AI Coding Weekly

Model benchmarking

Methods and disputes over measuring AI model performance. Every AI Coding Weekly story on model benchmarking, newest first. 3 stories since October 2026.

  • Theo gave three models one bug, Sol's fix did not work

    Opus filed a PR, Muse pointed at someone else's existing patch, and Sol crashed on its own question tool before shipping a fix that failed.

    · Model and agent watch

  • Anthropic ships Haiku 5.5 at about 75% less to run

    Boris Cherny calls it a good Haiku and puts the gap at 10x, Theo found out from a screenshot.

    · Model and agent watch

  • Have the good opinion, not the loud one

    One email a day. Under three minutes. What working engineers found out about coding with AI.

  • BridgeMind turns down Theo's $10,000 NerfBench bet

    The fight over whether anyone can measure model nerfing ends with no transcripts and no bet.

    · The big disagreement

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