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AI Model Reviews & Comparisons

Reviews and head-to-head comparisons of new AI models, closed and open, with benchmark results and plain explainers of what each model does well.

28 articles·Updated Oct 22, 2026
A compact memory-writer module with four harness connectors feeding in and a stack of memory record cards coming out, beside a similar reference module for comparison.

How does Hy-Memory-30B-A3B score against Claude Opus 5?

Tencent's Hy-Memory-30B-A3B memory writer averages 55.49 across four harnesses vs Claude Opus 5 at 54.62. Per-harness and per-benchmark scores inside.

Hy-Memory-30B-A3BTencent Hunyuan memory modelMem0 memory writer benchmark
A funnel-shaped diagram showing many blank document cards narrowing down through a selection gate into a small aligned stack, with one card highlighted in accent color, illustrating how an AI system filters retrieved sources down to the few it actually cites.

How Does ChatGPT Choose Which Sources to Cite?

How ChatGPT and Perplexity pick citations: query rewriting, crawler-fed retrieval, ranking by authority and freshness, and why only some pages get cited.

how does ChatGPT choose sourcesChatGPT citationshow Perplexity picks sources
A single predicted token tile sits before a vast grid of identical tiles, above which rises an intricate branching lattice structure built from the same repeated unit, illustrating how simple next-token prediction gives rise to complex emergent structure.

How Do LLMs Actually Work? Beyond 'Next-Token Predictor'

LLMs predict the next word, but that training objective builds real internal reasoning. Here's the proof, including a 13M-line Lean proof of Fermat's Last Theorem.

how do llms actually worknext-token predictorlarge language models explained