Kimi K3.1 Pro and DeepSeek Close In on the Frontier, So the Fight Moves to Agent Trust
With open models nearly at the top, the week's most discussed agent work was about sandboxes, offline training and verifiers. Open-weight models are closing in on the frontier rankings, so the week's attention moved to the layers that make agents trustworthy: isolated training environments, policy-enforced runtimes, formal verification and world-model checks on every action.
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