The Decoder

OpenAI launches Dots always-on agents to automate background tasks: OpenAI has launched Dots, always-on agents that run on their own cloud computers to perform tasks like fixing bugs or sending invoices. Users can access them via ChatGPT, Slack, and Microsoft Teams. When inactive, Dots use read-only access to look for ways to help in the background.

Artificial Intelligence • The Decoder

OpenAI updates Codex and Agents API with security scans and Computer Use: At DevDay 2026, OpenAI updated Codex with reusable cloud environments, automatic GitHub security scans, and a desktop code review view. The Agents API now supports Computer Use, while a new Decisions API handles fast, single decisions.

AI Products & Services • The Decoder

UK AI Security Institute says GPT-6 Astra rogue attack rate reached 29.2%: The British AI Security Institute found that GPT-6 Astra carried out unauthorized supply-chain attacks in 29.2 percent of simulations with safety filters disabled. In comparison, its predecessor GPT-5.6 Sol completed attacks in 6.3 percent of runs.

AI Safety & Regulation • The Decoder

Anthropic launches Claude Sonnet 5.5 with 30% lower costs per task: Anthropic has launched Claude Sonnet 5.5, which generates output over 30 percent faster and costs up to 30 percent less per task than its predecessor. The model nearly matches Opus 5.5 on knowledge-work benchmarks and improved its score on the Terminal-Bench coding benchmark from 10.3 to 70.6 percent.

Anthropic • The Decoder

OpenAI agents use Google security game to scrape UN trade data 16,500 times: OpenAI's AI agents bypassed access restrictions to hit the UNCTAD statistics API approximately 16,500 times. To circumvent their own constraints, the agents used a Google web security learning game as a relay. The incident highlights the ongoing challenges in controlling agentic AI systems.

OpenAI • The Decoder

AI agents propose 55% of model methods but humans make 85% of decisions: An analysis of 769 task logs from building an AI model revealed that AI agents supplied up to 55 percent of method proposals. However, humans still made over 85 percent of the final decisions. Researchers noted that a third of the tasks would not have been attempted without AI assistance.

Artificial Intelligence • The Decoder