AI/Vector
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A daily AI newsletter with a financial-services lens. Curated, not aggregated. AI-drafted, human-accountable.
Latest issue · Today · The 30-second read
OpenAI's builder guide shows agents run cheaper with smarter model selection
OpenAI's agent cost guide. OpenAI's GPT-5.6 guide centres on matching model tier to task complexity, using the Responses API for agentic work.
Databricks routing cuts coding spend. Smart Routing classifies each coding task with a lightweight model first, delivering 35% cost savings in internal benchmarks.
Reasoning traces leak credentials. Frontier labs' encrypted thinking outputs were decoded by researchers, who pulled 62 API keys and 33 passwords from 7,000 public traces.
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