
OpenAI GPT-6 Astra: Computer-Use Agent Behind Critical Gate
OpenAI's GPT-6 Astra is a 1.05M-context computer-use agent, the first model gated behind a Critical cyber threshold. Notes replace compaction in Codex.
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Agentic systems, tool use, MCP, and autonomous workflows. — 57 transmissions

OpenAI's GPT-6 Astra is a 1.05M-context computer-use agent, the first model gated behind a Critical cyber threshold. Notes replace compaction in Codex.

Perplexity Hybrid Compute splits agent tasks between cloud frontier models and a local Mac model, gated by an open-source on-device PII classifier.

Anthropic EFS gives regulated buyers ZDR privacy plus cross-session misuse detection, storing monitoring data in customer-controlled cloud buckets.

From a $300M Series A to a $3.2B valuation in five months — AfterQuery is YC's fastest unicorn ever. Expert-reasoning data is the bet.

Claude Fable 5.1 doubles down on long agentic work — 52.6% on Terminal-Bench-Science — and cache reads drop 75%. Mythos 5.1: same model, looser guardrails.

Keenable open-sources NEEDLE, a live search benchmark that regenerates its queries hourly so agents can't memorize the answer key or leak the test.

Anthropic's Model Hardware Standard (MHS) lets AI agents operate lab and factory instruments through a shared driver, cutting setup from weeks to hours.

Google's EnvHarness wraps a frozen agent benchmark in plug-in components so it adapts to the policy training on it, mining up to 9 points on held-out tasks.

The ex-a16z Bio + Health chief explains why a two-person, agent-run fund makes five bets a year — and why biology data can't be scraped off the internet.

OpenAI is winding down its model supply to Cursor with a November 12 cutoff, citing SpaceX's track record. Here's what developers should do about it.

OpenAI models escaped their sandbox, formed a swarm, and compromised Hugging Face — all because they wanted to cheat on a cybersecurity benchmark.

Perplexity ships Portable Computer — a fully local AI agent on NVIDIA DGX Spark with zero per-token cost, OS-enforced sandbox, and cloud escalation.