AI Weekly — 2026/04/10–04/17 | Opus 4.7 Goes Wide, but the Toolchain Is the Real Battleground

One-line summary: Anthropic releases Opus 4.7 to all API users, while OpenAI pushes Codex toward general-purpose ubiquity — the real competition has shifted from "whose model is stronger" to "whose toolchain can get enterprises to production fastest." Model Release Week: The Different Bets of Opus 4.7 and Codex The Economist reports this week that Anthropic and OpenAI are diverging on frontier model access strategies. Against this backdrop, the strategic differences in their simultaneous product