Thread

1. simonw · 1790621080 · focus · HN ↗

   Pelicans. Sonnet 5.5 has the same problem as Opus 5.5: on "max" thinking effort it burned through 128,000 thinking tokens (taking 15 minutes to do that) and ran out before it had produced the final SVG.

   <a href="https:&#x2F;&#x2F;tools.simonwillison.net&#x2F;markdown-svg-renderer?url=https%3A%2F%2Fgist.github.com%2Fsimonw%2F1d85a9be7f3ecce26e7f1569161a0d01" rel="nofollow">https:&#x2F;&#x2F;tools.simonwillison.net&#x2F;markdown-svg-renderer?url=ht...

   Here&#x27;s how the thinking effort levels compare:

     low
     27 input, 1,623 output, thinking_tokens: 0
     1.6284
     Duration: 10138ms (10s)
     
     medium
     27 input, 1,796 output, thinking_tokens: 0
     1.7914 cents
     Duration: 11266ms (11s)
   
     high
     27 input, 2,334 output, thinking_tokens: 745
     2.3394 cents
     Duration: 17376ms (17s)
   
     xhigh
     27 input, 5,730 output, thinking_tokens: 2535
     5.7354 cents
     Duration: 41882ms (41s)
   
     max (failed to return response)
     27 input, 128,000 output, thinking_tokens: 128000
     $1.28
     Duration: 940617ms (15m 40s)
   

   Low and medium both used 0 thinking tokens.

   1. dennisy · 1790630346 · focus · HN ↗

      Does anyone really still care about these pelicans?

      Any model release it’s the top comment, I do not understand why.

      1. simonw · 1790631645 · focus · HN ↗

         Mainly because they&#x27;re funny, but it&#x27;s also because I try pretty hard to make the comment more interesting than just &quot;here&#x27;s a pelican&quot;. In this case I used the pelicans to talk about the 128,000 token limit bug at &quot;max&quot; and share comparative pricing.

         In the GPT-6 comment I included full visual comparison grids: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=49805509#49806126">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=49805509#49806126

         For DeepSeek v4.1 Flash I identified that the OpenRouter reasoning levels are mapped to a smaller set of levels for that model: <a href="https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=49639090#49645591">https:&#x2F;&#x2F;news.ycombinator.com&#x2F;item?id=49639090#49645591

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