Cerillion Blog

The Cerillion Customer Forum returned for 2026, bringing together customers and colleagues for two days of knowledge sharing, product innovation and collaboration. With discussions spanning AI, digital transformation, operational excellence and the future of BSS/OSS, this year's event gave our customer community a valuable opportunity to share experiences and help shape the Cerillion product roadmap.

Telecom operators are finally putting hard numbers against their AI investments, with some targeting billions of euros in additional revenues and savings. But calculating what AI is actually worth is far from straightforward. Is AI really delivering the returns being promised, and how should operators measure its true value?

The biggest AI model isn’t always the best one for the job. As AI usage scales and inference costs mount, could specialised models provide a more cost-effective, sovereign foundation for an AI-native telecom stack – and how can operators orchestrate the right model for each task?

Wi-Fi carries a huge proportion of the data we consume every day, but it is often overlooked as telcos invest billions in fibre, 5G and spectrum. Are operators neglecting the network their customers actually use the most?