Claude Code v2.1.143 running Opus 4.7 with a 1M context window executes a Bash command to fetch data for 1350 Pokémon from the PokeAPI and filters names ending in 'aw' within 11 seconds
Direct prompts without tools gave wrong answers like Seadra.
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QUOTE POST
#1066Maksym Andriushchenko@MAKSYM_ANDR
omg, Opus 4.7 without tool use indeed fails on this one. the failure mode closely resembles the one with the seahorse emoji. remarkable!
(of course, this failure mode means that LLMs are stochastic parrots and AGI is postponed indefinitely :D)

8:54 AM · May 18, 2026 · 1.2K Views