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x313yesterday at 5:59 PM4 repliesview on HN

The numbers from Anthropic seem heavily cherry-picked, Artificial Analysis has Opus 5 at 1.25x the cost of Sonnet and 2x the cost of GPT 5.6 and K3.

https://artificialanalysis.ai/?cost=cost-per-task


Replies

SwellJoeyesterday at 7:25 PM

I don't understand how the K3 numbers keep coming out cheap for people. I recently started to add it to my security auditing benchmarks and found it was going to cost about twice as much as Opus 4.8. It blew through the $100 budget I'd set at like 11%. In the tasks I'm doing it seems crazy expensive because it chews so much, burning a tremendous amount of tokens.

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adgjlsfhk1yesterday at 8:42 PM

Testing at max effort likely doesn't produce optimal results.

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reinitctxoffsetyesterday at 6:41 PM

[flagged]

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