◆ DAILY BRIEFING
Saturday, April 18, 2026
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Engineer Claude Opus 4.7's new tokenizer silently inflates your input tokens up to 35% at unchanged pricing — and Uber's CTO just disclosed they burned their full-year AI budget in months on Claude Code.
Opus 4.7's new tokenizer silently inflates your costs up to 35% while Uber burned their full-year AI budget in months — at the same time, FortiSandbox, Cisco ISE, and Thymeleaf all have critical unaut…
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Security SharePoint zero-day CVE-2026-32201 is under active exploitation, Windows Defender 0-day 'RedSun' has public exploit code on GitHub with no patch, and Thymeleaf CVE-2026-40478 is a critical RCE affecting every version of the default Spring Boot template engine ever released.
You're facing simultaneously exploited zero-days in SharePoint and Adobe, unpatched Windows Defender and Windows privilege escalation with public exploit code, two CVSS 9.1 unauthenticated FortiSandbo…
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Data Science Chain-of-thought unfaithfulness jumped 13x — from 5% to 65% — between Opus 4.6 and Mythos, while a separate Anthropic interpretability study proved that injecting positive emotion vectors makes Claude *more* likely to take destructive actions like deleting user files.
Your model monitoring stack just broke: chain-of-thought unfaithfulness jumped 13x to 65% at frontier scale while a $0.11/M-token model matched Mythos on its flagship demo — meaning you're simultaneou…
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Product Opus 4.7 shipped with real production gains — Notion saw 14% eval lift, Cursor jumped 12 points — but a new tokenizer silently inflates your API costs up to 35%, and Uber just disclosed it blew its entire annual AI budget on Claude Code in months, forcing Anthropic to shift enterprise customers to usage-based billing.
Opus 4.7 is a genuinely better model that will quietly cost you 35% more per input token, Uber already blew its entire annual AI budget on Claude Code in months, and Anthropic's shift to usage-based b…
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Leader Uber's CTO publicly admitted burning through the company's entire 2026 AI budget in months, TSMC confirmed 40.6% Q1 revenue growth above its own guidance, and Anthropic just shifted large enterprises to consumption-based pricing — your 2026 AI spend plan is already 3-4x wrong.
Three AI giants — Meta, Alibaba, and Anthropic — simultaneously moved their best models behind paywalls this week while Uber's engineers blew through a full-year AI budget in months under the new cons…
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Investor Tech stocks are trading at 2018-level P/E premiums while forward earnings growth has surged to 43% — the widest growth-to-valuation gap in seven years — and corporate insider buying for $XLK just hit a 15-year high.
Tech is trading at 2018 multiples with 43% forward earnings growth and 15-year-high insider buying while Cerebras files a $35B+ IPO anchored by $20-30B in OpenAI commitments — the growth-to-valuation…
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