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The full multi-agent sqlite-utils 4.0rc2 development session cost an estimated $149.25 in unsubsidized API costs, which is why Simon Willison upgraded to the $200/month Claude Max plan ahead of the July 7th API-pricing cutover.

Running AgentsView inside the same Claude Code session, Simon Willison calculated the main session plus several review subagents totaled $149.25 at full API rates, prompting his upgrade to Claude Max $200/month before the 'Fablepocalypse' pricing change on July 7th. ✦ AI generated

Simon Willison · Simon Willison's Weblog · 2026-07-05 · original ↗

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For an estimated (unsubsidized) cost of $149.25 I upgraded to the Claude Max $200/month plan (I was previously on $100/month) to increase my Fable allowance for the remaining time until the July 7th Fablepocalypse, when even Claude Max subscribers will have to pay full API cost for the model.

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✳ AgentsView ✳ Claude Max ✳ Fablepocalypse

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