> I suspect Claude might be faster and therefore cheaper, but maybe not by a lot.

While Jarred used Mythos-class model, some open weights, if they were as capable (certainly, GLM 5.2 looks the part), would have been way, way cheaper than professionals.

Approx costs:

  DeepSeek v4 Pro & Mimo v2.5 Pro   $3,426  ($2,567 / $600 / $259)
  Tencent HY3                       $3,892  ($1,180 / $552 / $2,160)
  GLM 5.2                          $30,016  ($8,260 / $3,036 / $18,720)
  Qwen 3.7 Max                     $37,925  ($14,750 / $5,175 / $18,000)
  Claude Opus 4.8 & GPT 5.5 xhigh  $82,750  ($29,500 / $17,250 / $36,000)

  5.9 billion uncached input tokens, 690 million output tokens, 72 billion cached input token reads.