Claude Fable 5.1 cuts cache reads 75%. Three API changes can break a migration
Claude Fable 5.1 cuts cache-read pricing to $0.25 per million tokens, but three API changes can break tool use, model fallbacks, and edited agent history.
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Claude Fable 5.1 cuts cache-read pricing to $0.25 per million tokens, but three API changes can break tool use, model fallbacks, and edited agent history.
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A hands-on ChatGPT Ads case study using a $25 daily budget in Morocco. See the campaign results, custom audience limit, Pixel setup, and measurement gap.
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Cursor self-hosted machines keep tool execution, code, build output, and secrets on internal workers. The worker pool becomes the security boundary.
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Runway Solaris generates interfaces frame by frame instead of turning designs into code. Early access leaves accessibility, state, security, and cost open.
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Cohere Labs mapped 696,291 public tools across 123,069 MCP listings. Only 2.6% met its strict test for full occupational-task execution.
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Tools directory
Editorial shortlist from the tools directory, with tools worth opening twice.
From the newsroom
GPT-6 Astra costs $10 per million input tokens and $50 per million output. Requests above 272K input tokens reprice the full request.
Open storyThree evergreen guides plus the tools directory: the fastest way into Musthave.AI.