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AlphaEvolve evolved two novel game theory algorithms - VAD-CFR and SHOR-PSRO - that outperform human-designed baselines across 11 games, using mechanisms no researcher would have designed.
OpenAI's Codex CLI 0.105.0 adds voice dictation, a theme picker, idle-sleep prevention, customizable Plan Mode, and a ground-up rebuild of the multi-agent system with configurable depth and custom roles.
A 38-researcher red-teaming study deployed five autonomous AI agents with email, shell access, and persistent memory in a live environment. In two weeks, one destroyed its own mail server, two got stuck in a 9-day infinite loop, and another leaked SSNs because you said 'forward' instead of 'share.'
xAI's Grok 4.20 replaces the single-model approach with four specialized AI agents - Grok, Harper, Benjamin, and Lucas - that reason in parallel, fact-check each other, and synthesize answers collaboratively.
Compare the top AI agent frameworks of 2026: LangGraph, CrewAI, AutoGen, Agno, PydanticAI, Semantic Kernel, and more. Updated April 2026 with AutoGen maintenance mode warning.
