Skip to content
AI Wiki
CtrlK
All PagesCategoriesRecentTools
Log inSign up
Loading
AI WikiAI Wiki

The free encyclopedia of artificial intelligence. Explore 4,223 articles on AI concepts, models, tools, and applications.

Navigate

HomeAll PagesCategoriesRecent ChangesRandom ArticleRequested ArticlesWanted PagesStatisticsFree AI ToolsAI Limit Reset TrackerSearch

Popular

ChatGPTLarge Language ModelsDeep LearningNeural Networks

About

AboutPoliciesCorrectionsContent LicenseAI & Developer AccessPrivacy PolicyTerms of Service

AIWiki.ai ยท Text is available under CC BY 4.0; reuse welcome

RSS Feed

Open knowledge for everyone

Recent changes

RSS

4,223 articles updated. New pages start at v1; higher version numbers mean an existing article was revised. Page 39 of 43.

Thursday, July 23, 2026

  • Individual Fairnessv5Individual fairness is the principle in machine learning that any two individuals who are similar with respect to a task should receive similar algorithmic...
  • HumanEvalv11HumanEval is a benchmark for evaluating the code generation capabilities of large language models, consisting of 164 hand-written Python programming problems,...
  • InclusionAIv4AI research initiative / open-source AI lab Industry February 2025 Headquarters Zhengyu He (CTO of Ant Group), Richard Bian (product and growth lead), Wu...
  • Hyperparameterv12See also: Machine learning terms A hyperparameter is a configuration setting in a machine learning algorithm that is fixed by the practitioner before training...
  • Image-to-Text Modelsv6See also: Multimodal Models and Tasks Image-to-text models are machine learning systems that take an image as input and produce natural language text as...
  • Humanity's Last Examv10Humanity's Last Exam Abbreviation Multi-modal AI benchmark testing frontier knowledge across 100+ academic subjects, designed to be the most challenging...
  • Imbalanced Datasetv6An imbalanced dataset is a dataset used in machine learning where the classification categories are not approximately equally represented, so that one class...
  • Hyperplanev6A hyperplane is a flat, affine subspace of dimension n-1 embedded in an n-dimensional space, defined by the linear equation , where w is a normal vector and b...
  • Image-to-Image Modelsv5Image-to-image models (often shortened to img2img) are machine learning systems that take an input image and output a transformed version of it. The...
  • IFBenchv4IFBench (Instruction Following Benchmark) is an artificial intelligence benchmark that measures whether large language models can follow precise output...
  • Implicit Biasv7Implicit bias is an umbrella term that, in artificial intelligence and machine learning, refers to systematic tendencies operating below the surface of...
  • IT Management ChatGPT Pluginsv4IT management ChatGPT plugins were a group of third party extensions for ChatGPT focused on tasks that information technology teams handle every day, including...
  • Incompatibility of Fairness Metricsv5The incompatibility of fairness metrics (also called the impossibility theorem of fairness or fairness trade-offs) is the proven mathematical result that...
  • In-set conditionv4See also: Decision tree, Oblique condition, Threshold for decision trees, Categorical feature An in-set condition is a split condition used inside a decision...
  • Hierarchical Clusteringv7Hierarchical clustering is an unsupervised learning method that groups data into a tree of nested clusters, building the hierarchy by repeatedly merging the...
  • How to Steal ChatGPT-4, GPT-4 and other Proprietary LLMsv4See also: Guides and Security This article is a defensive and academic survey of how proprietary large language models (LLMs) such as GPT-4, ChatGPT, Claude,...
  • Gym (OpenAI Gym / Gymnasium)v8Gym, often written as OpenAI Gym, is an open source Python toolkit for developing and comparing reinforcement learning algorithms, originally released by...
  • Ground Truthv7Ground truth is verified, correct information that serves as the authoritative reference for training and evaluating machine learning models. In supervised...
  • Health ChatGPT Pluginsv4Health ChatGPT plugins were a now-deprecated category of third-party tools that extended ChatGPT with capabilities for tracking nutrition, exercise, hydration,...
  • HealthBench Hardv3HealthBench Hard Abbreviation A 1,000 example curated subset of HealthBench, selected because frontier models score poorly on it Release date 1.0 ...
  • Guidesv7See also: Terms, Models and Applications The Guides section of AI Wiki is a curated index of how-to articles, explainer pages, reading lists, and reference...
  • Hashingv6See also: Machine learning terms Hashing in machine learning is the use of hash functions to map data of arbitrary size (a word, a URL, a document, a vector)...
  • Heuristicv5A heuristic is a practical problem-solving approach that trades optimality, completeness, accuracy, or precision for speed, producing a good-enough answer when...
  • HealthBenchv5--- Full name HealthBench Description May 12, 2025 (paper May 13, 2025) Latest version Rahul K. Arora, Jason Wei, Rebecca Soskin Hicks, Preston...
  • How to Pressure LLMs for Better Outputv5See also: Prompt engineering, Chain-of-thought prompting, LLM anxiety, and Large language model Pressuring large language models (LLMs) is a family of prompt...
  • Hidden Layerv10See also: neural network, input layer, output layer, activation function A hidden layer is a layer of artificial neurons in a neural network that sits between...
  • Hinge Lossv7Hinge loss is the margin-based loss function defined as max(0, 1 - y f(x)), used to train support vector machines (SVMs) and other maximum-margin classifiers,...
  • Healthv5See also: Health ChatGPT Plugins AI in healthcare is the use of artificial intelligence, and especially machine learning, to diagnose disease, discover drugs,...
  • HellaSwagv9HellaSwag is a commonsense reasoning benchmark for language models, introduced by Rowan Zellers, Ari Holtzman, Yonatan Bisk, Ali Farhadi, and Yejin Choi in the...
  • Group Attribution Biasv6Group attribution bias is the tendency to assume that what is true of one member of a group is true of the entire group, or that a group's collective decision...
  • How to Prevent OpenAI and Google From Training Their LLMs on Your Website's Datav4See also: Guides You can stop OpenAI, Google, Anthropic, and most other major AI companies from using your website to train large language models (LLMs) by...
  • Hallucinationv8Hallucination in artificial intelligence is the generation of output that is fluent, confident, and plausible but factually incorrect, fabricated, or not...
  • Holdout datav5See also: Machine learning terms Holdout data is a portion of a labeled dataset that is deliberately kept out of training so it can be used later to evaluate...
  • Grok 3 Jailbreakv4See also: Artificial intelligence terms, Prompt injection, LLM jailbreak, AI safety. Grok 3 jailbreak is the umbrella term for a class of reported...
  • GeoAIv4GeoAI, short for geospatial artificial intelligence, is the application of artificial intelligence, especially machine learning and deep learning, to...
  • Greedy Policyv6In reinforcement learning, a greedy policy is a decision rule that, in every state, selects the action with the highest estimated value, formally the action...
  • Gradient boosted (decision) trees (GBT)v7See also: Machine learning terms, Gradient boosting Gradient boosted decision trees (GBT, also written GBDT, GBM, or GBRT) is an ensemble method that builds a...
  • Gradientv6In machine learning, the gradient is the vector of partial derivatives of a loss function with respect to every model parameter, and it points in the direction...
  • Generative Modelv8See also: Machine learning terms, Discriminative model A generative model is a class of statistical and machine learning model that learns the joint...
  • Graphv4See also: Machine learning terms In machine learning the word graph has two unrelated meanings. The first is a graph as a data structure: a set of nodes...
  • GeoBenchv4Geospatial Benchmarks Collection Description June 2023 (GEO-Bench v1) Latest variant Alexandre Lacoste et al. (GEO-Bench), Muhammad Sohail Danish et al....
  • Gini Impurityv6See also: Machine learning terms Gini impurity is the probability that a randomly chosen element from a dataset would be incorrectly classified if it were...
  • Graph Executionv7Graph execution is a computation paradigm in machine learning frameworks where mathematical operations are organized into a directed acyclic graph (DAG) before...
  • Gradient Boostingv10See also: Machine learning terms Gradient boosting is an ensemble machine learning technique that builds a predictive model by combining many weak learners,...
  • Grokv11Grok is a family of generative artificial intelligence chatbots and large language models (LLMs) built by xAI, the company founded by Elon Musk. First launched...
  • Graph Machine Learning Modelsv4See also: Graph Neural Network, Deep Learning, and Multimodal Models. Graph machine learning models are neural networks designed to operate on data structured...
  • Geography ChatGPT Pluginsv4See also: ChatGPT Plugins, ChatGPT Plugin Categories and Geography Geography ChatGPT Plugins were the subset of third party plugins published in the ChatGPT...
  • Generatorv7A generator is a neural network within a generative adversarial network (GAN) that learns to produce synthetic data samples from random noise. It maps a point...
  • Gradient Descentv10Gradient descent is a first-order iterative optimization algorithm that minimizes a differentiable loss function by repeatedly stepping in the direction of the...
  • Gradient clippingv6Gradient clipping is a training technique that caps the magnitude of gradient values before they update model weights, preventing the excessively large...
  • Fully Connected Layerv6A fully connected layer (also called a dense layer or linear layer) is a layer in an artificial neural network in which every input value connects to every...
  • GPT APIv6The GPT API is the public HTTP interface that OpenAI exposes for programmatic access to its hosted language, vision, audio, image, and video models. The phrase...
  • GPT-4v16GPT-4 (Generative Pre-trained Transformer 4) is a large language model developed by OpenAI and released on March 14, 2023. It was the fourth main entry in the...
  • GPT Finder ๐Ÿ”v7--- Information GPT Finder ๐Ÿ” Platform GPT Store Model Productivity Description gptfinder.co (Jesse Lau / jesselau76) OpenAI URL 15,000+[5] ...
  • Frontier modelsv7Frontier models are the most advanced artificial intelligence models that represent the cutting edge of AI capabilities at any given time. These highly capable...
  • GANv7GAN stands for generative adversarial network, a class of deep learning generative models in which two neural networks are trained against each other: a...
  • GPT Customizer, File Finder & JSON Action Creatorv6--- Information GPT Customizer, File Finder & JSON Action Creator Platform GPT Store Model Programming Description webcafesoftware.com (Webcafe...
  • Full Softmaxv7Full softmax (also called the standard softmax or exact softmax) is the softmax computation that calculates a probability for every possible output class in a...
  • GPQA Diamondv7GPQA Diamond is the 198-question hardest subset of the Graduate-Level Google-Proof Q&A Benchmark (GPQA), a set of PhD-level multiple-choice questions in...
  • GPT-3v13GPT-3 (Generative Pre-Trained Transformer 3) is a 175-billion-parameter large language model developed by OpenAI and released as a beta API on June 11, 2020,...
  • GPQAv8GPQA (Graduate-Level Google-Proof Q&A) is a benchmark of 448 expert-written multiple-choice questions in biology, physics, and chemistry, designed to test...
  • FrontierMathv7FrontierMath: A Benchmark for Evaluating Advanced Mathematical Reasoning in AI Abbreviation A benchmark of research-level mathematics problems designed to...
  • GPT-2v11GPT-2 is a 1.5 billion parameter language model released by OpenAI in February 2019, and the second model in the GPT (Generative Pre-trained Transformer)...
  • GPT Public Directoryv6--- Information GPT Public Directory Platform GPT Store Model Productivity Description Geoffrey Robichaux OpenAI URL 10 November 2023 Free ...
  • GPT-1v10GPT-1 is the first model in the GPT (Generative Pre-trained Transformer) series, a 117-million-parameter, 12-layer decoder-only Transformer released by OpenAI...
  • GPT Detectorv5--- Information GPT Detector Platform GPT Store Model ?????? Description chatgptbuddy.com OpenAI URL 7K Web Browsing Yes Code Interpreter ...
  • GPT-Builders' Assistantv7--- Information GPT-Builders' Assistant Platform GPT Store Model Programming / Productivity Description gendojo.ai OpenAI URL 10,000 Web...
  • Feedback Loopv5See also: Machine learning terms A feedback loop in machine learning is a cycle in which a deployed model's predictions influence the real world, and the...
  • Few-Shot Learningv9See also: machine learning terms, one-shot learning, zero-shot learning, meta-learning Few-shot learning is a branch of machine learning in which a model...
  • Forget Gatev5The forget gate is a sigmoid layer inside a Long Short-Term Memory (LSTM) recurrent neural network that decides, element by element, how much of the previous...
  • Fox (benchmark)v8Fox is an evaluation suite for fine-grained, multi-page document understanding by large vision-language models. It was released in May 2024 alongside a model...
  • Finance ChatGPT Pluginsv4See also: ChatGPT Plugins, ChatGPT Plugin Categories and Finance Finance ChatGPT Plugins are a now-deprecated category of third-party extensions that, during...
  • Fine-tune ChatGPT with Perplexity, Burstiness, Professionalism, Randomness and Sentimentality Guidev4See also: Guides, ChatGPT Guides and Prompt Engineering Guides The perplexity, burstiness, professionalism, randomness, and sentimentality guide is a prompt...
  • Figure AIv15--- Private company Industry May 2022 Founder Sunnyvale, California, US Products Over $1 billion Series C at $39 billion post-money valuation...
  • Food ChatGPT Pluginsv4See also: ChatGPT Plugins, ChatGPT Plugin Categories and Food Food ChatGPT Plugins were the subset of third-party plugins published in the ChatGPT plugins...
  • AI in the food industryv3AI in the food industry refers to the application of artificial intelligence, machine learning, computer vision, and robotics across the food and beverage...
  • Feature Setv6See also: Feature, Feature Engineering, Feature Extraction, Feature Vector A feature set is the complete collection of input variables (features, attributes,...
  • Feature Extractionv6See also: Machine learning terms, Feature engineering, Dimension reduction Feature extraction is the process of transforming raw data into a smaller set of...
  • Feature Importancesv6Feature importances are numeric scores that quantify how much each input feature contributes to the predictions of a machine learning model. The three dominant...
  • Feature Vectorv9A feature vector is an n-dimensional, ordered list of numerical values that represents the measurable properties of an object, data point, or observation in a...
  • Fine Tuningv8Fine-tuning is a machine learning technique that takes a pre-trained model and further trains it on a smaller, task-specific dataset, adjusting the model's...
  • Fill-Mask Modelsv5See also: Natural Language Processing Models and Tasks Fill-mask models are language models trained with a masked language modeling (MLM) objective, in which a...
  • Foundation modelsv8See also: Large language model, Self-supervised learning, Transfer learning, Generative artificial intelligence A foundation model is a large machine learning...
  • Feedforward Neural Network (FFN)v12A feedforward neural network (FFN), also called a multilayer perceptron (MLP) when it has multiple layers, is a type of artificial neural network in which...
  • Feature Extraction Modelsv4Feature extraction models are machine learning systems that transform raw inputs such as text, images, or audio into dense numerical vectors known as...
  • Estimatorv5See also: Machine learning terms An estimator is a rule, function, or algorithm that takes observed data and produces a value intended to approximate some...
  • Examplev5In machine learning, an example is a single data point that a model trains on or makes a prediction about: in supervised settings it is a pair $(x, y)$ where...
  • Experimenter's Biasv5Experimenter's bias (also called the observer-expectancy effect, experimenter expectancy effect, or experimenter effect) is a type of cognitive bias in which a...
  • False Negative Ratev6The false negative rate (FNR), also known as the miss rate, is the proportion of actual positive instances that a model or test incorrectly classifies as...
  • False positivev8A false positive (FP), also called a Type I error or a false alarm, is an instance whose true label is negative but whose predicted label is positive: the...
  • Factorio Learning Environmentv4Factorio Learning Environment Abbreviation An open-ended evaluation framework that uses the industrial automation game Factorio to test long-horizon...
  • Feature Engineeringv8Feature engineering is the process of using domain knowledge to create, transform, and select features from raw data so that machine learning models can learn...
  • False negativev9A false negative (FN), also called a Type II error or a miss, is an instance whose true label is positive but that a classification model or test predicts as...
  • Fashion ChatGPT Pluginsv4See also: ChatGPT Plugins, ChatGPT Plugin Categories and Fashion Fashion ChatGPT Plugins were a small historical category of third-party plugins that connected...
  • Equalized Oddsv7Equalized odds is a group fairness criterion in machine learning that requires a classifier's true positive rate (TPR) and false positive rate (FPR) to be...
  • Fairness Metricv7A fairness metric is a quantitative, mathematical measure used to evaluate whether a machine learning model's predictions or decisions treat different...
  • False Positive Rate (FPR)v5The false positive rate (FPR) is the proportion of actual negative cases that a test, model, or decision process incorrectly classifies as positive, defined as...
  • Exploding Gradient Problemv12See also: Machine learning terms, Vanishing gradient problem, Gradient clipping, Backpropagation The exploding gradient problem is a training failure in deep...
  • Feature Crossv6See also: Machine learning terms, Feature engineering A feature cross (also called a crossed feature or feature interaction) is a synthetic feature created by...
  • Fairness Constraintv6A fairness constraint is an explicit mathematical condition imposed on a machine learning model during training, evaluation, or post-processing that forces its...
NewerPage 39 of 43Older