Increasing AI capability by scaling up parameters is potentially less problematic than using architectures that obscure the model's reasoning process

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Google reported Agentic Video Understanding achieves up to 88% higher token efficiency and approximately 7% higher accuracy on large files

In Ballot Bench's House and Senate races, frontier artificial intelligence agents outperformed human election modelers while performing slightly worse than prediction markets

Thoughtful developed Ballot Bench, a benchmark evaluating nine frontier artificial intelligence agents forecasting the 2026 United States midterm elections

In Ballot Bench, each artificial intelligence agent received an isolated Modal sandbox, a $500 budget for paid news subscriptions and data, and seven days to complete forecasts

In Ballot Bench's Senate forecasting, Claude Fable 5.1 achieved the highest Brier score among artificial intelligence models while trailing human forecaster Nate Silver

In Ballot Bench, OpenAI's GPT-6.1 SOL aggregated election forecasts by analyzing the historical error shifts of human modelers over the decade prior to 2026

In Ballot Bench, Anthropic's Claude Opus 5.5 deployed approximately 170 to 180 sub-agents to parallelize state and ballot initiative polling research

Anthropic onboarded METR as its first independent AI safety evaluator with employee-level access

METR found that the pace of capability improvement for Anthropic AI models roughly doubled over the course of a year

METR received access to evaluate three unreleased Anthropic models trained since July 2026

Evolutionary fitness functions in biology act analogously to an artificial intelligence designer's overarching goals for an agent

CellFlow applies flow-matching generative modeling to latent representations to predict cell state trajectories resulting from biological perturbations

The ARC Institute hosted the Virtual Cell Challenge to benchmark machine learning methods on single-cell perturbation prediction tasks

When an expected reward is omitted, dopamine neurons show a reduction in baseline firing activity that mirrors a negative temporal difference error

Logistic regression baselines match or exceed deep neural networks in single-cell cell type classification accuracy within individual organs

In A. Harry Klopf's neuronal model of reinforcement learning, neurons form coalitions based on mutual reward benefit rather than classical Hebbian cell assemblies

In the 1950s, cybernetics originator Norbert Wiener referenced the Monkey's Paw story to illustrate the risks of unintended optimization outcomes

A. Harry Klopf hypothesized that biological intelligence emerges from individual neurons operating as reinforcement learning agents that reward and penalize one another

Traditional multi-objective optimization methods combine multiple objectives into a single value by computing a weighted sum across individual channels

Michael Littman conducted research applying game theoretic principles to multi-agent reinforcement learning systems