
Headline: Velocity, Reliability, and Cost Shape the AI Engineering Stack Software teams chased flashy demos until delivery schedules slipped, budgets ballooned, and fragile prototypes met the grind of production, and that is why GPT-5.5’s blend of faster intent parsing, sturdier coding support, and token-thrifty reasoning now lands as an operational thesis rather than a novelty. The model pushes agentic workflows










