Glossary · A-Z306 terms · 26 letters

All terms · A-Z

Every tracked term. Filter by letter below. Click a term for the 10-module detail page.

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2 terms
33 terms
Chips
A100

NVIDIA GPU · Ampere GA100 architecture · 2020.

Agents
A2A protocol

Agent2Agent, an open protocol for AI agents to discover and talk to other agents.

Concepts
AI Agent

An AI system that plans, uses tools, and takes multi-step actions to accomplish goals · not just a chat turn.

Concepts
AI Alignment

The research field focused on making AI systems pursue intended goals safely and reliably.

Economy
AI Bubble Index

BenchGecko's 0-1000% composite score measuring AI sector valuation vs fundamentals.

Economy
AI Capex

The capital expenditure AI labs and hyperscalers spend on chips, datacenters, and training clusters.

Companies
AI21 Labs

AI model lab · Tel Aviv, Israel · founded 2017.

People
Aidan Gomez(@aidangomez)

AI researcher.

Agents
Aider

Paul Gauthier's terminal-based git-aware AI pair programmer · commits with context of the whole repo.

Benchmarks
Aider polyglot

Aider polyglot · coding benchmark tracked on BenchGecko.

Companies
Alibaba (Qwen)

AI model lab · Hangzhou, China · founded 1999.

Concepts
ALiBi(ALiBi)

Attention with Linear Biases · position encoding via attention-score penalties instead of positional embeddings.

Companies
Alphabet (Google)

big tech · Mountain View, CA, USA · founded 1998.

Companies
Amazon (AWS)

big tech · Seattle, WA, USA · founded 1994.

Companies
AMD

semiconductor · Santa Clara, CA, USA · founded 1969.

Chips
AMD MI400

AMD's Instinct MI400 series of data-center GPUs, planned for 2026 with HBM4 memory.

People
Andrej Karpathy(@karpathy)

AI researcher.

Benchmarks
ANLI

ANLI · knowledge benchmark tracked on BenchGecko.

Companies
Anthropic

AI model lab · San Francisco, CA, USA · founded 2021.

Companies
Anyscale

AI compute infrastructure · San Francisco, CA, USA · founded 2019.

Companies
Anysphere (Cursor)

AI developer tools · San Francisco, CA, USA · founded 2022.

Benchmarks
APEX-Agents

APEX-Agents · agentic benchmark tracked on BenchGecko.

Companies
Applied Digital

energy · Dallas, TX, USA · founded 2001.

Pricing
Arbitrage (AI Pricing)

Running the same open-weight model on multiple providers to exploit price differences · up to 30× savings.

Benchmarks
ARC AI2

ARC AI2 · knowledge benchmark tracked on BenchGecko.

Benchmarks
ARC-AGI

ARC-AGI · reasoning benchmark tracked on BenchGecko.

Benchmarks
ARC-AGI-2

ARC-AGI-2 · reasoning benchmark tracked on BenchGecko.

Economy
ARR(ARR)

Annualized Recurring Revenue · the standardized metric SaaS and AI companies report to investors.

People
Arthur Mensch(@arthurmensch)

AI researcher.

Chips
Ascend 910C

Huawei custom AI chip (ASIC) · Da Vinci architecture · 2024.

Companies
ASML

chip foundry · Veldhoven, Netherlands · founded 1984.

Agents
AutoGen

AutoGen is Microsoft's open-source framework for building multi-agent AI applications.

Agents
AutoGPT

AutoGPT is the open-source autonomous agent that kicked off the entire category.

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Pricing
Cache Hit Rate

The fraction of input tokens served from provider-side prompt cache · directly impacts effective pricing.

Pricing
Cache Pricing

Discounted input tokens for prompts the provider has already processed · 50-90% off on repeat prefix.

Benchmarks
CadEval

CadEval · coding benchmark tracked on BenchGecko.

Companies
Cerebras Systems

semiconductor · Sunnyvale, CA, USA · founded 2016.

Concepts
Chain of Thought(CoT)

A prompting technique (and trained behavior) where the model shows step-by-step reasoning before the final answer.

Companies
Character.AI

AI application · Menlo Park, CA, USA · founded 2021.

Benchmarks
Chatbot Arena

Crowdsourced head-to-head AI model comparison · humans vote on anonymous outputs and Elo ratings rank the models.

Benchmarks
Chess Puzzles

Chess Puzzles · knowledge benchmark tracked on BenchGecko.

Model families
Claude

Anthropic's large language model family, first released in 2023, sold in several capability tiers.

Agents
Claude Code

Claude Code is a command-line coding agent built by Anthropic that lives in your terminal and edits files, runs commands, and searches your codebase with direct Claude model access.

People
Clem Delangue(@ClementDelangue)

AI researcher.

Agents
Cline

Open-source VSCode coding agent · forked as Roo Code and Continue, built on user-supplied API keys.

Agents
Codex CLI

OpenAI's open-source terminal coding agent · runs GPT models against your repo from the shell.

Agents
Cody

Sourcegraph's enterprise coding AI · deep codebase context from graph-aware search.

Companies
Cohere

AI model lab · Toronto, Canada · founded 2019.

Agents
Computer use

Agents that operate a computer interface: read the screen, move the mouse, click and type.

Concepts
Context Window

The maximum number of tokens a model can process in one request · input prompt plus generated output.

Agents
Continue

Continue is an open-source IDE extension for building your own AI code assistant with custom models, context providers, and slash commands.

Agents
Continue.dev

Open-source IDE-native coding assistant · inline autocomplete + chat across VSCode and JetBrains.

Companies
Copy.ai

AI application · San Francisco, CA, USA · founded 2020.

Companies
CoreWeave

AI compute infrastructure · Livingston, NJ, USA · founded 2017.

Memory
CoWoS-L

TSMC's next-gen advanced packaging · enables 12+ HBM stacks and multi-die GPUs · used on B300, MI400.

Memory
CoWoS-S

TSMC's previous-gen advanced packaging · used on H100 / A100 · being phased out for CoWoS-L.

Agents
CrewAI

CrewAI is a framework for orchestrating autonomous AI agents with roles, goals, and tools.

Companies
Crusoe Energy

energy · Denver, CO, USA · founded 2018.

Systems
CS-3

Cerebras AI system · 1 × Cerebras WSE-3.

Benchmarks
CSQA2

CSQA2 · knowledge benchmark tracked on BenchGecko.

Agents
Cursor

Cursor is a fork of VS Code rebuilt around an AI pair programmer.

Economy
Customer Concentration

% of revenue from top customers · AI labs often 40-60% from top 10 vs SaaS median <20%.

Benchmarks
Cybench

Cybench · coding benchmark tracked on BenchGecko.

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Chips
Gaudi 3

Intel custom AI chip (ASIC) · Heterogeneous MME + TPC architecture · 2024.

Chips
GB200

NVIDIA CPU and GPU superchip · Grace CPU + 2x B200 architecture · 2025.

Chips
GB300

NVIDIA CPU and GPU superchip · Grace CPU + 2x B300 architecture · 2025.

Memory
GDDR6X

GDDR memory · 2020 · 96 GB/s per device.

Memory
GDDR7

GDDR memory · 2025 · 192 GB/s per device.

Compliance
GDPR(GDPR)

EU data protection regulation · imposes strict consent, residency, and rights requirements on any service processing EU data.

Model families
Gemini

Google DeepMind's multimodal model family, announced in December 2023, in Pro, Flash and lighter tiers.

Benchmarks
GeoBench

GeoBench · knowledge benchmark tracked on BenchGecko.

People
Georgi Gerganov(@ggerganov)

AI researcher.

Agents
GitHub Copilot

GitHub Copilot is the AI pair programmer from GitHub and Microsoft.

Companies
Glean

AI application · Palo Alto, CA, USA · founded 2019.

Foundry
GlobalFoundries

Chip foundry · United States · founded 2009.

Economy
GMV(GMV)

Gross Merchandise Value · total dollar value of transactions · used for marketplace AI products.

Companies
Google DeepMind

AI model lab · London, UK · founded 2010.

Agents
Goose

Block's open-source local coding agent · MCP-first, offline-capable, built by the company behind Square.

Benchmarks
GPQA diamond

GPQA diamond · knowledge benchmark tracked on BenchGecko.

Model families
GPT(GPT)

OpenAI's Generative Pre-trained Transformer model family, from GPT-1 (2018) to the current generation.

Agents
GPT Engineer

GPT Engineer generates an entire codebase from a natural language spec.

Chips
GPU

A GPU is the accelerator that trains and serves most large AI models.

Companies
Groq

semiconductor · Mountain View, CA, USA · founded 2016.

Economy
Gross Margin (AI Labs)

Revenue minus inference + training + data costs · AI labs at 50-70%, vs pure SaaS at 80-90%.

Concepts
Grounding

Tethering AI responses to verified source material · RAG, citations, tool calls, retrieval.

Benchmarks
GSM8K

GSM8K · math benchmark tracked on BenchGecko.

Benchmarks
GSO-Bench

GSO-Bench · coding benchmark tracked on BenchGecko.

Concepts
Guardrails

Runtime filters and policies enforced around model input and output · the safety layer outside the model itself.

People
Guillaume Lample(@GusLample)

AI researcher.

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Chips
Maia 100

Microsoft custom AI chip (ASIC) · Custom tensor core + MX format architecture · 2024.

Systems
Maia 100 Rack

Microsoft AI system · 32 × Microsoft Maia 100.

Concepts
Mamba

State-space sequence model · linear-time alternative to transformers · foundation of Mamba-2, Jamba, Zamba models.

Agents
Manus

Butterfly Effect Inc's autonomous general-purpose agent · went viral March 2025 for multi-step research and web automation.

Companies
Marvell Technology

semiconductor · Wilmington, DE, USA · founded 1995.

Benchmarks
MATH level 5

MATH level 5 · math benchmark tracked on BenchGecko.

Concepts
MCP(MCP)

Model Context Protocol · an open standard for connecting AI models to external tools, data, and services.

Companies
Meta AI

AI model lab · Menlo Park, CA, USA · founded 2013.

Companies
Meta Platforms

big tech · Menlo Park, CA, USA · founded 2004.

Agents
MetaGPT

MetaGPT models a software company with product managers, architects, engineers and QAs.

Chips
MI300X

AMD GPU · CDNA 3 chiplet architecture · 2023.

Chips
MI325X

AMD GPU · CDNA 3 chiplet architecture · 2025.

Systems
MI325X Platform

AMD AI system · 8 × AMD MI325X.

Chips
MI355X

AMD GPU · CDNA 4 architecture · 2025.

Companies
Micron Technology

memory chip · Boise, ID, USA · founded 1978.

Companies
Microsoft

big tech · Redmond, WA, USA · founded 1975.

Chips
Microsoft Maia 200

Microsoft's successor to the Maia 100 AI accelerator.

Companies
Midjourney

AI application · San Francisco, CA, USA · founded 2021.

Companies
MiniMax

AI model lab · Shanghai, China · founded 2021.

Model families
Mistral

Models from the Paris-based lab Mistral AI, founded in 2023: open-weight and commercial models.

Companies
Mistral AI

AI model lab · Paris, France · founded 2023.

Concepts
Mixture of Experts(MoE)

A model architecture that routes each token to a subset of specialized experts, so only a fraction of parameters activate per forward pass.

Benchmarks
MMLU

MMLU · knowledge benchmark tracked on BenchGecko.

Benchmarks
MMLU Pro

A harder version of MMLU with 10 answer choices, filtered noise, and more reasoning-heavy questions.

Companies
Modal

AI compute infrastructure · New York, NY, USA · founded 2021.

Concepts
Model drift

When a model served under the same name starts behaving differently over time.

Companies
Moonshot AI

AI model lab · Beijing, China · founded 2023.

Chips
MTIA v2

Meta custom AI chip (ASIC) · PE grid + SRAM architecture · 2024.

Pricing
Multi-Modal Pricing

Per-token pricing differs by input type · text tokens vs image tokens vs audio seconds vs video frames.

Concepts
Multimodal

Models that process and generate multiple types of data · text, image, audio, video.

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People
Sam Altman(@sama)

AI researcher.

Companies
SambaNova Systems

semiconductor · Palo Alto, CA, USA · founded 2017.

Companies
Samsung Electronics

memory chip · Suwon, South Korea · founded 1969.

Foundry
Samsung Foundry

Chip foundry · South Korea · founded 2017.

Companies
Scale AI

AI developer tools · San Francisco, CA, USA · founded 2016.

Concepts
Scaling Laws

The empirical relationship between compute, data, parameters, and model capability.

Benchmarks
ScienceQA

ScienceQA · knowledge benchmark tracked on BenchGecko.

People
Simon Willison(@simonw)

AI researcher.

Benchmarks
SimpleBench

SimpleBench · reasoning benchmark tracked on BenchGecko.

Benchmarks
SimpleQA Verified

SimpleQA Verified · knowledge benchmark tracked on BenchGecko.

Companies
SK Hynix

memory chip · Icheon, South Korea · founded 1983.

Concepts
Sliding Window Attention

Attention pattern where each token attends only to a local window · used in Mistral, Gemma for long-context efficiency.

Foundry
SMIC

Chip foundry · China · founded 2000.

Agents
Smolagents

Smolagents is Hugging Face's minimalist agent library.

Companies
Snorkel AI

AI developer tools · Redwood City, CA, USA · founded 2019.

Compliance
SOC 2(SOC 2)

An audit framework certifying that a provider handles customer data with defined security controls.

Concepts
Speculative decoding

A faster way to generate text: a small model drafts tokens and the large model verifies them in one pass.

Pricing
Spot Pricing

Spot pricing sells preemptible GPU capacity at 60-90% off on-demand · you can be evicted with 2 minutes notice but prices are dramatically lower.

Companies
Stability AI

AI model lab · London, UK · founded 2021.

Companies
StepFun

AI model lab · Shanghai, China · founded 2023.

Concepts
Subagent

A delegated sub-task agent spawned by a parent orchestrator · each runs in isolated context with specialized tools.

Agents
SWE-agent

SWE-agent is the research agent from the Princeton NLP group behind SWE-bench.

Benchmarks
SWE-bench

The real-world coding benchmark · AI resolves actual GitHub issues in open-source Python repos.

Benchmarks
SWE-Bench verified

SWE-Bench verified · coding benchmark tracked on BenchGecko.

Agents
Sweep

Sweep is an AI junior developer that turns bug reports and feature requests into code changes as pull requests, running entirely from GitHub issues.

People
Swyx(@swyx)

AI researcher.

Companies
Synthesia

AI application · London, UK · founded 2017.

23 terms
Agents
Tabby

Self-hosted AI coding assistant · Copilot-style autocomplete you can run on your own GPU.

Concepts
Temperature

An inference parameter controlling output randomness · 0 = deterministic, higher = more varied.

Benchmarks
Terminal Bench

Terminal Bench · coding benchmark tracked on BenchGecko.

Concepts
Test-time compute

Extra computation a model spends while answering, for example reasoning tokens, to get better results.

Benchmarks
The Agent Company

The Agent Company · agentic benchmark tracked on BenchGecko.

Concepts
Throughput

Total tokens per second a serving cluster can handle across all concurrent requests.

Pricing
Tiered Pricing

Volume discounts at defined usage thresholds · $X/M tokens below 1B tokens, $Y/M above.

Companies
Together AI

AI compute infrastructure · San Francisco, CA, USA · founded 2022.

Concepts
Tokenizer

The algorithm that splits text into tokens before a model reads it · BPE, SentencePiece, Tiktoken.

Pricing
Tokenizer tax

The extra tokens, and cost, needed to write the same text in some languages compared with English.

Concepts
Tokens

The fundamental units language models read and generate · roughly 3/4 of an English word per token.

Concepts
Tool Use

A model invoking external functions or APIs during generation · the foundation of AI agents.

Chips
TPU v5p

Google TPU · Matrix MXU + VPU architecture · 2024.

Systems
TPU v5p Pod

Google AI system · 8,960 × Google TPU v5p.

Chips
TPU v6e

Google TPU · Matrix MXU + VPU + SparseCore architecture · 2024.

Systems
TPU v6e Pod

Google AI system · 256 × Google TPU v6e.

Chips
TPU v7

Google TPU · Inference-first MXU architecture · 2025.

Chips
Trainium 3

AWS's third-generation Trainium AI training chip, announced at re:Invent 2024.

Chips
Trainium2

AWS custom AI chip (ASIC) · NeuronCore v3 architecture · 2024.

Concepts
Transformer

The neural network architecture (Vaswani et al., 2017) behind every modern large language model.

Benchmarks
TriviaQA

TriviaQA · knowledge benchmark tracked on BenchGecko.

Systems
Trn2 UltraServer

AWS AI system · 16 × AWS Trainium2.

Companies
TSMC

chip foundry · Hsinchu, Taiwan · founded 1987.

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