The Hallway Track
Engineering Insights

Setting a custom price for a model in AgentsView

Simon Willison · Jun 09, 2026 · Engineering Insights

Claude Fable 5 launched, but isn't yet in AgentsView's pricing database, requiring a custom-price workaround.

“Claude Fable 5 came out today and wasn't yet included in the pricing database AgentsView uses.”

Simon Willison shares a TIL on manually setting a custom model price in AgentsView, a token-usage analytics tool by Wes McKinney, because the newly-released Claude Fable 5 wasn't yet in its pricing database. The notable signal is the offhand mention of Claude Fable 5's launch; the post itself is a minor tooling workaround with limited broader industry impact.

llm-pricing developer-tooling claude-fable-5 token-usage

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