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TILens turns technical updates into a focused daily brief: official releases, trusted reporting, and practitioner analysis, deduplicated and organized by topic.

29 Oct 2025 edition
Architecture AWS

What is USSD (and who cares)?

While many of us chase the latest tech trends, innovative builders in Sub-Saharan Africa are leveraging a nearly 30-year-old messaging protocol to process hundreds of billions in transactions annually, reminding us that…

Source: All Things Distributed werner@allthingsdistributed.com (Dr. Werner Vogels)
AI

gpt-oss-safeguard technical report

gpt-oss-safeguard-120b and gpt-oss-safeguard-20b are two open-weight reasoning models post-trained from the gpt-oss models and trained to reason from a provided policy in order to label content under that policy. In…

Source: OpenAI Blog
AI

Introducing gpt-oss-safeguard

OpenAI introduces gpt-oss-safeguard—open-weight reasoning models for safety classification that let developers apply and iterate on custom policies.

Source: OpenAI Blog