effectively tied in the Intelligence Index, a 50 percent hallucination rate and rank 5 in the blind user vote.
13 min read
Mijo Jurisic
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Claude Opus 5 after five days: effectively tied in the Intelligence Index, a 50 percent hallucination rate and rank 5 in the blind user vote.
Claude Opus 5 benchmarked: first place in the Intelligence Index with 61 points, half the Fable 5 price and the cost paradox of verbosity.