<?xml version="1.0" encoding="UTF-8"?><rss version="2.0"><channel><title>Token Lab</title><link>https://tokenlab.fyi/en/</link><description>AI learning articles and research tutorials</description><item><title>Industry AI briefing: monitoring actions and specifying behavior | Token Lab</title><link>https://tokenlab.fyi/en/company-frontier/2026-10-30/</link><guid>https://tokenlab.fyi/en/company-frontier/2026-10-30/</guid><pubDate>Fri, 30 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Self-improving agents must preserve authorization | Token Lab</title><link>https://tokenlab.fyi/en/frontier/authorization-after-learning/</link><guid>https://tokenlab.fyi/en/frontier/authorization-after-learning/</guid><pubDate>Fri, 30 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Industry AI briefing: restricted models, enterprise actions and local speech | Token Lab</title><link>https://tokenlab.fyi/en/company-frontier/2026-10-28/</link><guid>https://tokenlab.fyi/en/company-frontier/2026-10-28/</guid><pubDate>Wed, 28 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Self-improving agents: reward gains are not capability gains | Token Lab</title><link>https://tokenlab.fyi/en/frontier/adaptive-agent-evaluation/</link><guid>https://tokenlab.fyi/en/frontier/adaptive-agent-evaluation/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Robot recovery: when retrying helps, and when it hides failure | Token Lab</title><link>https://tokenlab.fyi/en/frontier/robot-recovery/</link><guid>https://tokenlab.fyi/en/frontier/robot-recovery/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Adam: persistent moments and bias correction | Token Lab</title><link>https://tokenlab.fyi/en/interview-code/adam/</link><guid>https://tokenlab.fyi/en/interview-code/adam/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Attention and Multi-Head Attention: write the shapes first | Token Lab</title><link>https://tokenlab.fyi/en/interview-code/attention/</link><guid>https://tokenlab.fyi/en/interview-code/attention/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Beam Search: global pruning, EOS and sequence scores | Token Lab</title><link>https://tokenlab.fyi/en/interview-code/beam-search/</link><guid>https://tokenlab.fyi/en/interview-code/beam-search/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>K-Means: assignment, centroid updates and empty clusters | Token Lab</title><link>https://tokenlab.fyi/en/interview-code/kmeans/</link><guid>https://tokenlab.fyi/en/interview-code/kmeans/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Softmax: stable probabilities and gradients | Token Lab</title><link>https://tokenlab.fyi/en/interview-code/softmax/</link><guid>https://tokenlab.fyi/en/interview-code/softmax/</guid><pubDate>Mon, 26 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Tool-using assistants: validate, execute and trace | Token Lab</title><link>https://tokenlab.fyi/en/applications/bounded-tools/</link><guid>https://tokenlab.fyi/en/applications/bounded-tools/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>File Q&amp;A: build an evidence-first document assistant | Token Lab</title><link>https://tokenlab.fyi/en/applications/document-evidence/</link><guid>https://tokenlab.fyi/en/applications/document-evidence/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Document extraction: JSON shape is not factual correctness | Token Lab</title><link>https://tokenlab.fyi/en/applications/validated-extraction/</link><guid>https://tokenlab.fyi/en/applications/validated-extraction/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>From LLM Calls to Agent Harnesses | Token Lab</title><link>https://tokenlab.fyi/en/frontier/agent-harness-engineering/</link><guid>https://tokenlab.fyi/en/frontier/agent-harness-engineering/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Diffusion language models: masking and iterative decoding | Token Lab</title><link>https://tokenlab.fyi/en/frontier/diffusion-language/</link><guid>https://tokenlab.fyi/en/frontier/diffusion-language/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Selective state spaces: Mamba and sequence memory | Token Lab</title><link>https://tokenlab.fyi/en/frontier/selective-state-spaces/</link><guid>https://tokenlab.fyi/en/frontier/selective-state-spaces/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Test-time compute: search, verification and budgets | Token Lab</title><link>https://tokenlab.fyi/en/frontier/test-time-compute/</link><guid>https://tokenlab.fyi/en/frontier/test-time-compute/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Adam: understand the update, not just the defaults | Token Lab</title><link>https://tokenlab.fyi/en/papers/adam/</link><guid>https://tokenlab.fyi/en/papers/adam/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>AdamW: where you apply weight decay matters | Token Lab</title><link>https://tokenlab.fyi/en/papers/adamw/</link><guid>https://tokenlab.fyi/en/papers/adamw/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Calibration: being right is different from knowing how often | Token Lab</title><link>https://tokenlab.fyi/en/papers/confidence-calibration/</link><guid>https://tokenlab.fyi/en/papers/confidence-calibration/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>CPC: learn by identifying the right future | Token Lab</title><link>https://tokenlab.fyi/en/papers/contrastive-predictive-coding/</link><guid>https://tokenlab.fyi/en/papers/contrastive-predictive-coding/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>Deep RL that Matters: a score is a distribution | Token Lab</title><link>https://tokenlab.fyi/en/papers/deep-rl-reproducibility/</link><guid>https://tokenlab.fyi/en/papers/deep-rl-reproducibility/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>DeepSeek-R1: rewards, reasoning and what the evidence establishes | Token Lab</title><link>https://tokenlab.fyi/en/papers/deepseek-r1/</link><guid>https://tokenlab.fyi/en/papers/deepseek-r1/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>DPO: preference learning through relative log probabilities | Token Lab</title><link>https://tokenlab.fyi/en/papers/dpo/</link><guid>https://tokenlab.fyi/en/papers/dpo/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>FlashAttention: optimize data movement before counting FLOPs | Token Lab</title><link>https://tokenlab.fyi/en/papers/flashattention/</link><guid>https://tokenlab.fyi/en/papers/flashattention/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>LLM-as-a-judge: evaluate the evaluator | Token Lab</title><link>https://tokenlab.fyi/en/papers/llm-as-a-judge/</link><guid>https://tokenlab.fyi/en/papers/llm-as-a-judge/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>LoRA: constrain the update, not the whole model | Token Lab</title><link>https://tokenlab.fyi/en/papers/lora/</link><guid>https://tokenlab.fyi/en/papers/lora/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>PPO: inspect the clipped objective one sample at a time | Token Lab</title><link>https://tokenlab.fyi/en/papers/ppo/</link><guid>https://tokenlab.fyi/en/papers/ppo/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>QLoRA: a memory budget is more than weight precision | Token Lab</title><link>https://tokenlab.fyi/en/papers/qlora/</link><guid>https://tokenlab.fyi/en/papers/qlora/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item><item><title>ReAct: close the loop between actions and observations | Token Lab</title><link>https://tokenlab.fyi/en/papers/react/</link><guid>https://tokenlab.fyi/en/papers/react/</guid><pubDate>Sun, 25 Oct 2026 00:00:00 GMT</pubDate></item></channel></rss>