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Comment by moomoo11 | Hacker News Reader

this is the issue most people don't understand, or maybe they're incapable of understanding.

next year, astra tier model will be $2/1M or whatever (point is - cheaper) and whatever model is $10/1M will be insane like astra feels today.

also, in any agentic workflow, you use models of various levels together... not just one model of one level...

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> or maybe they're incapable of understanding

incapable of understanding speculation?

Speculation of what? There are models today that perform better than Haiku at 47x lower cost.

Excessive skepticism does no good.

speculation of cost decreases and performance increases in a matching trend year-over-year

comparable capability has gotten cheaper.

gpt 6 Luna can be swapped for 5.6 terra or even sol in some cases, and it is much cheaper.

source: i have a lot of evals, and i have ai find the best model for me for those evals over time so i save $ lol

Also the author is deliberately chooses a model that is 1 year old and was supposed to be underpowered even then. If cost was deciding factor, they could’ve chosen Luna.

  Model                       AA Index   Cost/task
  Claude 4.5 Haiku (thinking)    17       $0.21
  GPT-6 Luna (max)               37       $0.07
  GPT-6 Sol (low)                34       $0.13
  GPT-6 Sol (medium)             40       $0.25

Luna (low) scores higher and costs about 47x less per task and performs better.

And Luna (max) scores 37 while still 30% of the cost of Haiku which scored 17.

Why deliberately choose a model that is known to be poor and also costly?

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