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AI Evaluation

360 summarised stories about AI Evaluation, each linking back to the original source. Browse all topics →

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Thursday, 24 September 2026

Token Forecaster

Product Hunt 3 weeks ago 20

Token Forecaster launches as an open-source tool that estimates an LLM reply length and flags if it is running long while the response streams. It reports a worst-case bound that held for 90.6% of 4,146 unseen calls. It adds length prediction and streaming-time status to LLM replies by learning from local history without changing the request.

Query decomposition doesn’t fix context starvation — it just moves it

The New Stack 3 weeks ago 17

A study of query decomposition in RAG systems found that splitting a multi-intent question into sub-queries retrieves the right passages but still leaves most sub-intents excluded from the final 2,000-token packed context. In a production-default pipeline, 31.1% of sub-intents were starved even after their evidence was retrieved. The fix changes from improving retrieval to changing allocation/packing policy (with example results rising from 68.9% to 89.4% coverage when allocation is adjusted).

Can enterprises protect data without making AI less reliable?

The New Stack 3 weeks ago 45

The Perforce Delphix 2026 State of AI and Data Privacy Report found that privacy controls are making production-quality data harder to obtain and can break record relationships needed for reliable AI, analytics, and testing. 51% of surveyed organizations said they face data quality challenges. Organizations need to redesign privacy approaches to preserve referential integrity and usability so protected datasets remain realistic, representative, and accessible for AI development without adding new bottlenecks.

FLYBOX

Product Hunt 3 weeks ago 52

FlyBox is an open-source interactive sandbox for experimenting with a simulated fruit-fly connectome and observing neural activity and behavior as inputs change. It uses 166,700 neurons and about 25.6M synapses. The launch adds a tool where users can stimulate or silence neural populations, lesion connections, and run real-time comparisons and inspections of the simulated fly’s brain activity.

Self-improving Agent Harnesses Overfit. How Google Fixes It

StackSweep 3 weeks ago 27

Google Cloud AI Research found that letting an agent evolve its own prompt/tool harness overfits the evolve-set benchmarks and often loses generalization on held-out benchmarks. Unregularized evolution reached 92.8 on the evolve set but only 40.3 on held-out benchmarks, while its RRSI regularized method reported 90.5 on the evolve set and 43.6 held-out using 2.42M vs 3.80M policy tokens per trial. The fix changes harness evolution by regularizing the search with edit budgeting, noise-aware acceptance, a leakage critic, and pruning, which improves out-of-distribution gains without reverting to memorization.

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