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Answer-first: Field-tested patterns for AI APIs in production: OAuth 2.1 agent identity, prompt versioning with CI gates, and an honest 2025 AI predictions scorecard. Running AI APIs in production for the past 18 months has produced three lessons that I did not find in any “getting started with LLMs” tutorial. They emerged from incidents, postmortems, and that specific kind of 2 AM Slack message where a word you never wanted to see — “silent,” as in “silent failure” — appears in a production context. ...

xAI retired Grok 3 and its entire legacy lineup — then launched Grok Build, a local-first coding agent where source code never leaves your machine. OpenAI ended its Azure exclusivity arrangement; GPT-5.5 is now available on AWS Bedrock. Anthropic closed a $1.5B JV with Blackstone, Goldman Sachs, and Hellman & Friedman to embed Claude directly inside financial institutions. The EU AI Act Omnibus extended high-risk deadlines — but the August 2026 transparency obligation is unchanged. Meta went two-track: open Llama 4 for the ecosystem, closed Muse Spark for itself. And in three days, Google I/O resets every AI roadmap on the planet. ...