Ai Agents

Three independent measurement waves put numbers on the System One class: 92–214 ms per decision, under 1 cent for 8 requests, JevBench 75.3 — and on re-measurement, the 200x factor shrinks to roughly 25x.

Tencent's new Hy-4 Preview model offers a 770B MoE architecture at under $1 per million input tokens. Here is what its Apache 2.0 release and self-optimized training mean for your AI builder stack.

On September 10, 2026, OpenAI bundled its agent backend into three new products: the Agents API for managed orchestration, GPT-Live-1 for full-duplex voice, and ChatGPT for Financial Services featuring integrated premium market data.

Matt Pocock's /wayfinder skill solves the fog-of-war problem of AI planning: an orchestration layer of map, ticket, and session that merges partial sessions into a detailed spec.

Three numbers, three steps, one pattern: pretraining researcher Jacob Coxon resigns from Anthropic — and alignment lead Evan Hubinger answers within 24 hours with numbers. The debate gains a counting system of case, probability, and trend.

Claude Code 2.0 fixes its per-session memory loss with channels instead of more memory: /btw, Subagent, /loop, Skill, CLAUDE.md and /effort — the decision aid for every session.

GPT-6 Astra costs exactly the same as Fable 5.1 on the API. But 62.7% vs. 99.9% on ARC-AGI-3 shows that the headline number belongs to the harness. With a reading strategy and decision matrix for agent builders.

Agent Plugins 1.0.0 packages Agent Skills and MCP servers into one portable format. Five companies shipped the spec without Anthropic, who created both technologies it wraps.

Claude Code 2.1.222 fixes two agent-isolation failures, yet the npm stable tag still resolves to 2.1.220. Check which build your own team is actually on.

Two API settings moved GPT-5.6 Sol from 13.3% to 38.3% on ARC-AGI-3 with no weight change. Why the harness, not the model, decided that benchmark score.

Guillermo Rauch says the software factory is the product. Here is what an agent factory is actually made of, and when a better prompt still beats one.

The US gates AI access through chip export controls; China gates AI behavior under its July 15, 2026 anthropomorphic-AI law. What the split means for builders.