https://mattiaperetti.it/blog Senior backend engineer writing about backend architecture, application security, and the shift toward agentic AI systems. en-us undefined (Mattia Peretti) undefined (Mattia Peretti) Fri, 10 Jul 2026 00:00:00 GMT https://mattiaperetti.it/blog/gpt-5.6-announced https://mattiaperetti.it/blog/gpt-5.6-announced OpenAI's GPT-5.6 announcement is dense with benchmark numbers and efficiency claims. The company positions Sol as the flagship model, with Terra and Luna filling in for balanced and cost-efficient tiers. The through line is not just higher raw scores. It is capability per token and time to result across agentic workflows, coding, browsing, science, and cyber tasks, with repeated emphasis on lower cost and latency for comparable outcomes. Fri, 10 Jul 2026 00:00:00 GMT undefined (Mattia Peretti) aiopenai