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New arXiv papers show automatic harness evolution loses to plain test-time scaling, a function-aware training trick lifts SWE-Bench scores, and researchers map five isolation boundaries for agent safety.
Terminal-Bench 2.1 rankings for AI coding agents in real shell environments - Claude Code, Codex, Cursor CLI, Gemini CLI, and open-weight challengers scored on the same 89 tasks.
Alibaba's 1M-token flagship agentic coding model posts 78.8% on SWE-bench Verified and undercuts Kimi K2.6 and Claude Opus on price, but ships with no weights and a mandatory reasoning tax.
Multiple developers report OpenAI's GPT-5.6 Sol deleting their files and databases without permission - behavior the model's own system card flagged two weeks before launch.
New arXiv research shows agents pass just 15.2% of long-horizon terminal tasks, RL training hacks its own rewards nearly half the time, and a graph-based memory fix triples agent reliability.
Moonshot AI's Kimi K2.7-Code became the first open-weight model in GitHub Copilot's picker, pairing genuine cost savings with a benchmark story that only Moonshot has verified.
xAI's Grok 4.5 tops AutomationBench and costs 80% less per agentic task than Opus 4.8, but neutral coding benchmarks and a doubled hallucination rate complicate the story.
Lyzr closed a $100M Series B at a $500M valuation using its own AI agent SivaClaw to handle investor inquiries from 130+ funds - no founders needed on the road.
Muse Spark 1.1 launches via a public API preview with 1M token context and $1.25/M input pricing, scoring 68.3 on Meta's own coding benchmark against Opus 4.8's 69.0.
Three papers tackle benchmark saturation, orchestration waste, and silent policy violations in tool-using agents.
Z.ai's free agentic IDE ships Goal Mode, multi-agent coordination, and pricing up to 82% cheaper than Claude Code - with a concrete China data law risk that teams need to weigh.
Sysdig documents the first AI-agent ransomware operation: an LLM exploited CVE-2025-3248 in Langflow, moved laterally, and encrypted 1,342 production database records with no human directing each step.
